Model 6530 Three-Phase Power Analyzer User’s Manual

Model 6530
Three-Phase
Power Analyzer
User’s Manual
While every precaution has been exercised in the compilation of this document to
ensure the accuracy of its contents, Magtrol, Inc. assumes no responsibility for errors
or omissions. Additionally, no liability is assumed for any damages that may result
from the use of the information contained within this publication.
COPYRIGHT
Copyright ©2001-2003 Magtrol, Inc. All rights reserved.
Copying or reproduction of all or any part of the contents of this manual without the
express permission of Magtrol is strictly prohibited.
TRADEMARKS
LabVIEW™ is a trademark of National Instruments Corporation.
National Instruments™ is a trademark of National Instruments Corporation.
Windows® is a registered trademark of Microsoft Corporation.
1st Edition, Rev. D – September 2003
Safety Precautions
STOP
1. Make sure that all Magtrol dynamometers and electronic products are earth-grounded, to ensure
personal safety and proper operation.
2. Securely ground the 6530 Power Analyzer case by connecting a good earth ground at the
ground stud located on the rear panel of the unit. Use a number 12 AWG, or larger wire.
3. Check line voltage before operating.
4. Make sure that dynamometers and motors under test are equipped with appropriate safety
guards.
i
Revisions To This Manual
The contents of this manual are subject to change without prior notice. Should revisions be necessary, updates to all
Magtrol User’s Manuals can be found at Magtrol’s web site at www.magtrol.com/support/manuals.htm.
Please compare the date of this manual with the revision date on the web site, then refer to the manual’s Table of
Revisions for any changes/updates that have been made since this edition.
REVISION DATE
1st Edition, Revision D – September 2003
TABLE OF REVISIONS
Date
Change
Section(s)
09/30/03 1st Edition, Rev. D
Edition
Correction: Line voltage - no setup required.
3.1.1
06/19/03 1st Edition, Rev. C
Added configuration commands IS and IC to star t/clear average mode.
5.6.1
06/19/03 1st Edition, Rev. C
Added data output command OAVE to retrieve displayed values.
5.6.2
06/19/02 1st Edition, Rev. B
Added analog output option information to data sheet.
1.3
05/20/02 1st Edition, Rev. A
Changed mV/A to A/mV in External Sensor Scale Factor Setup Menu graphic
3.3.3.2
05/20/02 1st Edition, Rev. A
Updated units and value range of SE1m2<terminator> command code
5.6.1
11/26/01 1st Edition
Updated step 13 (setting amp range) of basic calibration process.
6.4
11/26/01 1st Edition
Added "Frequency" to end of Data Position in OT Example.
5.4.1
11/26/01 1st Edition
Product is primarily a three-phase instrument. A separate unit, the 6510e, has
been developed for users who only require single-phase measurement
1.2
capabilities. The 6530 manual has been updated to reflect this product change 1.3
and a 6510e manual has been created.
11/05/01 Preliminar y Manual Updated values of MFm<terminator> command code.
ii
5.6.1
Table of Contents
SAFETY PRECAUTIONS ......................................................................................................................... i
REVISIONS TO THIS MANUAL ............................................................................................................... ii
REVISION DATE .................................................................................................................................................................ii
TABLE OF REVISIONS ......................................................................................................................................................ii
TABLE OF CONTENTS ......................................................................................................................... iii
TABLE OF FIGURES ......................................................................................................................................................... vi
PREFACE .............................................................................................................................................. vii
PURPOSE OF THIS MANUAL ........................................................................................................................................ vii
WHO SHOULD USE THIS MANUAL ............................................................................................................................. vii
MANUAL ORGANIZATION ............................................................................................................................................ vii
CONVENTIONS USED IN THIS MANUAL .................................................................................................................. viii
1. INTRODUCTION ................................................................................................................................ 1
1.1 UNPACKING YOUR 6530 POWER ANALYZER ....................................................................................................... 1
1.2 NEW FEATURES OF THE 6530 POWER ANALYZER .............................................................................................. 1
1.3 DATA SHEET ................................................................................................................................................................ 2
2. CONTROLS ........................................................................................................................................ 5
2.1 FRONT PANEL ............................................................................................................................................................. 5
2.2 FRONT PANEL CONTROLS AND BUTTONS .......................................................................................................... 5
2.2.1
Enabling Secondary Functions ........................................................................................................................ 6
2.2.2
Using Front Panel Controls and Buttons ......................................................................................................... 6
2.3 VACUUM FLUORESCENT DISPLAY (VFD) ............................................................................................................ 8
2.3.1
Contrast Settings .............................................................................................................................................. 8
2.3.2
Display Guide .................................................................................................................................................. 9
2.4 REAR PANEL ............................................................................................................................................................. 10
2.5 REAR PANEL INPUTS AND OUTPUTS .................................................................................................................. 10
3. INSTALLATION/CONFIGURATION ................................................................................................. 13
3.1 POWERING UP THE 6530 ......................................................................................................................................... 13
3.1.1
Line Voltage ................................................................................................................................................... 13
3.1.2
Self-Test ......................................................................................................................................................... 13
3.1.3
Main Menu .................................................................................................................................................... 14
3.2 PROTECTING YOUR 6530 ........................................................................................................................................ 15
3.2.1
Transient Overloads ....................................................................................................................................... 15
3.2.2
Current Overload ........................................................................................................................................... 15
3.2.3
Surge Protection ............................................................................................................................................. 15
3.2.4
Circuit Breakers ............................................................................................................................................. 16
3.3 TESTING INSTRUMENTATION SETUP .................................................................................................................. 17
3.3.1
Wiring Mode .................................................................................................................................................. 17
3.3.2
Measurement Filter ........................................................................................................................................ 23
3.3.3
External Sensor .............................................................................................................................................. 24
3.3.4
Amp Scaling .................................................................................................................................................. 26
3.3.5
Volts Scaling .................................................................................................................................................. 28
3.3.6
Phase Setup .................................................................................................................................................... 29
3.3.7
Special Functions ........................................................................................................................................... 30
iii
Table of Contents
Magtrol Model 6530 Three-Phase Power Analyzer
4. OPERATING PRINCIPLES............................................................................................................... 32
4.1 ANALOG PROCESSING ............................................................................................................................................ 32
4.1.1
Volts ............................................................................................................................................................... 32
4.1.2
Amps .............................................................................................................................................................. 33
4.1.3
External Shunt ............................................................................................................................................... 34
4.2 DIGITAL PROCESSING ............................................................................................................................................. 34
4.2.1
AC Details ...................................................................................................................................................... 35
4.2.2
DC Details ..................................................................................................................................................... 37
4.2.3
Round-Off Error ............................................................................................................................................ 39
4.3 MEASUREMENT MODES ........................................................................................................................................ 39
4.3.1
Peak ................................................................................................................................................................ 39
4.3.2
Peak Hold / Inrush Current ............................................................................................................................ 40
4.3.3
DC .................................................................................................................................................................. 40
4.3.4
RMS ............................................................................................................................................................... 41
4.3.5
Crest Factor .................................................................................................................................................... 41
4.4 MEASUREMENT METHODS ................................................................................................................................... 41
4.4.1
Cycle-by-Cycle Mode .................................................................................................................................... 41
4.4.2
Continuous Mode .......................................................................................................................................... 41
5. COMPUTER CONTROLLED OPERATION...................................................................................... 42
5.1 ABOUT THE GPIB INTERFACE ............................................................................................................................... 42
5.1.1
Installing the GPIB/IEEE-488 Connector Cable ........................................................................................... 42
5.1.2
Changing the GPIB Primary Address ............................................................................................................ 42
5.2 ABOUT THE RS-232 INTERFACE ............................................................................................................................ 43
5.2.1
Connection ..................................................................................................................................................... 43
5.2.2
Communication Parameters ........................................................................................................................... 44
5.2.3
Baud Rate ....................................................................................................................................................... 44
5.3 CHECKING THE 6530-TO-PC CONNECTION ........................................................................................................ 44
5.4 DATA FORMAT .......................................................................................................................................................... 45
5.4.1
OT Example ................................................................................................................................................... 45
5.4.2
OE Example ................................................................................................................................................... 46
5.4.3
OA/OV/OW/OF Example .............................................................................................................................. 46
5.5 PROGRAMMING ........................................................................................................................................................ 46
5.5.1
Data Termination Characters ......................................................................................................................... 46
5.6 6530 COMMUNICATION COMMANDS .................................................................................................................. 47
5.6.1
Configuration Commands .............................................................................................................................. 47
5.6.2
Data Output Commands ................................................................................................................................ 50
6. CALIBRATION .................................................................................................................................. 51
6.1
6.2
6.3
6.4
CLOSED-BOX CALIBRATION ................................................................................................................................. 51
CALIBRATION SCHEDULE ..................................................................................................................................... 51
CALIBRATION COMMANDS ................................................................................................................................... 51
BASIC CALIBRATION PROCESS ............................................................................................................................ 52
7. OPTIONAL FEATURES .................................................................................................................... 54
7.1 ANALOG OUTPUTS .................................................................................................................................................. 54
7.1.1
Specifications ................................................................................................................................................. 54
7.1.2
Channel Assignments .................................................................................................................................... 54
7.1.3
Hardware Connection .................................................................................................................................... 55
7.1.4
Software Configuration ................................................................................................................................. 55
7.1.5
Calibration ..................................................................................................................................................... 56
iv
Table of Contents
Magtrol Model 6530 Three-Phase Power Analyzer
8. TROUBLESHOOTING ...................................................................................................................... 58
APPENDIX A: SCHEMATICS ............................................................................................................... 59
A.1
A.2
A.3
A.4
A.5
A.6
A.7
MAIN BOARD - DSP, RAM, FLASH ........................................................................................................................ 59
MAIN BOARD - INPUT/OUTPUT, GPIB, RS-232 ................................................................................................... 60
MAIN BOARD - FPGA ............................................................................................................................................... 61
INPUT MODULE - CURRENT .................................................................................................................................. 62
INPUT MODULE - VOLTAGE ................................................................................................................................... 63
KEY PAD ..................................................................................................................................................................... 64
ANALOG OUTPUT .................................................................................................................................................... 65
GLOSSARY ........................................................................................................................................... 69
INDEX .................................................................................................................................................... 70
MAGTROL LIMITED WARRANTY ........................................................................................................ 72
v
Table of Contents
Magtrol Model 6530 Three-Phase Power Analyzer
TABLE OF FIGURES
CHAPTER 2
Figure 2–1
Figure 2–2
Figure 2–3
Figure 2–4
Figure 2–5
Figure 2–6
Figure 2–7
Front Panel ............................................................................................................................................. 5
Secondary Function Menu ..................................................................................................................... 6
Device Setup Menu ................................................................................................................................. 9
Rear Panel ............................................................................................................................................ 10
Input Module ........................................................................................................................................ 10
RS-232C Interface ................................................................................................................................ 11
GPIB/IEEE-488 Interface .................................................................................................................... 11
Figure 3–1
Figure 3–2
Figure 3–3
Figure 3–4
Figure 3–5
Figure 3–6
Figure 3–7
Figure 3–8
Figure 3–9
Figure 3-10
Figure 3–11
Figure 3–12
Figure 3–13
Figure 3–14
Figure 3–15
Figure 3–16
Figure 3–17
Figure 3–18
Figure 3–19
Figure 3–20
Figure 3–21
Figure 3–22
Figure 3–23
Figure 3–24
Figure 3–25
Figure 3–26
Figure 3–27
Figure 3–28
Figure 3–29
Program Download Display ................................................................................................................. 13
Title Display ......................................................................................................................................... 13
Revision Display ................................................................................................................................... 14
Phase Main Menu ................................................................................................................................. 14
Summation Main Menu ........................................................................................................................ 14
Custom Main Menu .............................................................................................................................. 15
Transient Voltage Suppression .............................................................................................................. 16
Single-Phase, Two-Wire Wiring Schematic .......................................................................................... 18
Single-Phase, Two-Wire Wiring Connection ........................................................................................ 18
Single-Phase, Three-Wire Wiring Schematic ........................................................................................ 19
Single-Phase, Three-Wire Wiring Connection ...................................................................................... 19
Three-Phase, Three-Wire Wiring Schematic ......................................................................................... 20
Three-Phase, Three-Wire Wiring Connection ....................................................................................... 20
Three-Phase, Four-Wire Wiring Schematic .......................................................................................... 21
Three-Phase, Four-Wire Wiring Connection ........................................................................................ 21
Three-Voltage, Three-Ampere Wiring Schematic .................................................................................. 22
Three-Voltage, Three-Ampere Wiring Connection ................................................................................ 22
Sensor Substitution Wiring Schematic .................................................................................................. 24
Sensor Substitution Wiring Connection ................................................................................................ 24
External Sensor Scale Factor Setup Menu ........................................................................................... 25
Current/Potential Transformer Connection .......................................................................................... 26
Amp Scaling Setup Menu ...................................................................................................................... 26
Amp/Volt Scaling Activated .................................................................................................................. 27
Volt Scaling Setup Menu ....................................................................................................................... 28
Cycle-by-Cycle Mode ........................................................................................................................... 29
Hold Mode ............................................................................................................................................ 30
Average Mode ....................................................................................................................................... 30
Peak Hold Clear Display ...................................................................................................................... 31
Custom Display .................................................................................................................................... 31
Figure 4-1
Figure 4–2
Figure 4–3
Peak Example ....................................................................................................................................... 39
Peak Hold/Inrush Current Example ..................................................................................................... 40
Crest Factor Example ........................................................................................................................... 41
Figure 5–1
Figure 5–2
Figure 5–3
Figure 5–4
Figure 5–5
GPIB Installation ................................................................................................................................. 42
GPIB Address Setup Menu ................................................................................................................... 43
RS-232 Interface ................................................................................................................................... 43
Cable Connection Using Null Modem ................................................................................................. 43
RS-232 Baud Rate Setup Menu ............................................................................................................ 44
Figure 6–1
Figure 6–2
Calibration/Verification Test Setup ...................................................................................................... 52
Calibration Mode Enabled ................................................................................................................... 52
Figure 7–1
Figure 7–2
Analog Output ...................................................................................................................................... 54
Analog Output Setup Menu .................................................................................................................. 55
CHAPTER 3
CHAPTER 4
CHAPTER 5
CHAPTER 6
CHAPTER 7
vi
Preface
PURPOSE OF THIS MANUAL
This manual contains all the information required for the installation and general use of the Model
6530 Power Analyzer. To achieve maximum capability and ensure proper use of the instrument,
please read this manual in its entirety before operating. Keep the manual in a safe place for quick
reference whenever a question should arise.
WHO SHOULD USE THIS MANUAL
This manual is intended for those operators who are planning to use the Model 6530 Power Analyzer
for power measurement purposes either as a stand-alone instrument or in conjunction with any
Magtrol Hysteresis, Eddy-Current or Powder Brake Dynamometer, any Magtrol Dynamometer
Controller and M-TEST Motor Testing Software.
MANUAL ORGANIZATION
This section gives an overview of the structure of the manual and the information contained within
it. Some information has been deliberately repeated in different sections of the document to minimize
cross-referencing and to facilitate understanding through reiteration.
The structure of the manual is as follows:
Chapter 1:
INTRODUCTION - Contains the technical data sheet for the 6530 Power Analyzer,
which describes the unit and provides its mechanical and electrical characteristics.
Chapter 2:
CONTROLS - Description of the elements located on the front and rear panels of
the unit.
Chapter 3:
INSTALLATION/CONFIGURATION - Provides information needed for setup of
the 6530 including wiring mode, measurement filter, external sensor, amp scaling
and volt scaling along with phase setup instructions and special functions available.
Chapter 4:
OPERATING PRINCIPLES - Information pertaining to theory of operation
including analog processing, digital processing, measurement modes and
measurement methods.
Chapter 5:
COMPUTER CONTROLLED OPERATION - How to run a test when the 6530 is
used with a PC. Includes information on IEEE-488 and RS-232 Interface, data
format, programming and command set.
Chapter 6:
CALIBRATION - Provides recommended calibration schedules along with stepby-step instructions for the calibration procedure.
Chapter 7:
OPTIONAL FEATURES - Provides information regarding various optional features
available with the 6530 including analog outputs.
Chapter 8:
TROUBLESHOOTING - Solutions to common problems encountered during setup
and testing.
Appendix A:
SCHEMATICS - For the main board, input modules, key pad and analog output.
Glossary:
List of abbreviations and terms used in this manual, along with their definitions.
vii
Preface
Magtrol Model 6530 Three-Phase Power Analyzer
CONVENTIONS USED IN THIS MANUAL
The following symbols and type styles may be used in this manual to highlight certain parts of the
text:
Note:
This is intended to draw the operator’s attention to complementary
information or advice relating to the subject being treated. It
introduces information enabling the correct and optimal functioning
of the product to be obtained.
CAUTION:
THIS
IS USED TO DRAW THE OPERATOR’S ATTENTION TO INFORMATION,
DIRECTIVES, PROCEDURES, ETC. WHICH, IF IGNORED, MAY RESULT IN DAMAGE
BEING CAUSED TO THE MATERIAL BEING USED.
THE
ASSOCIATED TEXT
DESCRIBES THE NECESSARY PRECAUTIONS TO TAKE AND THE CONSEQUENCES
THAT MAY ARISE IF THE PRECAUTIONS ARE IGNORED.
WARNING!
THIS INTRODUCES DIRECTIVES, PROCEDURES,
PRECAUTIONARY MEASURES, ETC. WHICH MUST BE
EXECUTED OR FOLLOWED WITH THE UTMOST CARE
AND ATTENTION, OTHERWISE THE PERSONAL
SAFETY OF THE OPERATOR OR THIRD PARTY MAY BE
PUT AT RISK. THE READER MUST ABSOLUTELY TAKE
NOTE OF THE ACCOMPANYING TEXT, AND ACT UPON
IT, BEFORE PROCEEDING FURTHER.
viii
1.1
UNPACKING YOUR 6530 POWER ANALYZER
Your 6530 Power Analyzer was packaged in reusable, shock resistant packing material that will
protect the instrument during normal handling.
1. Make sure the carton contains the following:
MODEL 6530
POWER ANALYZER
ENTER
USER MENU
DISPLAY
DC
RMS
PEAK-CF
DC
RMS
PEAK-CF
SOURCE
AVG
PEAK HOLD
AUTO
CYC-CONT
W-VA-PF
HOLD
AUTO
PHASE
CURRENT RANGE
SHIFT
VOLTAGE RANGE
6530 Three-Phase Power Analyzer
Line cord
Magtrol
User Manual
CD-Rom
Banana Jack Connectors (4 each per phase)
Isolated BNC Sensor
Connectors (1 each per phase)
2.
Inspect the contents for any evidence of damage in shipping. In the event of shipping damage,
immediately notify the carrier and Magtrol's Customer Service Department.
Note:
1.2
Calibration Certificate
Save all shipping cartons and packaging material for reuse when
returning the instrument for calibration or servicing.
NEW FEATURES OF THE 6530 POWER ANALYZER
Magtrol's new Model 6530 Power Analyzer is an upgraded, three-phase version of the 6510. The
new features that make the unit unique include:
•
•
•
•
Analog Outputs: Plug-in module that provides 12 channels of analog output corresponding
to volts, amps and watts.
Peak Hold: Allows the unit to store the highest value read since the last peak hold was
cleared. Values can include amps, watts and volts in any preferred combination.
Average: Will average the volts, amps and watts over the period that the average function
is enabled.
Custom Readout: Display can be configured to present data in any desired format.
1
GENERAL
INFORMATION
1. Introduction
Chapter 1 – Introduction
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4
GENERAL
INFORMATION
/RDERING)NFORMATION
2.1
FRONT PANEL
The front panel provides a power switch, sixteen control buttons and a Vacuum Fluorescent Display
(VFD).
MODEL 6530
POWER ANALYZER
ENTER
USER MENU
DISPLAY
DC
RMS
PEAK-CF
PHASE
DC
RMS
PEAK-CF
SOURCE
AVG
PEAK HOLD
AUTO
CYC-CONT
W-VA-PF
HOLD
AUTO
CURRENT RANGE
SHIFT
VOLTAGE RANGE
Figure 2–1 Front Panel
2.2
FRONT PANEL CONTROLS AND BUTTONS
The front panel controls and buttons, from left to right, are:
• Power switch
• Ten double-function control buttons:
•
•
Primary Function
Secondary Function
PHASE
T CURRENT RANGE
DISPLAY
S CURRENT RANGE
RMS (current)
AUTO CURRENT RANGE
T VOLTAGE RANGE
PEAK-CF (current)
S VOLTAGE RANGE
RMS (voltage)
AUTO VOLTAGE RANGE
PEAK-CF (voltage)
CYC-CONT
SOURCE
DC (current)
DC (voltage)
W-VA-PF
AVG
HOLD
PEAK HOLD
SHIFT - enables secondary functions printed in blue above control buttons
Five USER MENU buttons
• Left Arrow • Right Arrow • Up Arrow • Down Arrow • ENTER
5
GENERAL
INFORMATION
2. Controls
Chapter 2 – Controls
ENABLING SECONDARY FUNCTIONS
To enable the secondary function of the double-function control buttons:
1. Press the blue SHIFT button and release it. The word “SHIFT” appears in the display:
CURRENT
VOLTAGE
POWER/PF
Figure 2–2 Secondary Function Menu
2. Press any control button to enable the function shown in blue letters above the button.
2.2.2
USING FRONT PANEL CONTROLS AND BUTTONS
2.2.2.1
Controls/Single-Function Buttons
Button
To Use
Function
POWER
Press I to turn power ON Press O
to turn power OFF.
SHIFT
Press this button and release; then Enables the function written in blue above
control button.
press desired control button.
Turns power ON or OFF.
User Menu
ENTER
Press this button.
Enables/Disables USER MENU.
W
Press this button.
When USER MENU is enabled, toggles
between fields, selections or the digits in a
numerical value.
X
Press this button.
When USER MENU is enabled, toggles
between fields, selections or the digits in a
numerical value.
S
Press this button.
When USER MENU is enabled, toggles
between selections or increases the
selected digit of a numerical value.
T
Press this button.
When USER MENU is enabled, toggles
between selections or decreases the
selected digit of a numerical value.
6
GENERAL
INFORMATION
2.2.1
Magtrol Model 6530 Three-Phase Power Analyzer
Chapter 2 – Controls
Magtrol Model 6530 Three-Phase Power Analyzer
Double-Function Buttons
Button
To Use
Function
DISPLAY
Press SHIFT and release; then
press this button. (For fur ther
instruction, see Section 3.3.7.4 Custom Display.)
Shows custom display.
PHASE
Press this button.
Toggles through phase 1, 2, 3 and
summation.
DC
Press SHIFT and release; then
press this button.
Selects DC amps measurement.
RMS
Press SHIFT and release; then
press this button.
Selects RMS amps measurement.
Press SHIFT and release; then
press this button.
Selects displayed amps measurement.
Continue to press SHIFT then PEAK-CF
and the displayed values toggle through the
following:
• Axcf (amps crest factor readings)
• Ax~↑ (amps peak hold/inrush readings)
• Axpk (amps peak readings)
where x = phase being measured
Current
PEAK-CF
Current Range
T
Press this button.
Decrements amps range.
S
Press this button.
Increments amps range.
AUTO
Press this button.
Selects/deselects amps auto range.
Voltage
DC
Press SHIFT and release; then
press this button.
Selects DC voltage measurement.
RMS
Press SHIFT and release; then
press this button.
Selects RMS voltage measurement.
Press SHIFT and release; then
press this button.
Selects displayed voltage measurement.
Continue to press SHIFT then PEAK-CF
and the displayed values toggle through the
following:
• Vxcf (voltage crest factor readings)
• Vx~↑ (voltage peak hold/inrush readings)
• Vxpk (voltage peak readings)
where x = phase being measured
PEAK-CF
Voltage Range
T
Press this button.
Decrements voltage range.
S
Press this button.
Increments voltage range.
AUTO
Press this button.
Selects/deselects voltage auto range.
7
GENERAL
INFORMATION
2.2.2.2
Chapter 2 – Controls
Magtrol Model 6530 Three-Phase Power Analyzer
Function
SOURCE
Press SHIFT and release; then
press this button.
Selects the signal that the cycle-by-cycle
measurement will be synchronized with.
Continue to press SHIFT then SOURCE
and the source toggles through the
following:
• V1, V2, V3 (voltage input)
• A1, A2, A3 (amps input)
• EXT (external sync input)
• LINE (incoming AC line)
NOTE: Selecting SHIFT then SOURCE
will automatically switch unit to cycle-bycycle mode.
CYC-CONT
Press this button.
Selects continuous or cycle-by-cycle
measurement method.
AVG
Press SHIFT and release; then
press this button.
Enables averaging mode.
W-VA-PF
Press this button.
Selects what calculated value is to be
displayed.
Continue to press W-VA-PF and the
displayed values toggle through the
following:
• Wx↑ (inrush watts)
• Wx
(watts)
• VAx (Vrms x Arms)
• PFx (power factor)
where x = displayed phase
PEAK HOLD
Press SHIFT and release; then
press this button.
Resets peak hold/inrush values.
Press this button.
Holds displayed values until hold is pressed
again.
NOTE: All internal machine functions will
be halted except auto-ranging when the
HOLD feature is enabled.
HOLD
2.3
To Use
VACUUM FLUORESCENT DISPLAY (VFD)
The VFD provides information about the control functions, phase voltages and currents.
Top Row
2.3.1
Bottom Row
Current
Current Range
Voltage
Voltage Range
Power/PF
Source/Status
CONTRAST SETTINGS
The 6530 Power Analyzer is shipped with the Contrast Setting on low in order to prolong display
life. If it is necessary to increase the Contrast for improved readability, execute the following steps
using the USER MENU located on the front panel of the unit.
1. Press the ENTER button. The display should appear as follows.
8
GENERAL
INFORMATION
Button
Chapter 2 – Controls
Magtrol Model 6530 Three-Phase Power Analyzer
VOLTAGE
POWER/PF
DEVICE
SELECTIONS
Figure 2–3 Device Setup Menu
2. Press and buttons until "I/O" appears in the display.
3. Press ENTER button.
4. Press and buttons until "DISPLAY BRIGHTNESS" appears in the display.
5. Use the and buttons until desired brightness is reached.
6. Press ENTER button to return to main menu.
Note:
2.3.2
There are three settings available; low, medium and high. Make
sure the lowest possible setting is used to achieve desired result.
Using a setting higher than necessary may cause display segments
to burn-in over a period of time, resulting in uneven illumination
from segment to segment.
DISPLAY GUIDE
Following is a reference for symbols, abbreviations and messages that are used in the 6530.
Symbol/Abbreviation/Message
Meaning
SHIFT
Shift button was pressed
I/O ERROR
Command not recognized
V
Volts
A
Amps
W
Watts
PF
Power Factor
pk
Peak
cf
Crest Factor
1
Phase 1
2
Phase 2
3
Phase 3
À
Scaling function is activated
Average function is activated
O
Peak Hold/Inrush function is activated
Σ
Summation
↑
Peak Hold/Inrush
DC
~
RMS (AC+DC)
9
GENERAL
INFORMATION
CURRENT
Chapter 2 – Controls
REAR PANEL
GENERAL
INFORMATION
2.4
Magtrol Model 6530 Three-Phase Power Analyzer
The rear panel provides connectors and receptacles for connecting to appropriate equipment.
2
VOLTS
AMPS
V
VOLTS
AMPS
AV
20 A
MAX.
20 A
MAX.
±±
750 V
MAX.
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
20 A
MAX.
±±
±
1000 V
MAX.
A
N
A
L
O
G
A
±
±±
±
750 V
MAX.
3
O
U
T
P
U
T
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
5
AMPS
AV
V
750 V
MAX.
VOLTS
CAUTION: DOUBLE POLE FUSING
20VA 50/60Hz
EARTH
GROUND
EXT.
SYNC.
GPIB/IEEE-488
RS-232C
EXT.
SENSOR
±10 V
MAX.
MAGTROL INC.
1
120V UL/CSA 250mA 250V SB
240V IEC 160mA 250V T
FUSE (5x20mm)
4
6
7
Figure 2–4 Rear Panel
2.5
REAR PANEL INPUTS AND OUTPUTS
1 INPUT
MODULE
Contains the Voltage Input, Amps Input and External Sensor connectors
for each phase.
VOLTS
AMPS
750 V
MAX.
20 A
MAX.
V
1a
A
±
1b
±
1000 V
MAX.
1c
EXT.
SENSOR
±10 V
MAX.
Figure 2–5 Input Module
1a Voltage Input
Connect wires to measure voltage across the load (parallel).
CAUTION:
V OLTAGE
SHOULD NOT EXCEED 750 V AC/DC
(V) TO TERMINAL (±) AND 1000 V AC/DC
TERMINAL TO EARTH GROUND.
TERMINAL
1b Amps Input
Connect wires to measure amps through the load (series).
CAUTION:
1c External Sensor
A MPS SHOULD NOT EXCEED 20 A CONTINUOUS .
V OLTAGE SHOULD NOT EXCEED 1000 V AC/DC
TERMINAL TO GROUND.
Alternate amps input for current sensor or shunt.
CAUTION:
VOLTAGE SHOULD NOT EXCEED ±10 V AC/DC.
10
Chapter 2 – Controls
Magtrol Model 6530 Three-Phase Power Analyzer
OUTPUT
(optional)
3 EXT. SYNC.
Connects strip chart recorder or data acquisition system.
Provides 12 analog outputs, 3 for each phase and 3 for summation.
• Volts 1, 2, 3, Σ
• Amps 1, 2, 3, Σ
• Watts 1, 2, 3, Σ
±10 volts = range
See Section 7.1 – Analog Outputs for detailed information about this
option.
Provides alternate method to synchronize the power analyzer with the
measured signal in cycle-by-cycle mode.
CAUTION:
4 RS-232C
INPUT IS NOT ISOLATED FROM EARTH GROUND. EXT.
SYNC. SHOULD NOT EXCEED 0–5 V DC (TTL/
CMOS LEVELS).
Use this socket for RS-232 connector cable.
5
4
9
3
8
2
7
1.
2. RX
3. TX
4.
5. GND
1
6
6.
7.
8.
9.
Figure 2–6 RS-232C Interface
5 GPIB/
Use this socket for GPIB cable (meets IEEE-488 specifications).
IEEE-488
12
11
10
9
8
7
6
5
4
3
2
1
24
23
22
21
20 19
18
17
16
15
14
13
1. D1
2. D2
3. D3
4. D4
5. E01
6. DAV
7. NRFD
8. NDAC
9. IFC
10. SRQ
11. ATN
12. SHIELD
13. D5
14. D6
15. D7
16. D8
17. REN
18. DAV-COM
19. NRFD-COM
20. NDAC-COM
21. IFC-COM
22. SRQ-COM
23. ATN-COM
24. SIGNAL GROUND
Figure 2–7 GPIB/IEEE-488 Interface
11
GENERAL
INFORMATION
2 ANALOG
Chapter 2 – Controls
Magtrol Model 6530 Three-Phase Power Analyzer
Attach power cord here.
7 EARTH
Attach earth ground here.
GROUND
WARNING:
MAKE SURE THAT ALL MAGTROL
DYNAMOMETERS AND ELECTRONIC
PRODUCTS ARE EARTH-GROUNDED, TO
ENSURE PERSONAL SAFETY AND
PROPER OPERATION.
SECURELY
GROUND THE 6530 POWER ANALYZER
CASE BY CONNECTING A GOOD EARTH
GROUND AT THE GROUND STUD
LOCATED ON THE REAR PANEL OF THE
UNIT. USE A NUMBER 12 AWG, OR
LARGER WIRE.
STOP
12
GENERAL
INFORMATION
6 POWER
3. Installation/Configuration
Note:
3.1
Before installing the 6530, you should become familiar with the
front and rear panels, as outlined in Chapter 2 – Controls.
POWERING UP THE 6530
3.1.1
TO REDUCE THE RISK OF ELECTRIC SHOCK, MAKE
SURE THE 6530 IS EARTH GROUNDED BEFORE
STARTING!
LINE VOLTAGE
The 6530 will operate from 85 to 264 VAC on a 50/60 Hz line voltage.
3.1.2
SELF-TEST
After turning the power on to the 6530, the display panel will show all segments of the VFD (series
of rectangles), indicating that the 6530 is downloading the program.
CURRENT
VOLTAGE
POWER/PF
Figure 3–1 Program Download Display
When the program download is complete, the Title Display will appear.
CURRENT
VOLTAGE
Figure 3–2 Title Display
13
POWER/PF
SETUP
WARNING!
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
Then an additional display will appear indicating the version of your Magtrol 6530 Power Analyzer.
CURRENT
VOLTAGE
POWER/PF
Figure 3–3 Revision Display
MAIN MENU
When the 6530 is completely powered up and ready for use, the main menu will appear on the
display. The main menu is defined by the last configuration that was used. This could include one
of three different menus: phase, summation or custom.
The phase menu could be a representation of phase 1, 2 or 3 and will appear as follows.
CURRENT
VOLTAGE
POWER/PF
Figure 3–4 Phase Main Menu
The summation menu contains information pertaining to all 3 phases. The voltage value represents
an average of the 3 phases and the amps and watts values represent the sum of the phases.
CURRENT
VOLTAGE
Figure 3–5 Summation Main Menu
14
POWER/PF
SETUP
3.1.3
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
The custom menu can include up to 6 fields with selections dependent on the measurement mode.
CURRENT
VOLTAGE
POWER/PF
Figure 3–6 Custom Main Menu
SETUP
3.2
PROTECTING YOUR 6530
Before the 6530 is used for power measurement, guidelines regarding transient overloads, current
overload, surge protection and circuit breakers must be followed.
3.2.1
TRANSIENT OVERLOADS
Connect an appropriate transient suppressor in parallel with all inductive loads. Consult the suppressor
vendor's application literature for proper selection and sizing.
CAUTION:
DAMAGE TO THE 6530 CAN RESULT FROM EXCESSIVE VOLTAGE TRANSIENTS
GENERATED BY UNSUPPRESSED INDUCTIVE LOADS. THIS DAMAGE IS NOT
WITHIN THE SCOPE OF THE NORMAL INSTRUMENT SERVICE AND IS NOT
COVERED BY THE
3.2.2
MAGTROL WARRANTY.
CURRENT OVERLOAD
There are no fuses in the 6530 measuring circuits. Therefore, excessive current passed through the
amps terminals will cause excessive internal heating and possible unit damage.
CAUTION:
THIS OVERLOAD ABUSE IS NOT COVERED BY THE MAGTROL WARRANTY.
Know your load conditions and double check all connections. If an overload should occur,
immediately remove all power and locate and correct the problem before re-energizing your circuit.
If a circuit breaker is installed, it must be installed on the load side of the 6530 (downstream). This
will keep the low impedance of the input line connected to the 6530 for surge suppression. If the
line side must also contain a breaker, it should be delayed in operation to open after the load side
breaker has opened.
3.2.3
SURGE PROTECTION
Use Metal Oxide Varistors (MOV) or other equivalent transient suppressors connected between
lines at the load (across the load). These suppressors are an absolute necessity when inductive loads
are used. In three-phase systems, each load must have a suppressor.
15
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
VMOV > VLINE TO LINE
(LINE 1)
L1
VMOV >
1
3
V LINE TO LINE
(LINE 1)
L1
(LOAD)
MOV
(LOAD)
MOV
MOV
MOV
NEUTRAL
L2
L2
L3
DELTA CONNECTED
THREE-PHASE LOAD
WYE CONNECTED
THREE-PHASE LOAD
VMOV > VLINE TO LINE
(LINE)
LINE
HIGH
(LOAD)
MOV
LINE
LOW
SINGLE PHASE
TWO-WIRE LOAD
Figure 3–7 Transient Voltage Suppression
3.2.4
CIRCUIT BREAKERS
With the circuits described in Section 3.3.1.1 - Hardware Connections, use the 6530 remote voltage
sense by measuring the voltage at the load. This increases measurement accuracy by eliminating
line voltage drop from the power measurement. For safety, an overload circuit breaker removes all
load voltage during an over-current condition. The voltage sense lines are connected at the line side
of the circuit breaker to help prevent inductive transients from entering the 6530 as the circuit
breaker opens. Make sure that connections from the circuit breaker to the load are heavy conductors
and short as possible.
CAUTION:
IF A CIRCUIT BREAKER IS USED IN THE INPUT LINE TO THE 6530, A CIRCUIT
SHOULD BE USED THAT PREVENTS THE BREAKER FROM OPENING UNTIL AFTER
THE LOAD SIDE BREAKER HAS OPENED .
O THERWISE,
POTENTIALLY
DAMAGING INDUCTIVE TRANSIENTS CAN BE APPLIED TO THE 6530.
DAMAGE
CAUSED BY THESE TRANSIENTS ARE OUTSIDE THE SCOPE OF THE MAGTROL
WARRANTY.
16
SETUP
MOV
MOV
L3
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
3.3
TESTING INSTRUMENTATION SETUP
Before the 6530 can be utilized, it must be configured and connected to the devices intended for
power measurement.
3.3.1
WIRING MODE
The 6530 has the ability to support a combination of up to 3 phases, therefore, there are a number of
different ways in which the unit can be wired.
3.3.1.1
Hardware Connections
SETUP
The wiring mode selections include:
• 1-Phase, 2-Wire
• 1-Phase, 3-Wire
• 3-Phase, 3-Wire
• 3-Phase, 4-Wire
• 3-Volt, 3-Amp
The following pages provide more detail on the power measurement, as well as wiring connection
diagrams and schematics, of the different wiring modes.
Note:
Active Power is the sum of the instantaneous volts multiplied by
the instantaneous amps inputs.
Apparent Power is the product of volts root mean square and amps
root mean square.
17
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
1-Phase, 2-Wire
•
•
•
Measures single-phase power.
Can be wired on any input module.
The Power Factor is derived from the following equations:
Amps Σ = Ax, Volts Σ = Vx
Active Power = WØ
Apparent Power = VrmsØ × ArmsØ = VØ AØ
•
SETUP
Power Factor = WØ / VØ AØ
(Where Ø is the phase of operation)
Most commonly used for single phase AC and DC motor applications.
The following diagrams show the connections for a 1-Phase, 2-Wire measurement. Only one phase
has been shown for clarity, but any of the three phases may be used.
SOURCE
LOAD
V
±
V
A
SOURCE
±
LOAD
V
±
A
A
±
Ø1, Ø2, Ø3
Figure 3–8 Single-Phase, Two-Wire Wiring Schematic
VOLTS
AMPS
V
VOLTS
AMPS
AV
V
750 V
MAX.
20 A
MAX.
750 V
MAX.
20 A
MAX.
±±
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
A
N
A
L
O
G
A
750 V
MAX.
20 A
MAX.
±±
±
1000 V
MAX.
AMPS
±
±
±
VOLTS
AV
O
U
T
P
U
T
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
EXT.
SENSOR
±10 V
MAX.
CAUTION: DOUBLE POLE FUSING
20VA 50/60Hz
EARTH
GROUND
EXT.
SYNC.
GPIB/IEEE-488
RS-232C
120V UL/CSA 250mA 250V SB
240V IEC 160mA 250V T
FUSE (5x20mm)
MAGTROL INC.
EARTH
LOW
HIGH
CB
Figure 3–9 Single-Phase, Two-Wire Wiring Connection
18
LOAD
MOV
LINE
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
1-Phase, 3-Wire
•
•
•
Measures single-phase power.
Utilizes input modules one and three.
The Power Factor is derived from the following equations:
Amps Σ = (A1 + A3)/2, Volts Σ = (V1 + V3)/2
Active Power = ΣW = W1 + W3
Apparent Power = (Vrms1 × Arms1) + (Vrms3 × Arms3) = V1 A1 + V3 A3
The following diagrams show the connections for a 1-Phase, 3-Wire measurement. Notice that
only phase one and three are used.
SOURCE
A
LOAD
A1
±
V
L1
N
L2
V1
N
V
A
V
±
LOAD
SOURCE
A
±
±
±
±
±
V3
V
A3
Ø1
A
Ø3
±
N
CB
LOAD
L1
MOV
LOAD
Figure 3-10 Single-Phase, Three-Wire Wiring Schematic
MOV
L2
VOLTS
AMPS
V
VOLTS
AMPS
AV
V
750 V
MAX.
20 A
MAX.
750 V
MAX.
20 A
MAX.
±±
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
750 V
MAX.
20 A
MAX.
A
N
A
L
O
G
A
±±
±
1000 V
MAX.
AMPS
±
±
±
VOLTS
AV
O
U
T
P
U
T
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
EXT.
SENSOR
±10 V
MAX.
CAUTION: DOUBLE POLE FUSING
20VA 50/60Hz
EARTH
GROUND
EXT.
SYNC.
GPIB/IEEE-488
RS-232C
MAGTROL INC.
120V UL/CSA 250mA 250V SB
240V IEC 160mA 250V T
FUSE (5x20mm)
EARTH
Figure 3–11 Single-Phase, Three-Wire Wiring Connection
19
SETUP
Power Factor = ΣW/( V1 A1 + V3 A3)
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
3-Phase, 3-Wire
•
•
•
Measures three-phase power.
Utilizes input modules one and three.
The Power Factor is derived from the following equations:
Amps Σ = (A1 + A3)/2, Volts Σ = (V1 + V3)/2
Active Power = ΣW = W1 + W3
3
2
Apparent Power =
( (V
rms1
)
3
× A rms1 ) + (Vrms3 × A rms3 ) =
(V1 A 1 + V3 A 3 )
2
SETUP
/ 23 ( V1 A1 + V3 A3)
Power Factor = ΣW
The following diagrams show the connections for a 3-Phase, 3-Wire measurement. Notice that
only phase one and three are used.
SOURCE
A
LOAD
R
S
T
±
A1
V
R
V1
SOURCE
V
A
V
A
±
±
±
±
T
LOAD
±
S
±
V3
Ø1
V
Ø3
A3
A
±
Figure 3–12 Three-Phase, Three-Wire Wiring Schematic
LINE
Ø1
LOAD
MOV
Ø2
MOV
CB
LO
AD
AD
LO
Ø3
MOV
VOLTS
AMPS
V
VOLTS
AMPS
AV
V
750 V
MAX.
20 A
MAX.
750 V
MAX.
20 A
MAX.
±±
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
A
N
A
L
O
G
A
750 V
MAX.
20 A
MAX.
±±
±
1000 V
MAX.
AMPS
±
±
±
VOLTS
AV
O
U
T
P
U
T
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
EXT.
SENSOR
±10 V
MAX.
CAUTION: DOUBLE POLE FUSING
20VA 50/60Hz
EARTH
GROUND
EXT.
SYNC.
GPIB/IEEE-488
RS-232C
MAGTROL INC.
120V UL/CSA 250mA 250V SB
240V IEC 160mA 250V T
FUSE (5x20mm)
EARTH
Figure 3–13 Three-Phase, Three-Wire Wiring Connection
20
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
3-Phase, 4-Wire
•
•
•
Measures three-phase power.
Utilizes all three phases.
The Power Factor is derived from the following equations:
Amps Σ = (A1 + A2 + A3)/3, Volts Σ = (V1 + V2 + V3)/3
Active Power = ΣW = W1 + W2 + W3
Apparent Power =
(Vrms1 × Arms1) + (Vrms2 × Arms2) + (Vrms3 × Arms3) = V1 A1 + V2 A2 + V3 A3
SETUP
Power Factor = ΣW/( V1 A1 + V2 A2 + V3 A3)
The following diagrams show the connections for 3-Phase, 4-Wire measurement.
A
SOURCE
R
S
T
N
V
±
LOAD
±
A1
V
V1
R
SOURCE
A
V
±
A
±
V
±
±
T
A
±
LOAD
S ±
±
V3
±
V
A
V2
V
A2
±
A3
A
Ø1
Ø2
Ø3
±
Figure 3–14 Three-Phase, Four-Wire Wiring Schematic
CB
LOAD
MOV
Ø3
MOV
LO
AD
Ø2
AD
LO
Ø1
MOV
VOLTS
AMPS
V
VOLTS
AMPS
AV
V
750 V
MAX.
20 A
MAX.
750 V
MAX.
20 A
MAX.
±±
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
750 V
MAX.
20 A
MAX.
A
N
A
L
O
G
A
±±
±
1000 V
MAX.
AMPS
±
±
±
VOLTS
AV
O
U
T
P
U
T
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
EXT.
SENSOR
±10 V
MAX.
CAUTION: DOUBLE POLE FUSING
20VA 50/60Hz
EARTH
GROUND
EXT.
SYNC.
GPIB/IEEE-488
RS-232C
MAGTROL INC.
120V UL/CSA 250mA 250V SB
240V IEC 160mA 250V T
FUSE (5x20mm)
EARTH
NEUTRAL
Figure 3–15 Three-Phase, Four-Wire Wiring Connection
21
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
3-Volt, 3-Amp
•
•
•
Measures three-phase power.
Utilizes all three phases.
The Power Factor is derived from the following equations:
Amps Σ = (A1 + A2 + A3)/3, Volts Σ = (V1 + V2 + V3)/3
Active Power = ΣW = W1 + W3
(
SETUP
Power Factor = ΣW
•
)
3
3
Vrms1 × A rms1) + (Vrms2 × A rms2 ) + (Vrms3 × A rms3) =
(
(V A + V A +V A )
3
3 1 1 2 2 3 3
Apparent Power =
/ 33 ( V1 A1 + V2 A2 + V3 A3)
Most common hookup for three-phase motors.
The following diagrams show the connections for a 3-Volt, 3-Amp measurement.
A
LOAD
SOURCE
R
S
T
A1
±
V
SOURCE
V
A
V
A
V
A
±
±
±
±
±
±
T
R
V
V1
S
A2
A
V2
±
LOAD
±
±
±
V3
V
Ø1
Ø2
A
Ø3
A3
±
Figure 3–16 Three-Voltage, Three-Ampere Wiring Schematic
CB
LOAD
MOV
Ø3
MOV
LO
AD
Ø2
AD
LO
Ø1
MOV
VOLTS
AMPS
V
VOLTS
AMPS
AV
V
750 V
MAX.
20 A
MAX.
750 V
MAX.
20 A
MAX.
±±
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
750 V
MAX.
20 A
MAX.
A
N
A
L
O
G
A
±±
±
1000 V
MAX.
AMPS
±
±
±
VOLTS
AV
O
U
T
P
U
T
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
EXT.
SENSOR
±10 V
MAX.
CAUTION: DOUBLE POLE FUSING
20VA 50/60Hz
EARTH
GROUND
EXT.
SYNC.
GPIB/IEEE-488
RS-232C
MAGTROL INC.
120V UL/CSA 250mA 250V SB
240V IEC 160mA 250V T
FUSE (5x20mm)
EARTH
Figure 3–17 Three-Voltage, Three-Ampere Wiring Connection
22
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
3.3.1.2
Software Configuration
To configure the 6530 to coincide with the wiring on the rear panel, complete the following steps
utilizing the USER MENU located on the front panel of the unit.
1. Turn on the 6530. See Section 3.1 – Powering Up the 6530.
2. Press ENTER button. The display should appear as shown in Figure 2–3 Device Setup
Menu.
3. Press and buttons until WIRING MODE appears in the display.
4. Press and buttons until desired wiring mode is reached.
5. Press ENTER to exit Device Setup Menu.
SETUP
3.3.2
MEASUREMENT FILTER
During the RMS calculations, in the signal-processing path, there is a digital low-pass filter. The
user can program the filter’s cutoff frequency.
Measured
Value
•
•
(Value)²
Filter
Square
Root
Selections include 1 Hz, 2 Hz, 5 Hz, 10 Hz, 20 Hz, 50 Hz and 100 Hz .
Correlation between filter setting and response is as follows:
Filter Setting
Response to Signal Change
Outcome
Low
Slow
Stable Reading
High
Fast
Unstable Reading
For more detailed information on theory, see Chapter 4 – Operating Principles.
3.3.2.1
Hardware Connection
Not applicable.
3.3.2.2
Software Configuration
To configure the 6530 measurement filter, complete the following steps utilizing the USER MENU
located on the front panel of the unit.
1. Turn on the 6530. See Section 3.1 – Powering Up the 6530.
2. Press ENTER button. The display should appear as shown in Figure 2–3 Device Setup
Menu.
3. Press and buttons until MEASUREMENT FILTER appears in the display.
4. Press and buttons until desired measurement filter is reached.
5. Press ENTER to exit Device Setup Menu.
23
Chapter 3 – Installation/Configuration
3.3.3
Magtrol Model 6530 Three-Phase Power Analyzer
EXTERNAL SENSOR
If currents continuously reach above 20 amps, an external sensor must be used.
Hardware Connection
In any of the wiring modes, any one of the amp meters may be replaced. The following diagram
illustrates the connection.
A
±
A
A
A
V
A
±
±
SETUP
=
±
COAXIAL CABLE
Figure 3–18 Sensor Substitution Wiring Schematic
VOLTS
AMPS
V
VOLTS
AMPS
AV
750 V
MAX.
20 A
MAX.
AMPS
750 V
MAX.
20 A
MAX.
750 V
MAX.
20 A
MAX.
±±
±±
±
1000 V
MAX.
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
A
N
A
L
O
G
A
±
±
±
VOLTS
AV
V
3.3.3.1
O
U
T
P
U
T
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
EXT.
SENSOR
±10 V
MAX.
CAUTION: DOUBLE POLE FUSING
20VA 50/60Hz
EARTH
GROUND
EXT.
SYNC.
GPIB/IEEE-488
RS-232C
MAGTROL INC.
120V UL/CSA 250mA 250V SB
240V IEC 160mA 250V T
FUSE (5x20mm)
EARTH
HIGH
LOW
CB
±
A
SHUNT
Figure 3–19 Sensor Substitution Wiring Connection
24
LOAD
MOV
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
3.3.3.2
Software Configuration
To configure the 6530 external sensor, complete the following steps utilizing the USER MENU
located on the front panel of the unit.
1. Turn on the 6530. See Section 3.1 – Powering Up the 6530.
2. Press ENTER button. The display should appear as shown in Figure 2–3 Device Setup
Menu.
3. Press and buttons until EXTERNAL SENSOR appears in the display.
4. Press ENTER button. The display will appear as follows.
VOLTAGE
POWER/PF
SETUP
CURRENT
Figure 3–20 External Sensor Scale Factor Setup Menu
5. To set the scale factor for A1, press the RMS button under A1 and use the buttons in the USER MENU to adjust the value.
6. To set the scale factor for A2, press the RMS button under A2 and use the buttons in the USER MENU to adjust the value.
7. To set the scale factor for A3, press the AVG button under A3 and use the buttons in the USER MENU to adjust the value.
8. Press ENTER to exit the Device Setup Menu.
25
Chapter 3 – Installation/Configuration
3.3.4
Magtrol Model 6530 Three-Phase Power Analyzer
AMP SCALING
The current measurement range can be extended by using a current transformer. Frequency response
will be determined by the characteristics of the transformer used.
Hardware Connection
VOLTS
AMPS
V
VOLTS
AMPS
AV
V
20 A
MAX.
±
750 V
MAX.
±±
1000 V
MAX.
20 A
MAX.
1000 V
MAX.
750 V
MAX.
20 A
MAX.
A
N
A
L
O
G
A
±
O
U
T
P
U
T
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
CAUTION: DOUBLE POLE FUSING
20VA 50/60Hz
EARTH
GROUND
EXT.
SYNC.
GPIB/IEEE-488
RS-232C
EXT.
SENSOR
±10 V
MAX.
SETUP
EXT.
SENSOR
±10 V
MAX.
AMPS
±±
±
750 V
MAX.
VOLTS
AV
±
3.3.4.1
120V UL/CSA 250mA 250V SB
240V IEC 160mA 250V T
FUSE (5x20mm)
MAGTROL INC.
EARTH
MOV 2
MOV 3
PT
CT
LOW
MOV 1
HIGH
LOAD
LINE
CB
Figure 3–21 Current/Potential Transformer Connection
3.3.4.2
Software Configuration
To configure the 6530 amp scaling for a current transformer, complete the following steps utilizing
the USER MENU located on the front panel of the unit.
1. Turn on the 6530. See Section 3.1 – Powering Up the 6530.
2. Press ENTER button. The display should appear as shown in Figure 2–3 Device Setup
Menu.
3. Press and buttons until AMP SCALING appears in the display.
4. Press ENTER button. The display will appear as follows.
CURRENT
VOLTAGE
Figure 3–22 Amp Scaling Setup Menu
26
POWER/PF
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
Note:
When amps scaling has been activated, "*" will appear in the main
menu next to the amps range as shown in the following figure.
CURRENT
VOLTAGE
SCALING ACTIVATED
Figure 3–23 Amp/Volt Scaling Activated
27
POWER/PF
SETUP
5. To set the amp scaling for phase 1, press the RMS button under A1 and use the buttons in the USER MENU to adjust the value.
6. To turn phase 1 scaling ON, press the PEAK-CF button under OFF until ON is reached.
7. To set the amp scaling for phase 2, press the RMS button under A2 and use the buttons in the USER MENU to adjust the value.
8. To turn phase 2 scaling ON, press the PEAK-CF button under OFF until ON is reached.
9. To set the amp scaling for phase 3, press the AVG button under A3 and use the buttons in the USER MENU to adjust the value.
10. To turn phase 3 scaling ON, press the PEAK HOLD button under OFF until ON is reached.
11. Press ENTER to exit the Device Setup Menu.
Chapter 3 – Installation/Configuration
3.3.5
Magtrol Model 6530 Three-Phase Power Analyzer
VOLTS SCALING
The voltage measurement range can be extended by using a potential transformer. Frequency response
will be determined by the characteristics of the transformer used.
3.3.5.1
Hardware Connection
See Figure 3–21 Current/Potential Transformer Connection.
3.3.5.2
Software Configuration
CURRENT
VOLTAGE
POWER/PF
Figure 3–24 Volt Scaling Setup Menu
5. To set the volt scaling for phase 1, press the RMS button under V1 and use the buttons in the USER MENU to adjust the value.
6. To turn phase 1 scaling ON, press the PEAK-CF button under OFF until ON is reached.
7. To set the volt scaling for phase 2, press the RMS button under V2 and use the buttons in the USER MENU to adjust the value.
8. To turn phase 2 scaling ON, press the PEAK-CF button under OFF until ON is reached.
9. To set the volt scaling for phase 3, press the AVG button under V3 and use the buttons in the USER MENU to adjust the value.
10. To turn phase 3 scaling ON, press the PEAK HOLD button under OFF until ON is reached.
11. Press ENTER to exit the Device Setup Menu.
Note:
When volts scaling has been activated, "*" will appear in the main
menu next to the volts range as shown in Figure 3–23 Amp/Volt
Scaling Activated.
28
SETUP
To configure the 6530 volt scaling for a potential transformer, complete the following steps utilizing
the USER MENU located on the front panel of the unit.
1. Turn on the 6530. See Section 3.1 – Powering Up the 6530.
2. Press ENTER button. The display should appear as shown in Figure 2–3 Device Setup
Menu.
3. Press and buttons until VOLT SCALING appears in the display.
4. Press ENTER button. The display will appear as follows.
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
3.3.6
PHASE SETUP
CURRENT
VOLTAGE
POWER/PF
SOURCE READING
Figure 3–25 Cycle-by-Cycle Mode
29
SETUP
Once the wiring mode, measurement filter, external sensor, amp scaling and volt scaling have been
connected and configured, the unit is ready to be configured for each individual phase.
1. To select phase, press PHASE button until desired phase is reached.
2. Select current measurement mode (DC, RMS, peak, crest factor or peak hold).
a. To select DC press SHIFT and release, then press DC button located in CURRENT
RANGE section of front panel.
b. To select RMS press SHIFT and release, then press RMS button located in CURRENT
RANGE section of front panel.
c. To select peak, crest factor or peak hold, press SHIFT and release, then press PEAK-CF
button located in CURRENT RANGE section of front panel. Keep pressing SHIFT
and PEAK-CF buttons until desired selection appears in display. For more information
on peak, crest factor and peak hold, see Section 4.3 – Measurement Modes.
3. Select current range by using the and buttons located in CURRENT RANGE section
of front panel. Selections include 50 mV, 250 mV, 0.5 V and 1 V when using an external
sensor and 1 A, 5 A, 10 A and 20 A when using amps input.
4. Select voltage measurement mode (DC, RMS, peak, crest factor or peak hold).
a. To select DC press SHIFT and release, then press DC button located in VOLTAGE
RANGE section of front panel.
b. To select RMS press SHIFT and release, then press RMS button located in VOLTAGE
RANGE section of front panel.
c. To select peak, crest factor or peak hold, press SHIFT and release, then press PEAK-CF
button located in VOLTAGE RANGE section of front panel. Keep pressing SHIFT and
PEAK-CF buttons until desired selection appears in display. For more information on
peak, crest factor and peak hold, see Section 4.3 – Measurement Modes.
5. Select voltage range by using the and buttons located in VOLTAGE RANGE section
of front panel. Selections include 30 V, 150 V, 300 V and 600 V.
6. Press W-VA-PF button until desired selection is reached. Selections include Wx↑, Wx,
VAx and PFx where “x” is equivalent to the selected phase.
7. Repeat steps 1-6 for each phase.
8. Once the individual phases have been configured, cycle-by-cycle or continuous must be
chosen. See Section 4.4 – Measurement Methods.
a.1. For cycle-by-cycle mode, press CYC-CONT button until display shows source reading
in lower right corner similar to the following figure.
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
a.2. A source now needs to be selected. Press SHIFT button and release, then press SOURCE
button. Keep repeating until desired source selection is reached. Selections include
V1, A1, V2, A2, V3, A3, EXT and LINE.
b. For continuous mode, press CYC-CONT until display does not show any readings in
the lower right corner.
SPECIAL FUNCTIONS
3.3.7.1
Hold
•
•
Freezes display values.
To set, press and release HOLD button. The display will appear as follows, indicating that
the hold function is enabled.
CURRENT
VOLTAGE
POWER/PF
HOLD MODE INDICATORS
Figure 3–26 Hold Mode
•
3.3.7.2
To disable, press and release HOLD button.
Average
• Mode in which the power analyzer displays the running average of amps, volts and watts.
• Used to stabilize mildly fluctuating readings or to determine watt-hours when used in
conjunction with a timer.
• To set, press SHIFT button and release, then press AVG. The display will appear as follows,
indicating that the Average Function is enabled.
CURRENT
VOLTAGE
AVERAGE MODE INDICATORS
Figure 3–27 Average Mode
•
To disable, press SHIFT button and release, then press AVG.
30
POWER/PF
SETUP
3.3.7
Chapter 3 – Installation/Configuration
Magtrol Model 6530 Three-Phase Power Analyzer
3.3.7.3
Peak Hold
• Clears peak hold/inrush reading.
• To enable, press SHIFT button and release, then press PEAK HOLD. The display will flash
the following, then return to the main menu.
CURRENT
VOLTAGE
POWER/PF
SETUP
Figure 3–28 Peak Hold Clear Display
3.3.7.4
Custom Display
• The display can be configured to present data in any format.
• To set, press SHIFT button and release, then press DISPLAY. The display will appear as
follows.
CURRENT
VOLTAGE
POWER/PF
Figure 3–29 Custom Display
•
There are 6 fields in the display that can be customized with information based on previous
individual phase setups. To set, from the USER MENU control buttons, toggle from field
to field by using the and buttons and make selections using the and buttons. If
there is not a preferred value for a specific field, press ENTER when the field is selected
and it will be deleted from the display.
31
4. Operating Principles
4.1
ANALOG PROCESSING
4.1.1
VOLTS
The volts signal is brought in through a precision voltage divider of 2 M and 2.4 k resistors. The
gain is 0.0012. This signal is buffered (GAIN = 1) and passed into a programmable gain section.
The gains for the voltage ranges are given below.
Range
Resistors
Gain ( Amplifier )
30 volt
12 k / 620
-19.35
150 volt
2.4 k / 620
-3.871
300 volt
1.2 k / 620
-1.936
600 volt
620 / 620
-1.000
Range
Volts In (VDC)
Gain (total)
Volts at A/D Input
Bits
30 volt
3
-0.023220
-0.0697
1826
30 volt
30
-0.023220
-0.6966
18261
150 volt
15
-0.004645
-0.0697
1826
150 volt
150
-0.004645
-0.6968
18265
300 volt
30
-0.002323
-0.0697
1827
300 volt
300
-0.002323
-0.6969
18269
600 volt
60
-0.001200
-0.0720
1887
600 volt
600
-0.001200
-0.7200
18874
Converter Resolution: 2.5 / 2^16 = 2.5 / 65536 = 0.00003814697
32
THEORY
The signal is then presented to an AD7722AS 16-bit analog to digital converter. The part accepts an
input signal of ± 1.25 volts centered on a 2.5 VDC volt bias. The chart below shows system input at
10% and 100% of range.
Chapter 4 – Operating Principles
Magtrol Model 6530 Three-Phase Power Analyzer
4.1.2
AMPS
The amps signal is brought in through a precision shunt of 0.012 ohms. This signal is amplified by
2 and passed into a programmable gain section. The gains for the voltage ranges are given below.
Range
Resistors
Gain ( Amplifier )
1 amp
12 k / 620
-19.35
5 amp
2.4 k / 620
-3.871
10 amp
1.2 k / 620
-1.936
20 amp
620 / 620
-1.000
The signal is then presented to an AD7722AS 16-bit analog to digital converter. The part accepts an
input signal of ± 1.25 volts centered on a 2.5 VDC volt bias. The chart below shows system input
at 10% and 100% of range.
Range
Amps In
(ADC)
Shunt Volts
First Stage
Amp
Gain
Volts at A/D
Input
Bits
0.1
0.0012
-0.0024
-19.35000
0.0464
1217
1 amp
1.0
0.0120
-0.0240
-19.35000
0.4644
12174
5 amp
0.5
0.0060
-0.0120
-3.87100
0.0465
1218
5 amp
5.0
0.0600
-0.1200
-3.87100
0.4645
12177
10 amp
1.0
0.0120
-0.0240
-1.93600
0.0465
1218
10 amp
10.0
0.1200
-0.2400
-1.93600
0.4646
12180
20 amp
2.0
0.0240
-0.0480
-1.00000
0.0480
1258
20 amp
20.0
0.2400
-0.4800
-1.00000
0.4800
12583
Converter Resolution: 2.5 / 2^16 = 2.5 / 65536 = 0.00003814697
Shunt resistance = 0.012
33
THEORY
1 amp
Chapter 4 – Operating Principles
4.1.3
Magtrol Model 6530 Three-Phase Power Analyzer
EXTERNAL SHUNT
The external shunt signal is brought in through a precision voltage divider of 9.1 k and 9.1 k resistors.
The gain is 0.50. This signal is buffered and passed into a programmable gain section. The gains for
the voltage ranges are given below.
Range
Resistors
Gain ( Amplifier )
50 mV
12 k / 620
-19.350
250 mV
2.4 k / 620
-3.871
500 mV
1.2 k / 620
-1.936
1000 mV
620 / 620
-1.000
The signal is then presented to an AD7722AS 16-bit analog to digital converter. The part accepts an
input signal of +/- 1.25 volts centered on a 2.5 VDC volt bias. The chart below shows system input
at 10% and 100% of range.
Range
Volts In (VDC)
Gain (total)
Volts at A/D Input
Bits
0.005
-9.67500
-0.0484
1268
50 mV
0.050
-9.67500
-0.4838
12681
250 mV
0.025
-1.93550
-0.0484
1268
250 mV
0.250
-1.93550
-0.4839
12684
500 mV
0.050
-0.96800
-0.0484
1269
500 mV
0.500
-0.96800
-0.4840
12688
1000 mV
0.100
-0.50000
-0.0500
1311
1000 mV
1.000
-0.50000
-0.5000
13107
Converter Resolution: 2.5 / 2^16 = 2.5 / 65536 = 0.00003814697
4.2
DIGITAL PROCESSING
Starting at the AD7722AS analog to digital converter, the input clock to the device is 14.31818
MHz. This clock frequency gives a sample rate or data output rate of 14318180 / 64 = 223721.5625
samples per second.
The DSP processor uses fractional data representation for all Data ALU operations. Using long
words (48-bit) the most negative number that can be represented is -1 ($800000000000). The most
positive number that can be represented is 1 – 2-47 ($7FFFFFFFFFFF).
Example:
$123456 (Hex integer)
0001 0010 0011 0100 0101 0110 (Binary)
0.142222166 (Fractional)
34
THEORY
50 mV
Chapter 4 – Operating Principles
Magtrol Model 6530 Three-Phase Power Analyzer
4.2.1
AC DETAILS
4.2.1.1
Interrupt Driven
The power analyzer will automatically update its data every 4.469 microseconds by completing the
following sequence of events:
• The volts input is read and checked for an over range condition. The offset is then added to
the reading and the reading is negated and saved.
• The amps input is read and checked for an over range condition. The offset is then added to
the reading and the reading is negated and saved.
• The volt reading is checked to see if it is the peak and if so is stored.
• The amp reading is checked to see if it is the peak and if so is stored.
• The volt reading is squared and the squared reading is summed.
• The volt and amp reading is multiplied and the multiplied value is summed.
• The amp reading is squared and summed.
Note:
35
THEORY
After 256 readings are summed, the sums are transferred to a 56bit V² register, a 56-bit VI register, and a 56-bit I² register. A sample
ready flag is set.
Chapter 4 – Operating Principles
4.2.1.2
Magtrol Model 6530 Three-Phase Power Analyzer
Main Program
The main program reads that a sample is ready.
Divide the V² register by 256.
Store V² in a 24-bit register. (See Section 4.2.3 – Round-Off Error).
The result is appended to a 32 word circular buffer.
Add buffer contents and divide by 32.
The result is appended to a 2cd 32 word circular buffer.
Divide the I² register by 256.
Store I² in a 24-bit register.
The result is appended to a 32 word circular buffer.
Add buffer contents and divide by 32.
The result is appended to a 2cd 32 word circular buffer.
Add 2cd V² buffer contents and divide by 32. Save this value.
Add 2cd I² buffer contents and divide by 32. Save this value.
Add 2cd VI buffer contents and divide by 32. Save this value.
Each sample is now 256 X (32 + 32) (16384) a/d samples. At
223721.5625 samples per second that is 0.07323388 ms for a new
input to fully average.
The VI sample is applied to an RC filter algorithm.
The output of the filter is multiplied by a gain value.
This value is stored for output.
The V² sample is applied to an RC filter algorithm.
The square root of the output is taken.
The result is multiplied by a gain value.
This value is stored for output.
The I² sample is applied to an RC filter algorithm.
The square root of the output is taken.
The result is multiplied by a gain value.
This value is stored for output.
These values are updated at 873.912 readings per second.
Every 8th time through the loop or at a rate of 109.239 the V and I
peak values are stored for output and the data ready flag is set.
36
THEORY
Divide VI register by 256.
Store VI in a 24-bit register.
The result is appended to a 32 word circular buffer.
Add buffer contents and divide by 32.
The result is appended to a 2cd 32 word circular buffer.
Chapter 4 – Operating Principles
Magtrol Model 6530 Three-Phase Power Analyzer
4.2.2
DC DETAILS
4.2.2.1
Interrupt Driven
The power analyzer will automatically update its data every 4.469 microseconds by completing the
following sequence of events:
• The volts input is read and checked for an over range condition. The offset is then added to
the reading and the reading is negated and saved.
• The amps input is read and checked for an over range condition. The offset is then added to
the reading and the reading is negated and saved.
• The volt reading is checked to see if it is the peak and if so, is stored.
• The amp reading is checked to see if it is the peak and if so, is stored.
• The volt reading is summed.
• The amp reading is summed.
• The volt and amp reading is multiplied.
• The multiplied value is summed.
After 256 readings are summed the sums are transferred to a 56-bit
V register, a 56-bit I register, and a 56-bit VI register. A sample
ready flag is set.
37
THEORY
Note:
Chapter 4 – Operating Principles
4.2.2.2
Magtrol Model 6530 Three-Phase Power Analyzer
Main Program
The main program reads that a sample is ready.
Divide the V register by 256.
Store V in a 24-bit register.
The result is appended to a 32 word circular buffer.
Add buffer contents and divide by 32.
The result is appended to a 2cd 32 word circular buffer.
Divide the I register by 256.
Store I in a 24-bit register.
The result is appended to a 32 word circular buffer.
Add buffer contents and divide by 32.
The result is appended to a 2cd 32 word circular buffer.
Add 2cd V2 buffer contents and divide by 32. Save this value.
Add 2cd I2 buffer contents and divide by 32. Save this value.
Add 2cd VI buffer contents and divide by 32. Save this value.
Each sample is now 256 X (32 + 32) (16384) a/d samples. At
223721.5625 samples per second that is 0.07323388 ms for a new
input too fully average.
The VI sample is applied to an RC filter algorithm.
The output of the filter is multiplied by a gain value.
This value is stored for output.
The V sample is applied to an RC filter algorithm.
The output of the filter is multiplied by a gain value.
This value is stored for output.
The I sample is applied to an RC filter algorithm.
The output of the filter is multiplied by a gain value.
This value is stored for output.
These values are updated at 873.912 readings per second.
Every 8th time through the loop or at a rate of 109.239 the V and I
peak values are stored for output and the data ready flag is set.
38
THEORY
Divide the VI register by 256.
Store VI in a 24-bit register.
The result is appended to a 32 word circular buffer.
Add buffer contents and divide by 32.
The result is appended to a 2cd 32 word circular buffer.
Chapter 4 – Operating Principles
Magtrol Model 6530 Three-Phase Power Analyzer
4.2.3
ROUND-OFF ERROR
The interrupt routine adds 256 56-bit squared readings. This reading is then divided by 256 and put
into a 24-bit register. Some error occurs during the move to the 24-bit register. The result of the 16bit A/D conversion is put into the high 16 bits of a 24-bit register.
Example 1:
Example 2:
A/D reading
=
56-bit register =
Square of 56-bit =
Store to 24-bit =
000B
00 000B00 000000
00 000000 F20000
000000
A/D reading
=
56-bit register =
Square of 56-bit =
Store to 24-bit =
000C
00 000C00 000000 (0.0003662)
00 000001 200000 (0.00000013411)
000001
MEASUREMENT MODES
4.3.1
PEAK
The peak value is defined as the highest value that occurs in the cycle of a repetitive waveform.
The graph below shows one cycle of a repetitive waveform. The peak value is shown. The absolute
value of the reading is used to determine the peak value.
VOLTS vs. ANGLE
250
Peak
200
150
100
50
0
0
50
100
150
200
250
300
350
-50
volts
-100
Figure 4-1 Peak Example
39
THEORY
4.3
(0.0003357)
(0.00000012269)
(0.0000000)
Chapter 4 – Operating Principles
4.3.2
Magtrol Model 6530 Three-Phase Power Analyzer
PEAK HOLD / INRUSH CURRENT
Peak hold/inrush current allows the 6530 to store the highest value read in a designated period of
time, the designated period of time being the time span since the last peak hold clear occurred.
Values include amps, watts and volts in any preferred combination. See Section 3.3.7.3 – Peak
Hold.
The graph below shows the current draw from a 1/3 horsepower motor during initial startup. At
startup the current inrush peaks at about 14 amps then settles to 4.25 amps. When the unit is in peak
hold/ inrush mode of operation, the front panel current reading displays 14.033 amps. The current
reading indicates the peak inrush current, which is determined by the RMS value.
The operation of the volts and watts peak hold follows the same operation as explained for the
current above.
THEORY
Figure 4–2 Peak Hold/Inrush Current Example
4.3.3
DC
See Section 4.2.2 – DC Details.
40
Chapter 4 – Operating Principles
Magtrol Model 6530 Three-Phase Power Analyzer
4.3.4
RMS
See Section 4.2.1 – AC Details
4.3.5
CREST FACTOR
The crest factor measurement is determined by dividing the peak measurement by the RMS
measurement. See the following graph for reference.
1.5
RMS 0.707 Volts
1
0.5
0
50
100
150
200
250
300
350
-0.5
CF = Peak / RMS
CF = 1/0.707 = 1.41
-1
Peak 1Volt
volts
volts²
VRMS
-1.5
Figure 4–3 Crest Factor Example
4.4
MEASUREMENT METHODS
4.4.1
CYCLE-BY-CYCLE MODE
In the cycle-by-cycle mode the power analyzer looks at each complete cycle of the incoming waveform.
The measurements are valid from 20 Hz to 500 Hz. The power analyzer may be synchronized from
any of the phase volts or amps inputs, the line voltage or the back panel external sync input. If
using volts or amps for synchronization, the input must be greater than 10% of the range setting.
4.4.2
CONTINUOUS MODE
In the continuous mode the measurement values are determined from continuously processed and
filtered volts and amps input values. The measurements are valid from DC to 100 kHz and the
output data rate from the process is about 109.24 samples per second. The power analyzer does not
have to be synchronized to the measured waveform and the user may select the filter to be used in
the mean process of the RMS value.
41
THEORY
0
5. Computer Controlled Operation
Using the 6530 with a personal computer (PC) enables the unit to perform at its full capacity.
5.1
ABOUT THE GPIB INTERFACE
Magtrol prefers the GPIB (General Purpose Interface Bus)/IEEE-488 Standard for computer-toinstrument interfacing because:
• The GPIB parallel interface is faster than serial interfaces.
• The GPIB enables testers to access up to 15 instruments on one port. Because typical motor
testing requires that at least five separate parameters be synchronized, a system of easy, fast
access to more than one instrument is essential.
• The GPIB has rigid data formatting and hardware standards. These standards help to ensure
that all functions will work properly when the hardware and software are installed.
Note:
5.1.1
The GPIB interface is not standard on most personal computers.
An interface card and driver software must be installed. An IEEE488 cable must also be installed between the computer and the
6530. Magtrol recommends National Instruments Corporation
hardware and software.
INSTALLING THE GPIB/IEEE-488 CONNECTOR CABLE
MAKE
6530
INSTALLING THE GPIB CONNECTOR CABLE.
SURE BOTH THE COMPUTER AND
ARE TURNED OFF BEFORE
1. Connect one end of a high-quality, double-shielded cable to the 6530 GPIB connector.
2. Connect the other end to the GPIB interface in your PC.
PC
VOLTS
AMPS
V
VOLTS
AMPS
AV
20 A
MAX.
AMPS
AV
V
750 V
MAX.
750 V
MAX.
20 A
MAX.
±±
±
1000 V
MAX.
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
A
750 V
MAX.
20 A
MAX.
±±
±
±±
±
VOLTS
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
A
N
A
L
O
G
O
U
T
P
U
T
CAUTION: DOUBLE POLE FUSING
20VA 50/60Hz
EARTH
GROUND
EXT.
SYNC.
Magtrol
Test and
Measurement
Software
GPIB/IEEE-488
RS-232C
EXT.
SENSOR
±10 V
MAX.
MAGTROL INC.
120V UL/CSA 250mA 250V SB
240V IEC 160mA 250V T
FUSE (5x20mm)
Figure 5–1 GPIB Installation
5.1.2
CHANGING
THE
GPIB PRIMARY ADDRESS
Each instrument serviced by the GPIB has its own primary address code, which enables the computer
to obtain readings from the instrument. The factory default of the GPIB address on the 6530 is 14.
42
OPERATION
CAUTION:
Chapter 5 – Computer Controlled Operation
Magtrol Model 6530 Three-Phase Power Analyzer
Some PC interfaces can access from one to fifteen 4-bit primary addresses. Other interfaces can
access as many as thirty-one 5-bit primary addresses. The 6530 uses the 4-bit format. For setup,
complete the following instructions utilizing the USER MENU control buttons.
1. Press ENTER.
2. Use the and buttons until I/O is reached.
3. Press ENTER.
4. Use the and buttons until GPIB ADDRESS is reached. The display should appear as
follows:
CURRENT
VOLTAGE
POWER/PF
Figure 5–2 GPIB Address Setup Menu
5. Use the and buttons until desired primary address is reached (range 0-15).
6. Press ENTER to return to main menu.
5.2
ABOUT THE RS-232 INTERFACE
The 6530 is equipped with an RS-232 (serial) interface that communicates with the host computer
through a DB-9 interface connector. The connector pin-out consists of 2-RX, 3-TX and 5-GND.
5
4
3
8
1.
2. RX
3. TX
4.
5. GND
2
7
1
6
OPERATION
9
6.
7.
8.
9.
Figure 5–3 RS-232 Interface
5.2.1
CONNECTION
The RS-232 requires null modem wiring. To install use a null modem connector cable, which can
be purchased from your local electronics store.
6530
PC
RX
TX
GND
DIGITAL GROUND
1.
2.
3.
4.
5.
6.
7.
8.
9.
1.
2.
3.
4.
5.
6.
7.
8.
9.
DCD (DATA CARRIER DETECT)
RX (RECEIVE DATA)
TX (TRANSMIT DATA)
DTR (DATA TERMINAL READY)
GND (SIGNAL GROUND)
DSR (DATA SET READY)
RTS (REQUEST TO SEND)
CTS (CLEAR TO SEND)
RI (RING INDICATOR)
Figure 5–4 Cable Connection Using Null Modem
43
Chapter 5 – Computer Controlled Operation
Magtrol Model 6530 Three-Phase Power Analyzer
5.2.2
COMMUNICATION PARAMETERS
• No parity
• 8 data bits
• 1 stop bit
5.2.3
BAUD RATE
There are several different baud rates to choose from including 300, 600, 1200, 2400, 4800, 9600,
19200 and 115200. To set up the desired baud rate, complete the following instructions utilizing the
USER MENU control buttons.
1. Press ENTER.
2. Use the and buttons until I/O is reached.
3. Press ENTER.
4. Use the and buttons until RS-232 BAUDRATE is reached. The display should appear
as follows:
CURRENT
VOLTAGE
POWER/PF
Figure 5–5 RS-232 Baud Rate Setup Menu
5. Use the and buttons until desired baud rate is reached.
6. Press ENTER to return to main menu.
CHECKING THE 6530-TO-PC CONNECTION
Note:
Make sure that the 6530 and its host computer are communicating
before acquiring data.
1. Make sure the primary GPIB address is set correctly for the 6530.
2. Set the input variable to 15 characters (13 variable characters and the two required data
termination characters CR and LF. See Section 5.5 – Programming.)
3. Issue output data command "*IDN?" and read 15 characters according to the instructions
for your GPIB interface or serial.
Desired Results
•
Note:
output_string = "6530 R 1.16"<delimiter>
If the desired results did not occur, please see Chapter 8 –
Troubleshooting.
44
OPERATION
5.3
Chapter 5 – Computer Controlled Operation
Magtrol Model 6530 Three-Phase Power Analyzer
5.4
DATA FORMAT
•
•
•
All measurement values are returned as an ASCII-string floating point in E notation.
The same data format will be used for both IEEE-488 and RS-232 interface. See Section
5.6 – 6530 Communication Commands.
Data is separated by commas.
Character Definition
\s
space
\r
carriage return
\n
line feed
^
Located in the first returned character position indicating peak input value
is above range, user needs to increase range.
NOTE: If a space is located in the first returned character position, the
input signal is within range and no changes need to be made.
Sections 5.4.1 through 5.4.3 contain return data format examples for the following:
• Output Total (OT)
• Output Volts (OV)
• Output Element (OE)
• Output Watts (OW)
• Output Amps (OA)
• Output Frequency (OF)
5.4.1
OT EXAMPLE
Total
= 183 characters
Output String: (1-182) = measurement value float E notation (ANSI)
5.4.1.1
Good Response
\s\s1.86707E-01,\s\s1.19568E+02,\s\s1.32201E+01,\s-1.10599E-03,\s-3.28546E02,\s\s0.00000E+00,\s-3.17532E-04,\s\s4.00554E-02,\s\s0.00000E+00,\s\s6.18068E02,\s\s3.98861E+01,\s\s1.32390E+01,\s\s5.99982E+01\r\n
5.4.1.2
Over-Range Condition
\s\s1.85048E-01,^\s4.94537E+01,^\s4.20193E+00,\s-1.08896E-03,\s-3.04530E02,\s\s0.00000E+00,\s-3.81305E-04,\s\s4.70035E-02,\s\s0.00000E+00,\s\s6.14162E02,^\s1.65010E+01,^\s4.23552E+00,\s\s5.99860E+01\r\n
45
OPERATION
Data Position: A1, V1, W1, A2, V2, W2, A3, V3, W3, ∑A, ∑V, ∑W, Frequency
Chapter 5 – Computer Controlled Operation
5.4.2
Magtrol Model 6530 Three-Phase Power Analyzer
OE EXAMPLE
Total
= 43 characters
Output String: (1-42) = measurement value float E notation (ANSI)
Data Position: Ax, Vx, Wx (where x = requested phase)
5.4.2.1
Good Response
\s\s1.83352E-01,\s\s1.19342E+02,\s\s1.29812E+01\r\n
5.4.2.2
Over-Range Condition
\s\s1.84250E-01,^\s4.95238E+01,^\s4.26064E+00\r\n
5.4.3
OA/OV/OW/OF EXAMPLE
Total
= 15 characters
Output String: (1-14) = measurement value float E notation (ANSI)
5.4.3.1
Good Response
\s\s1.19494E+02\r\n
5.4.3.2
Over-Range Condition
^\s4.94796E+01\r\n
PROGRAMMING
Note:
5.5.1
Check the manual provided with your software for full instructions.
DATA TERMINATION CHARACTERS
Use the following information to answer the formatting questions asked when installing your GPIB
software. All GPIB data acquisition systems require the use of data termination characters. The
6530 uses the GPIB standard termination characters Carriage Return (CR) and Line Feed (LF).
Provide them in that order.
5.5.1.2
Codes for CR-LF
BASIC
HEX
DEC
CR =
CHR$(13)
OD
13
LF =
CHR$(10)
OA
10
46
OPERATION
5.5
Chapter 5 – Computer Controlled Operation
Magtrol Model 6530 Three-Phase Power Analyzer
5.6
6530 COMMUNICATION COMMANDS
IEEE-488 Address:
Terminator:
0-15
carriage return followed by a line feed
RS-232
300, 600, 1200, 2400, 4800, 9600, 19.2 k, 115.2 k
carriage return followed by a line feed
Baud Rate:
Terminator:
When entering a command code:
1. Type all characters in uppercase ASCII format.
2. End all commands with a carriage return followed by a line feed.
3. Do not string multiple commands together in one line.
Note:
5.6.1
If a command is not recognized, the I/O ERROR message will
appear in the Status Display accompanied by a beep.
CONFIGURATION COMMANDS
Command Code
*IDN? <terminator>
Function
Identification quer y.
Sets auto or manual range
AAm1,m2<terminator> mode for the amps ranges.
Returns model number and code revision.
"m1" indicates the input phase.
Values for m1 are:
0 =
all phases
1 =
phase 1
2 =
phase 2
3 =
phase 3
"m2" indicates whether range mode is auto
or manual. Values for m2 are:
0 =
manual range
1 =
auto range
"m1" indicates the input phase.
Values for m1 are:
0 =
all phases
1 =
phase 1
2 =
phase 2
3 =
phase 3
"m2" indicates whether range mode is auto
or manual. Values for m2 are:
0 =
manual range
1 =
auto range
"m" indicates the input to be used as the
fundamental source. Values for m are:
0 =
V1
1 =
A1
2 =
V2
3 =
A2
4 =
V3
5 =
A3
EXT (external input)
6 =
7 =
LINE (50/60 Hz)
FSm<terminator>
Sets the frequency source
for cycle-by-cycle mode.
IS
Star ts average mode.
---
IC
Clears average mode.
---
47
OPERATION
Sets auto or manual range
AVm1,m2<terminator> mode for the voltage
ranges.
Explanation
Chapter 5 – Computer Controlled Operation
Command Code
Magtrol Model 6530 Three-Phase Power Analyzer
Function
Explanation
PC<terminator>
RAm1,m2<terminator>
Clears all peak hold values
(volt, amp and watt).
Sets current range and
input source.
48
--"m1" indicates the input phase.
Values for m1 are:
0 =
all phases
1 =
phase 1
2 =
phase 2
3 =
phase 3
"m2" indicates current range.
Values for m2 are:
0 =
20 A
1 =
10 A
2 =
5A
3 =
1A
4 =
1 V external sensor
input range
5 =
500 mV external sensor
input range
6 =
250 mV external sensor
input range
7 =
50 mV external sensor
input range
OPERATION
"m1" indicates the input phase.
Values for m1 are:
0 =
all phases
1 =
phase 1
Sets the RMS or DC
2 =
phase 2
MAm1,m2<terminator> measurement mode of
3 =
phase 3
amps phases.
"m2" indicates measurement mode.
Values for m2 are:
0 =
RMS (AC + DC)
1 =
DC
"m1" indicates the input phase.
Values for m1 are:
0 =
all phases
1 =
phase 1
Sets the RMS or DC
2 =
phase 2
MVm1,m2<terminator> measurement mode of
3 =
phase 3
voltage phases.
"m2" indicates measurement mode.
Values for m2 are:
0 =
RMS (AC + DC)
1 =
DC
"m" indicates whether the measurement
Sets the continuous or
mode is continuous or cyclic.
MCm<terminator>
cyclic measurement mode Values for m are:
filter.
0 =
continuous
1 =
cycle-by-cycle
"m" indicates the measurement filter lowpass frequency (response time).
Values for m are:
0 =
1 Hz
1 =
2 Hz
Sets the AC and DC
MFm<terminator>
2 =
5 Hz
measurement mode filter.
3 =
10 Hz
4 =
20 Hz
5 =
40 Hz
6 =
100 Hz
Chapter 5 – Computer Controlled Operation
Magtrol Model 6530 Three-Phase Power Analyzer
Command Code
RVm1,m2<terminator>
SAm1,m2<terminator>
SVm1,m2<terminator>
WMm<terminator>
Explanation
"m1" indicates the input phase.
Values for m1 are:
0 =
all phases
1 =
phase 1
2 =
phase 2
3 =
phase 3
Sets voltage range.
"m2" indicates voltage range.
Values for m2 are:
0 =
600 V
1 =
300 V
2 =
150 V
3 =
30 V
"m1" indicates the input phase.
Values for m1 are:
0 =
all phases
1 =
phase 1
Sets the amps scaling
2 =
phase 2
constant (current
3 =
phase 3
transformer).
"m2" indicates the amps scaling constant in
A/A and must be set within the following
range: 0.01 < m2 < 10000. When m2 = 0,
the amps scaling mode will be cleared.
"m1" indicates the input phase.
Values for m1 are:
0 =
all phases
1 =
phase 1
Sets the voltage scaling
2 =
phase 2
constant (potential
3 =
phase 3
transformer).
"m2" indicates the voltage scaling constant
in V/V and must be set within the following
range: 0.01 < m2 < 10000. When m2 = 0,
the voltage scaling mode will be cleared.
"m1" indicates the input phase.
Values for m1 are:
0 =
all phases
1 =
phase 1
2 =
phase 2
3 =
phase 3
Sets the external current
"m2" indicates the external current sensor
sensor scaling constant.
scaling constant in A/mV and must be set
within the following range:
0.0001 < m2 < 99999.
NOTE: External sensor voltage input
values are divided by this value to give
output in amps in external sensor input
current ranges.
"m" indicates the wiring mode.
Values for m are:
0 =
1-Phase, 2-Wire
Sets the wiring mode for
1 =
1-Phase, 3-Wire
sum measurement values.
2 =
3-Phase, 3-Wire
3 =
3-Phase, 4-Wire
4 =
3-Volt, 3-Amp
49
OPERATION
SEm1,m2<terminator>
Function
Chapter 5 – Computer Controlled Operation
5.6.2
Magtrol Model 6530 Three-Phase Power Analyzer
DATA OUTPUT COMMANDS
Command Code
Function
Requests amp
measurement value.
OVm1,m2<terminator>
Requests volt
measurement value.
OWm1,m2<terminator>
Requests watt
measurement.
OF<terminator>
Requests output of
frequency.
OEm<terminator>
OAVE
OT<terminator>
Requests phase
measurement values
(amps, volts, watts).
Retrieves displayed values
of current, voltage and
power. Returns data in the
same format as the OE
command.
Requests all measurement
values.
50
--"m" indicates the input phase.
Values for m are:
0 =
sum of phases
(wiring mode dependent)
1 =
phase 1
2 =
phase 2
3 =
phase 3
---
---
OPERATION
OAm1,m2<terminator>
Explanation
"m1" indicates the input phase.
Values for m1 are:
0 =
sum of amps phases
1 =
phase 1
2 =
phase 2
3 =
phase 3
"m2" indicates the measurement value.
Values for m2 are:
0 =
normal (RMS/DC
depending on measurement
mode setting)
1 =
peak (instantaneous)
2 =
crest factor
peak hold/inrush (RMS/DC)
3 =
"m1" indicates the input phase.
Values for m1 are:
0 =
average of voltage phases
(wiring mode dependent)
1 =
phase 1
2 =
phase 2
3 =
phase 3
"m2" indicates the measurement value.
Values for m2 are:
0 =
normal (RMS/DC
depending on measurement
mode setting)
1 =
peak (instantaneous)
2 =
crest factor
peak hold/inrush (RMS/DC)
3 =
"m1" indicates the input phase.
Values for m1 are:
0 =
sum of watt phases
(wiring mode dependent)
1 =
phase 1
2 =
phase 2
3 =
phase 3
"m2" indicates the measurement value.
Values for m2 are:
0 =
watts
1 =
VA
2 =
power factor
3 =
watts peak hold
6. Calibration
6.1
CLOSED-BOX CALIBRATION
The 6530 features closed-box calibration. The advantage of closed-box calibration is that the user
does not have to disassemble the case or make mechanical adjustments.
6.2
CALIBRATION SCHEDULE
Calibrate the 6530:
• After any repairs are performed.
• At least once a year; more frequently to ensure required accuracy.
6.3
CALIBRATION COMMANDS
Command Code
Function
Calibrates amps
CAm1,m2<terminator> measurement value of
present input range.
"m1" indicates the input phase.
Values for m1 are:
0 =
all phases
1 =
phase 1
2 =
phase 2
3 =
phase 3
"m2" indicates the calibrated input value
applied to the input.
When m2 is equal to 0, the unit assumes
zero calibration is requested and zero amps
are on input.
When m2 is greater than 0, the unit
assumes gain calibration is requested and
m2 amps are on input.
"m1" indicates the input phase.
Values for m1 are:
0 =
all phases
1 =
phase 1
2 =
phase 2
3 =
phase 3
"m2" indicates the calibrated input value
applied to the input.
When m2 is equal to 0, the unit assumes
zero calibration is requested and zero volts
are on input.
When m2 is greater than 0, the unit
assumes gain calibration is requested and
m2 volts are on input.
CS<terminator>
Saves calibration values to
EEPROM.
---
CR<terminator>
Restores all calibration
values from EEPROM (used
for testing only).
---
51
MAINTENANCE
Calibrates volts
CVm1,m2<terminator> measurement value of
present input range.
Explanation
Chapter 6 – Calibration
BASIC CALIBRATION PROCESS
PHASE
LOCK
IN
VARIABLE
PHASE
OUTPUT
VOLTAGE CALIBRATOR
VOLTAGE CALIBRATOR
FLUKE 5700A OR
FLUKE 5100A OR
EQUIVALENT
FLUKE 5700A OR
EQUIVALENT
VOLTS
VOLTS, HIGH
LOW
OPTIONAL-FOR AMPS >2
TRANSCONDUCTANCE AMP.
FLUKE 5725A, 5205A
GUILDLINE 7620A, OR
EQUIVALENT
CURRENT
HIGH
LOW
VOLTS
AMPS
V
VOLTS
AMPS
AV
750 V
MAX.
20 A
MAX.
750 V
MAX.
A
20 A
MAX.
±±
750 V
MAX.
20 A
MAX.
±±
±
1000 V
MAX.
AMPS
±
±
±
VOLTS
AV
V
6.4
Magtrol Model 6530 Three-Phase Power Analyzer
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
1000 V
MAX.
EXT.
SENSOR
±10 V
MAX.
A
N
A
L
O
G
O
U
T
P
U
T
CAUTION: DOUBLE POLE FUSING
20VA 50/60Hz
EARTH
GROUND
EXT.
SYNC.
GPIB/IEEE-488
RS-232C
EXT.
SENSOR
±10 V
MAX.
MAGTROL INC.
120V UL/CSA 250mA 250V SB
240V IEC 160mA 250V T
FUSE (5x20mm)
EARTH
Figure 6–1 Calibration/Verification Test Setup
CURRENT
VOLTAGE
Figure 6–2 Calibration Mode Enabled
52
POWER/PF
MAINTENANCE
The 6530 must be used with a personal computer to complete the calibration process.
1. Begin the process with the 6530 turned OFF.
2. Remove any external input connections.
3. Connect the amps and volts.
4. Turn the power ON while holding the SHIFT button. See Section 3.1 – Powering Up the
6530. Before the display panel shows the segments of the VFD (series of rectangles), the
following display will appear indicating that the instrument has been placed in the calibration
mode.
Chapter 6 – Calibration
Magtrol Model 6530 Three-Phase Power Analyzer
5. Set volt and amp range by entering the following command codes.
VOLTS => RV0,m2 where m2 = 0 to 3
AMPS => RA0,m2 where m2 = 0 to 3
6. Set calibrator to 0 volts (DC) and 0 amps (DC).
Note:
DC is used for zero.
7. Enter the following commands.
VOLTS => CV0,0
AMPS => CA0,0
8. Set calibrator to full scale range for volts (AC) and amps (AC).
Note:
AC 80 Hz is used for gain.
9. Enter the following commands.
VOLTS => CV0,xx.xx
AMPS => CA0,xx.xx
Where xx.xx is the voltage/current on the inputs (full scale).
10. Repeat steps 5 through 9 for all ranges.
11. Remove amp and voltage inputs.
12. Attach external input to calibrator voltage.
13. Set amp range by entering the following command code.
AMPS => RAØ, m2 where m2 = 4 to 7
14. Set calibrator to 0 volts (DC).
Note:
DC is used for zero.
15. Enter the following command.
AMPS => CA0,0
16. Set calibrator to volts full scale range (AC).
AC 80 Hz is used for gain.
17. Enter the following command.
AMPS => CA0,xx.xx
Where xx.xx is the voltage on the inputs (full scale).
18. Repeat steps 13 through 17 for all ranges.
19. When the calibration for all ranges is complete, enter the CS command to save.
53
MAINTENANCE
Note:
7. Optional Features
7.1
ANALOG OUTPUTS
An option to the 6530 is an analog output plug-in module that provides 12 channels of analog output
corresponding to volts, amps and watts. Each output is capable of, and calibrated to, ± 10 volts.
The user may apply a scale factor to all outputs by selecting "Analog Outputs" in the USER MENU.
See Section 7.1.4 – Software Configuration. Amps scaling is applied to all amp channels, volts
scaling is applied to all volt channels and watts scaling is applied to all watt channels.
7.1.1
SPECIFICATIONS
Full scale output range:
±10 V max.
Number of channels:
12
Output update rate (all channels) = 200 samples/sec (5 ms)
User selectable analog output scaling values are set from the front panel. Amp, volt and watt
scaling values correspond to units per analog output volts.
(units/output volt) × displayed measurement value = output volts
Examples:
• +15.000 V1 with volts scaling set to 10 V/V
• -100.00 V1 with volts scaling set to 100 V/V
• +5.000 A1 with amps scaling set to 1 A/V =
• +123.0 W1 with watt scaling set to 100 W/V
7.1.2
= +1.500 V
= -1.000 V
+5.000 V
= +1.230 V
CHANNEL ASSIGNMENTS
Channel
Pin 14
Pin 25
Pin 1
Pin 13
Figure 7–1 Analog Output
Input
Pin Number
1
phase 1, amps
1, 14
2
phase 1, volts
2, 15
3
phase 1, watts
3, 16
4
phase 2, amps
4, 17
5
phase 2, volts
5, 18
6
phase 2, watts
6, 19
7
phase 3, amps
7, 20
8
phase 3, volts
8, 21
9
phase 3, watts
9, 22
10
amps sum
10, 23
11
volts sum
11, 24
12
watts sum
12, 25
OPTIONS
54
Chapter 7 – Optional Features
Magtrol Model 6530 Three-Phase Power Analyzer
7.1.3
HARDWARE CONNECTION
WARNING:
IN PERFORMING THE FOLLOWING PROCEDURE, IT IS
ASSUMED THAT PROPER ESD PROTECTION
PROCEDURES WILL BE IMPLEMENTED. THE
CIRCUITRY INVOLVED IS VERY STATIC SENSITIVE.
If the analog output board is purchased separately, the board will need to be installed in the 6530
with no other setup required. Installation instructions are as follows.
1. Turn the power OFF.
2. Disconnect the line cord.
3. Open the top cover of the unit by unscrewing the top four screws.
Note:
Care should be taken when removing the top cover because there
is a ground strap attached to it.
4. Disconnect the ground strap from the cover and lay the cover aside.
5. Locate the connector J3 / AUX2.
6. On the back of the 6530 is a cover plate associated with that connector. Remove the cover
plate by removing the two screws.
7. Slip the analog output board through the back of the unit and plug it into J3 / AUX2.
8. Using the screws removed from the cover plate, screw the analog output card into position.
9. Replace the top cover by reconnecting the ground strap and replacing the four screws.
10. Finally, plug the line cord in to the back of the unit. When the power is turned on, the 6530
will recognize the card is in place and start sending data to it.
7.1.4
SOFTWARE CONFIGURATION
To configure the 6530 analog output, complete the following steps utilizing the USER MENU
located on the front panel of the unit.
1. Turn on the 6530. See Section 3.1 – Powering Up the 6530.
2. Press ENTER button. The display should appear as shown in Figure 2–3 Device Setup
Menu.
3. Press and buttons until ANALOG OUTPUT appears in the display.
4. Press ENTER button. The display will appear as follows.
CURRENT
VOLTAGE
55
OPTIONS
Figure 7–2 Analog Output Setup Menu
POWER/PF
Chapter 7 – Optional Features
Magtrol Model 6530 Three-Phase Power Analyzer
5. To set amps value, press the RMS button under AMPS and use the buttons in the
USER MENU to adjust the value.
6. To set volts value, press the RMS button under VOLTS and use the buttons in the
USER MENU to adjust the value.
7. To set watts value, press the AVG button under WATTS and use the buttons in
the USER MENU to adjust the value.
8. Press ENTER to exit the Device Setup Menu.
7.1.5
CALIBRATION
7.1.5.1
Closed-Box Calibration
The 6530 features closed-box calibration for the analog output. The advantage of closed-box
calibration is that the user does not have to disassemble the case or make mechanical adjustments.
7.1.5.2
Calibration Schedule
Calibrate the 6530 analog output board:
• After any repairs are performed.
• At least once a year; more frequently to ensure required accuracy.
7.1.5.3
Calibration Commands
The following commands are accessible when the instrument is placed in calibration mode by
holding the SHIFT key while the power is turned on. "CALIBRATION MODE ENABLED" will
appear on the display.
Note:
If the unit has not been placed in calibration mode, all calibration
commands will return "CAL DISABLED" response.
Response to all analog output calibration commands:
Default:
output_string = <NULL_STRING (0x00) ><terminator>
OPTIONS
56
Chapter 7 – Optional Features
Magtrol Model 6530 Three-Phase Power Analyzer
Command Code
7.1.5.4
Function
CMm<terminator>
Sets calibration mode for
analog output D/A
channels.
CGm1,m2<terminator>
Calibrates D/A output
channel gain.
CX<terminator>
Saves all D/A analog
output calibration values to
EEPROM.
Explanation
"m" indicates calibration mode OFF/ON.
Values for m are:
0 = D/A calibration mode OFF
(normal output mode)
1 = Set all D/A output channels
to Positive Full Scale.
(+10 V nominal)
2 = Set all D/A output channels
to Negative Full Scale.
(-10 V nominal)
"m1" indicates D/A channel (1-12).
"m2" indicates the measured D/A channel
output voltage (positive or negative full
scale depending on calibration mode).
---
Basic Calibration Process
1. Turn on the unit with SHIFT button pressed.
2. Send CM1 command. This sets all DAC outputs to 10 volts nominal.
3. Using a volt meter, measure the voltage on the channel.
4. Send the appropriate CG command. See Section 7.1.5.3 – Calibration Commands.
5. Repeat steps 3 and 4 until all 12 channels are complete.
6. Send CM2 command. This sets all DAC outputs to -10 volts nominal.
7. Using a volt meter, measure the voltage on the channel.
8. Send the appropriate CG command. See Section 7.1.5.3 – Calibration Commands.
9. Repeat steps 7 and 8 until all 12 channels are complete.
10. Send CX command to save calibration values.
OPTIONS
57
8. Troubleshooting
Problem
Display indicates I/O ERROR.
No GPIB communication.
No RS-232 communication.
Reason
Solution
Command does not match the
Use correct command and
unit's programmed set of
format.
instructions.
Setup error and/or hardware
fault.
Check:
• GPIB address of power
analyzer.
• GPIB cable - should be
functioning and attached to
power analyzer and computer
interface card.
Setup error and/or hardware
fault.
Check:
• Baud rate of power analyzer.
• Pinout of serial cable.
• Cable attachment to power
analyzer and serial interface
por t of computer.
If you require additional assistance, please contact Magtrol Customer Service at 1-716-668-5555.
MAINTENANCE
58
59
1
2
MTG_HOLE
MH1
1
10uF
C6
C4
TP10
TP6
TP7
TP8
TP9
GND
TAB(OUT) 4
OUT 2
R16
10k
TP4
LT1117-3.3
3 IN
U2
TP2
0.1uF
+5VD
FREQ
R15
10k
R13
10k
1
APPENDICES
J2
$G_+5VD
IRQA
IRQB
IRQC
IRQD
R12
10k
+3VD
C1
0.1uF
TCK
TDI
TDO
TMS
TRST
DE
C13
0.1uF
+3VD
U7
C2
10uF
+3VD
R10
10k
R11
10k
TP3
TP1
PINT/NMI
MODA/IRQA
MODB/IRQB
MODC/IRQC
MODD/IRQD
SC10
SC11
SC12
SCK1
SRD1
STD1
SC00
SC01
SC02
SCK0
SRD0
STD0
HAD0
HAD1
HAD2
HAD3
HAD4
HAD5
HAD6
HAD7
HAS/A0
HA8/A1
HA9/A2
HRW/RD
HDS/WR
HCS/A10
HREQ/TRQ
HACK/RRQ
GND
OUT 3
$G_+3VD
+3VD
C17
0.01uF
TMS
DE
TRST
RESET
C27
0.1uF
8.0000MHz
XTAL_OSC_SMT
2
0.1uF
C5
TCK
TDI
TDO
TMS
TRST
DE
+3VD
141
140
139
142
138
5
20 R1
49 R0
13 RXD
14 TXD
15 SCLK
11
144
143
16
1
2
12
4
3
17
7
10
43
42
41
40
37
36
35
34
33
32
31
22
21
30
24
23
29 TIO0
28 TIO1
27 TIO2
6
137
136
135
134
U10
44 RESET
U1
1 NC/OE VDD 4
R8
10k
+3VD
RXD
TXD
SYNC
SC10
SC11
SC12
SCK1
SRD1
STD1
SC00
SC01
SC02
SCK0
SRD0
STD0
ROW_1
ROW_2
ROW_3
ROW_4
COL_1
COL_2
COL_3
COL_4
CCLK
D/P
DIN
PROG
FREQ
BEEP
TIO2
IRQA
IRQB
IRQC
IRQD
$G_DGND
+3VD
R5
10k
+3VD
93LC56A
8 VCC
CS 1
7 NC
CLK 2
6 ORG
DI 3
5 GND DO 4
3
VSS
RESET
C24
0.1uF
1
3
5
7
9
8MHz
+3VD
TP5
59 CLKOUT
46 PCAP
J9
2
4
6
8
10
63
64
71
62
60
61
52
70
69
51
50
WR
RD
AA0
AA1
AA2
AA3
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
D23
D22
D21
D20
D19
D18
D17
D16
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
C7
0.1uF
TCK
TDI
TDO
C18
0.01uF
C10
0.01uF
R6
10k
+3VD
C28
0.1uF
DSP56303PV100
BR
BB
BG
TA
BCLK
BCLK
CAS
AA0
AA1
AA2
AA3
C9
6800pF
C11
0.01uF
CLKOUT
99
98
97
94
93
92
89
88
85
84
83
82
79
78
77
76
73
72
133
132
131
128
125
124
123
122
121
118
117
116
115
114
113
110
109
108
107
106
105
102
101
100
WR 67
RD 68
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
D23
D22
D21
D20
D19
D18
D17
D16
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
+5VD
AA0
RD
WR
C8
0.1uF
C12
0.01uF
D3
D2
D1
D0
D4
D5
D6
D7
A0
A2
A4
A6
A9
A11
A13
A15
A16
A14
A12
A10
A8
A7
A5
A3
A1
C26
0.1uF
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
C25
C34
0.01uF 0.1uF
C32
0.01uF
SYNC
FSO_V1
SDO_V1
SCO_V1
G0_V1
G1_V1
TEST_V1
FREQ_V1
C21
0.1uF
C22
0.01uF
+5VD
D19
D18
D17
D16
D20
D21
D22
D23
A0
A2
A4
A6
A9
A11
A13
A15
A16
A14
A12
A10
A8
A7
A5
A3
A1
SC00
SC01
SC02
SCK0
SRD0
STD0
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A[0:17]
C19
0.1uF
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
C20
0.01uF
C15
0.1uF
C16
0.01uF
D0
D1
D2
D3
D4
D5
D6
D7
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
+5VD
+5VD
GND
OUT 3
14.31818MHz
CLKIN
0.1uF
C14
+5VD
XTAL_OSC_SMT
2
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
R7
10k
J8
HEADER_2
+5VD
C29
10uF
SYNC
FSO_V3
SDO_V3
SCO_V3
G0_V3
G1_V3
TEST_V3
FREQ_V3
C30
10uF
C31
10uF
SHORTED = BOOT BLOCK WRITE ENABLED
IO_8
IO_9
IO_10
DIN20_SOCKET
J5
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
U4
1 NC/OE VDD 4
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
+3VD
DIN20_SOCKET
J3
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
+5VD
CLKIN
FSO_A3
SDO_A3
SCO_A3
G0_A3
G1_A3
AUX_A3
FREQ_A3
WP 12
RP 10
Vpp 11
MT28F004B3
SC10
SC11
SC12
SCK1
SRD1
STD1
22 CE
24 OE
9 WE
25
26
27
28
32
33
34
35
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
U9
21
20
19
18
17
16
15
14
8
7
36
6
5
4
3
2
1
40
C23
0.1uF
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
AA1
IO_0
IO_1
IO_2
IO_3
IO_4
IO_5
IO_6
IO_7
SYNC
FSO_V2
SDO_V2
SCO_V2
G0_V2
G1_V2
TEST_V2
FREQ_V2
DIN20_SOCKET
J4
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
IDT71V124SA
5 CS
28 OE
12 WE
6 DQ0
7 DQ1
10 DQ2
11 DQ3
22 DQ4
23 DQ5
26 DQ6
27 DQ7
1
2
3
4
13
14
15
16
17
18
19
20
21
29
30
31
32
U5
D[0:23]
DIN20_SOCKET
J6
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
+5VD
CLKIN
FSO_A2
SDO_A2
SCO_A2
G0_A2
G1_A2
AUX_A2
FREQ_A2
+5VD
IDT71V124SA
IDT71V124SA
6 DQ0
7 DQ1
10 DQ2
11 DQ3
22 DQ4
23 DQ5
26 DQ6
27 DQ7
1
2
3
4
13
14
15
16
17
18
19
20
21
29
30
31
32
5 CS
28 OE
12 WE
D11
D10
D9
D8
D12
D13
D14
D15
A0
A2
A4
A6
A9
A11
A13
A15
A16
A14
A12
A10
A8
A7
A5
A3
A1
U6
5 CS
28 OE
12 WE
6 DQ0
7 DQ1
10 DQ2
11 DQ3
22 DQ4
23 DQ5
26 DQ6
27 DQ7
1
2
3
4
13
14
15
16
17
18
19
20
21
29
30
31
32
U8
DIN20_SOCKET
J7
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
+5VD
CLKIN
FSO_A1
SDO_A1
SCO_A1
G0_A1
G1_A1
AUX_A1
FREQ_A1
A[0:17]
D[0:23]
A.1
MODE 1: BYTE WIDE BOOT-STRAP
@ $D00000
MODA = 1
MODB = 0
MODC = 0
MODD = 0 or 1
MCP130
0.1uF
C3
2
VDD
1
RST
+5VD
53 XTAL
55 EXTAL
2
1
U3
Appendix A: Schematics
MAIN BOARD - DSP, RAM, FLASH
60
C47
0.1uF
C48
0.1uF
PAGED
SWAPN
BURST_RDN
FIFO_RDY
MODE
C56
0.1uF
C46
0.1uF
TNT4882
52 NC
26
29
31
30
53
22 CPUACC
32 DRQ
33 DACKN
38 RDY1
34 INTR
14 ABUSN
62 BBUSN
APPENDICES
GPIB_IRQ
DATA15
DATA14
DATA13
DATA12
DATA11
DATA10
DATA9
DATA8
DATA7
DATA6
DATA5
DATA4
DATA3
DATA2
DATA1
DATA0
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
55 CSN
64 WRN
63 RDN
2
3
5
6
7
9
10
11
50
49
47
46
44
43
42
39
19
18
17
16
15
21
98
99
100
C44
0.1uF
BBUS_OEN
ABUS_OEN
C58
0.1uF
1
20
28
REM
23
TRIG
51
DCAS
TADCS
66
LADCS
KEYCLKN
KEYDQ
KEYRSTN
C57
0.1uF
70
79
81
82
84
85
73
76
71
74
77
80
88
89
91
92
95
XTAL0
96
XTAL1
RENN
IFCN
NDACN
NRFDN
DAVN
EOIN
ATNN
SRQN
DIO8N
DIO7N
DIO6N
DIO5N
DIO4N
DIO3N
DIO2N
DIO1N
GND
OUT
VDD
3
4
C43
0.1uF
+5VD
XTAL_OSC_SMT
40.000MHz
2
1 NC/OE
U13
0.1uF
C45
+5VD
9
10
11
12
1
2
3
4
5
6
7
8
24
13
14
15
16
17
18
19
20
21
22
23
40MHz
IEEE488
MH1 MH2
J13
FREQ_LINE
FREQ_EXT
TP11
TP14
D6
R18
10k
+5VD
2
PS2702-1
1
3
U11
0.001uF
C65
4
D7
D1N914
D1N914
+5VD
D5
D1N914
150K
R14
150K
R17
100k
R22
1
BNC
J14
2
1
2
J10
ROW_1
ROW_2
ROW_3
ROW_4
R4
1.5k
1%
R3
1.5k
1%
R1
1.5k
1%
R2
1.5k
1%
RXD
TXD
AUX0
AUX1
+5VD
+5VD
WR
2
4
6
8
10
12
14
V-
V+
GND
1
3
5
7
9
11
13
15
J11
2
4
6
8
10
12
14
16
I/O_D[0:7]
C49
D1N914
0.1uF
I/O_D6
I/O_D4
I/O_D2
I/O_D0
+5VD
COL_4
COL_3
COL_2
J16
MH1
MH2
1
2
3
4
5
6
7
8
9
RS-232
COL_1
RS_RXD
RS_TXD
DTR
CS_VFD
BUSY
C39
10uF
D1N914
D1N914
D1N914
BEEP
D4
D3
D2
D1
13
RX1IN
8
RX2IN
MAX232ACSE
AUX2
14
6
2
C64 0.1uF
TX1OUT
7
TX2OUT
VCC
12 RX1OUT
9 RX2OUT
I/O_D7
I/O_D5
I/O_D3
I/O_D1
J1
5 C2-
0.1uF
1
3
5
7
9
11
13
4 C2+
11 TX1IN
10 TX2IN
3 C1C55
U16
1 C1+
0.1uF
C62
+5VD
C63 0.1uF
15
+5VD
CS_GPIB
WR
RD
I/O_D7
I/O_D6
I/O_D5
I/O_D4
I/O_D3
I/O_D2
I/O_D1
I/O_D0
A4
A3
A2
A1
A0
U14
67 RESETN
16
I/O_D[0:7]
A[0:17]
A.2
RESET
Appendix A: Schematics
Magtrol Model 6530 Power Analyzer
MAIN BOARD - INPUT/OUTPUT, GPIB, RS-232
Appendix A: Schematics
Magtrol Model 6530 Power Analyzer
A.3
MAIN BOARD - FPGA
U12
107
74
72
36
CCLK
PROG
D/P
CCLK
PROGRAM
DONE
MODE
I/O54
I/O55
I/O56/SGCK3
I/O57
I/O58/PGCK3
I/O59
I/O60
I/O61
I/O62
I/O63
I/O64
I/O65
I/O66
I/O67
I/O68
I/O69
I/O70
I/O71
I/O72
I/O73
I/O74
I/O75
I/O76
I/O77
I/O78
I/O79
I/O80
I/O81
I/O82
I/O83/(DIN)
I/O84/SGCK4/(DOUT)
O85/TDO
I/O86
I/O87/PGCK4
I/O88
I/O89
I/O90
I/O91
I/O92
I/O93
I/O94
I/O95
I/O96
I/O97
I/O98
I/O99
I/O100
I/O101
I/O102
I/O103
I/O104
I/O105
I/O106
I/O107
I/O108
I/O109
I/O110
I/O111
I/O112
I/O113
I/O114/SGCK1
38 N/C2
34 N/C1
2
3
4
5
6
7
9
10
11
12
13
14
15
16
19
20
21
22
23
24
25
26
28
29
30
31
32
33
39
40
41
42
43
44
46
47
48
49
50
51
52
53
56
57
58
59
60
61
62
63
65
66
67
WR
I/O_D7
I/O_D6
I/O_D5
TDI_X
TCK_X
I/O_D4
I/O_D3
TMS_X
I/O_D2
I/O_D1
I/O_D0
IO_3
IO_2
IO_7
FSO_A3
IO_5
IO_6
IO_4
D15
D14
D13
D12
D11
D10
D9
D8
SCO_V3
SCO_A1
D7
D6
D5
+3VD
R9
10k
D4
D3
D2
D1
D0
A0
A1
INIT
A2
A3
IO_10
IO_9
IO_8
G0_A1
BUSY
FSO_A1
G1_A1
G0_V1
AUX0
I/O1/PGCK1
I/O2
I/O3
I/O4
I/O5/TDI
I/O6/TCK
I/O7
I/O8
I/O9/TMS
I/O10
I/O11
I/O12
I/O13
I/O14
I/O15
I/O16
I/O17
I/O18
I/O19
I/O20
I/O21
I/O22
I/O23
I/O24
I/O25
I/O26
I/O27
I/O28/SGCK2
I/O29/PGCK2
I/O30/(HDC)
I/O31
I/O32
I/O33
I/O34/(LDC)
I/O35
I/O36
I/O37
I/O38
I/O39
I/O40
I/O41
I/O42/(INIT)
I/O43
I/O44
I/O45
I/O46
I/O47
I/O48
I/O49
I/O50
I/O51
I/O52
I/O53
68
69
70
75
76
77
78
79
80
82
83
84
85
86
87
88
89
92
93
94
95
96
97
98
99
101
102
103
104
105
106
109
111
112
113
114
115
116
117
119
120
121
122
123
124
125
126
129
130
131
132
133
134
135
136
138
139
140
141
142
143
IRQC
USB_IRQ
SCO_V2
TIO2
SCO_V1
AUX1
AUX_A1
AUX2
TEST_V1
IRQD
G1_V1
FREQ_V1
FREQ_A1
FREQ_V2
FREQ_A2
FREQ
FREQ_EXT
FREQ_LINE
FREQ_V3
FREQ_A3
AUX_A2
G1_A3
AUX_A3
G0_A3
IO_0
G1_A2
IO_1
G0_A2
G1_V2
DIN
DOUT
TDO_X
GPIB_IRQ
SCO_A2
IRQB
G0_V2
G1_V3
TEST_V2
J12
1
3
5
7
9
CCLK
D/P
DIN
PROG
+5VD
2
4
6
8
10
TCK_X
TDO_X
TDI_X
TMS_X
TP12
DOUT
G0_V3
TEST_V3
SDO_A1
SDO_A2
SDO_V1
FSO_V1
IRQA
AA2
FSO_A2
SDO_V2
FSO_V2
SDO_A3
CS_GPIB
A17
SDO_V3
FSO_V3
A16
RD
CS_VFD
CS_USB
AA3
SCO_A3
XCS10XL-4TQ144C
+3VD
XCS10XL DECOUPLING CAPS
C41
0.1uF
C42
0.1uF
C40
0.1uF
C37
0.1uF
C36
0.1uF
C33
0.1uF
C35
0.1uF
C38
0.1uF
APPENDICES
61
1
0.012
1%
4
R1
2 SEN+
3SEN-
62
C13
0.1u
C23
0.1u
U2
0_A
D1N914
+5VA_A
V4
1
0_A
C30
0.1u
C7
0.1u
C11
0.1u
U17
OP262GS
C31
0.1u
ADG704
2 -
U1A
3 +
8
V+
C8
0.1u
MH1
1
MTG_HOLE
C12
0.1u
ADG719
TP3
0_A
25
R10
XREF_A
V4
470
R16
OP262GS
7
Bias_A
- 6
U4B
+ 5
8
V+
0_A
V4
1
0_A
GND
OP262GS
+5VA_A
U4A
3 +
8
V+
2 -
5 EN
1 A0
10 A1
ADG704BRM
G0_A
G1_A
+5VA_A
VDD
3
C34
25
0_A
GND
4
C17
1nF
NPO
C21
1nF
NPO
C32
10uF
0_A
R13
25
C16
1nF
NPO
TP6
0_A
R12
2
0.1u
V+
VOUT 6
SHTDWN
U7
REF_A
+5VA_A
REF192FS
D8
C29
0.1u
0_A
0_A
R27
1.2k
DGND_A
+5VD_A
TP5
TP4
+/-1.25V FULL
SCALE
0_A
12 XTAL
11 CLKIN
17 RESET
27 CAL
30 SYNC
7 UNI
22 REF1
24 REF2
16 VIN(-)
VIN(+)
U8
18
+5VA_A
47nF
C15
105.0k
1%
R17
C37
0.1u
0_A
C38
0.1u
7
DGND_A
DGND_A
C35
10uF
+5VD_A
AD7722AS
P/S 8
CFMT/DRDY 4
L1
0
R28
+5VD_A
C22
0.1u
C20
0.1u
1.2k
R22
10k
R23
DGND_A
DGND_A
1mH
31
32
33
34
35
36
37
38
40
41
42
43
44
1
2
3
DVAL/RD 5
CS 29
DGND/DB15
DGND/DB14
DGND/DB13
DGND/DB12
DGND/DB11
DGND/DB10
FSO/DB9
SDO/DB8
SCO/DB7
FSI/DB6
SFMT/DB5
DOE/DB4
TSI/DB3
DGND/DB2
DGND/DB1
DGND/DB0
1nF
10uF
10V, NP
C25
AUX_A
1
0_A
100
R33
0.1u
C39
3 ON/OFF
U37
1 VIN
0_A
C24
10uF
+5VA_A
2
3
3
4
5
PS9711
3
4
5
PS9711
3
4
5
5 -V
6 0V
7 +V
2
1
PS9711
4
2
1
N/C 4
GND 2
Vin 1
U19
R37
470
C88
10uF
+3V
NMV0505S
VOUT 5
3
4
5
U15
5
6
8
1.2k
R39
1.2k
R38
+5V
U13 HCPL0720
2
1
U9
2
1
U10
2
1
U11
PS9711
1
4
PS2701-1
2
3
U17
1
PS2701-1
4
U16
2
3
+5VD_A
DGND_A
R30
470
R31
470
R32
470
R6
10k
R24
10k
1.2k
U18F
12
2
U18D
8
C45
0.1u
+5V
U18C
6
9
74HC14
U18B
4
74HC14
U18A
AUX
GA_1
GA_0
74HC14
74HC14
13
74HC14
5
3
1
+3V
R35
10k
R36
+5V
PS2701-1
1
U14
4
DGND_A
+5VA_A
R26
10k
4
3
2
PS2701-1
U12
1
+5VD_A
R34
1.2k
LP2981AIM5-3.3
+5V
100k
G1_A
C28
0.1u
0_A
R25
G0_A
2 -
0.1u
V4 LM393
U6A
3 +
8
V+
+5VA_A
C33
zero cross detector with hyserisis
XREF_A
V4 OP262GS
C36
R29
10
+5VD_A
6 -
6
DGND1 28
DGND
AGND7 26
25
AGND6 21
AGND5 19
AGND4 15
AGND3 13
AGND2 10
AGND1 9
AGND
0_A
C10
0.1u
C2
10uF
U1
C6
0pF
D1N914
620
0.1%
R11
ADG719BRM
D1
7 S4
4 S3
9 S2
2 S1
U5
+5VA_A
R18
23
14 AVDD2
20 AVDD1
AVDD
C3
0.1u
0.1%
D1
D2
GND
VDD
12.0k 0.1%
R21
0pF
C27
2.4k 0.1%
R20
10pF
150.0k
1%
C9
22nF
2 -
1
63.4k
V4 OP262GS 1%
U2A
3 +
8
V+
U2B
5 +
8
V+
330pF
DVDD
C1
10uF
+5VA_A
R7
9.1k
R3
9.1k
6 IN
8 S2
2 S1
U3
+5VA_A
3
0.1%
+5VA_A
TP2
TP1
330pF
C5
1.2k 0.1%
R8
1.2k
0.1%
C26
49.9k
1%
R4
C4
2.2nF +5VA_A
C14
39
APPENDICES
1
2
7
OP262GS
V4
4
AUX_A
6 -
R15
3
J1
620
0.1%
R9
U1B
5 +
8
V+
C19
22pF
6
2:1 VOLTAGE DIVIDER
IN+
+
IN-
SHUNT
620
0.1%
R2
49.9k
1%
63.4k
1%
R19
4th Order Chebyshev 500 Hz LPF
+5V
C47
10uF
SYNC
CLKIN
CLKIN
FSO_A
SDO_A
SCO_A
GA_0
GA_1
AUX
Freq_A
Freq_A
C42
0.1u
TP7
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
C43
0.1u
74HC14
U18E
10
C40
0.1u
11
UNUSED GATES
SCO_A
SDO_A
FSO_A
TEST
DIN20_PLUG
J2
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
C41
0.1u
+5V
+5V
C44
0.1u
SYNC
FSO_V
SDO_V
SCO_V
GV_0
GV_1
TEST
Freq_V
A.4
R14
47pF
C18
R5
Appendix A: Schematics
Magtrol Model 6530 Power Analyzer
INPUT MODULE - CURRENT
GND 2
63
C80
0.1u
C82
10uF
0_V
2 -
3 +
8
0_V
OP262GS
1
U35A
Bias_V
25
R68
XREF_V
4
7
0_V
OP262GS
0_V
25
0_V
C62
0.1u
C74
1nF
NPO
TP8
C59
10uF
R65
C70
1nF
NPO
C75
1nF
NPO
0_V
R51
1.2k
DGND_V
+5VD_V
TP9
TP10
+
/
0_V
VIN(+)
C54
0.1u
12 XTAL
11 CLKIN
17 RESET
27 CAL
30 SYNC
7 UNI
22 REF1
24 REF2
16 VIN(-)
18
U29
+5VA_V
C55
0.1u
0_V
1nF
26
25
DGND_V
C53
10uF
+5VD_V
0
R47
1mH
L2
AD7722AS
8
P/S
4
CFMT/DRDY
31
32
33
34
35
36
37
38
40
41
42
43
44
1
2
3
5
DVAL/RD
29
CS
DGND_V
OP262GS
7
DGND/DB15
DGND/DB14
DGND/DB13
DGND/DB12
DGND/DB11
DGND/DB10
FSO/DB9
SDO/DB8
SCO/DB7
FSI/DB6
SFMT/DB5
DOE/DB4
TSI/DB3
DGND/DB2
DGND/DB1
DGND/DB0
4
V-
V+
C56
R48
10
6
28
V-
V+
4
GND
6
0.1u
VOUT
3
SHTDWN
V+
U30 2
R66
25
0_V
REF_V
+5VA_V
C57
REF192FS
0_V
+5VD_V
DGND
6 -
U35B
5 +
8
+5VA_V
- 6
Bias_V
GND
AGND6
21
AGND5
19
AGND4
15
AGND3
13
AGND2
10
AGND1
9
AGND
470
1
U33A
OP262GS
0_V
4
V-
V+
8
+5VA_V
R62
4
V-
5 EN
1 A0
10 A1
ADG704BRM
U33B
8
+ 5
V+
OP262GS
7
2 -
3 +
+5VA_V
G0_V
G1_V
12.0k 0.1%
47nF
C76
105.0k
1%
6 -
DGND1
MTG_HOLE
MH2
1
TP12
620
0.1%
R67
7 S4
D 8
63.4k
1%
R61
AVDD
C84
0.1u
C79
0.1u
4
V-
V+
R58
4 S3
9 S2
0_V
4 OP262GS
V-
R60
23
14 AVDD2
20 AVDD1
C61
0.1u
C60
0.1u
D1N914
D1N914
C65
0pF
2 -
1
U34B
5 +
8
C77 330pF
AGND7
C68
0.1u
C78
0.1u
C85
0pF
D3
D4
+5VA_V
TP11
VDD
150.0k 1%
49.9k
1%
C81
22nF
R71
R72
V+
U34A
3 +
8
R59
63.4k
1%
DVDD
0_V
C87
0.1u
0.1%
2.4k
1%
2.0M
C83
10uF
+5VA_V
R69
R73
+5VA_V
2 S1
U32
+5VA_V
3
39
APPENDICES
1
2
2.4k 0.1%
10pF
R57
C64
1.2k 0.1%
R63
22pF
C72
620 0.1%
R64
6
J3
C73
+5VA_V
C86 2.2nF
C66
C69
0.1u
C71
0.1u
DGND_V
C63
0.1u
0_V
C67
10uF
C52
0.1u
+5VA_V
100
R50
G1_V
G0_V
100k
0_V
1.2k
+5VD_V
1
0_V
4 LM393
V-
0.1u
R53
2 -
V+
U31A
3 +
8
R56
10k
R55
DGND_V
XREF_V
10V, NP
10uF
+5VA_V
C58
DGND_V
R46
470
R45
470
R44
470
2
3
3
4
5
PS9711
3
4
5
PS9711
3
4
5
PS9711
2
1
Vin
GND
U20
2
1
PS9711
4
2
1
NMV0505S
5 -V
6 0V
7 +V
3
4
5
U23
5
6
8
U24 HCPL0720
2
1
U28
2
1
U27
2
1
U26
R43
470
C46
0.1u
1.2k
R42
1.2k
8
U36F
3
12
+5V
74HC14
10
74HC14
U36E
+5V
74HC14
U36C
6
74HC14
U36D
U36B
4
13
11
9
+3V
5
74HC14
R41
10k
R40
+5V
+5V
1
4
PS2701-1
U22
2
PS2701-1
3
3
4
1
U21
PS2701-1
U25
4
DGND_V
+5VD_V
R54
10k
R52
10k
+5VA_V
2
1
+5VD_V
R49
1.2k
GV_1
C50
0.1u
GV_0
C49
0.1u
SYNC
CLKIN
Freq_V
C48
0.1u
C51
0.1u
FSO_V
C89
0.1u
74HC14
U36A
2
SCO_V
SDO_V
1
A.5
47pF
R70
49.9k
1%
Magtrol Model 6530 Power Analyzer
Appendix A: Schematics
INPUT MODULE - VOLTAGE
Appendix A: Schematics
A.6
Magtrol Model 6530 Power Analyzer
KEY PAD
APPENDICES
64
U14
93C56
8
7
6
5
R23
+ C21
10uF
STD1
470
R31
470
R30
470
R32
1
2
1
2
1
2
4
5
4
5
5
GND 3
4
VCC 5
65
J2–B10
J2–B9
J2–B8
J2–B7
J2–B6
J2–B5
J2–B4
J2–B3
1010
109
DGND
DGND
+
C7
10uF
1 NC
–
+
2
3
U6
LM4431
DGND
C6
1
AGND
R28
10.0k
+5V
100k
AGND
-15VA
4
5 +U7-B
6–
8
7
LT2078
20.5k
+15VA
R29
10.1k
R21
10.0k
AGND
1
R22
2 –U7-A
3+
LT2078
– VREF
+ VREF
3
4
DGND
+5VD
GND
2
1
GND
VIN
-15V
AGND
+15V
3
4
VR2
DCDCNMH0515S
-15V
C17 + C18
0.1
10uF
C19 + C20
0.1
10uF
+15V
L2 1MH
DGND2 AGND
L4 1MH
L3 1MH
1 IN
C5
0.1
C4
0.1
3
GND
-15VA
C9
0.1
C3
1
L1 1MH
C1
0.1
C8
1
+15VA
OUT 2
VR1
LM7805CT
+
+
+
C2
0.1
C14
10uF
C10
0.1
C13
1OuF
C11
0.1
C12
10uF
+5V
Analog Output – drawing 1 of 4
1 CS VCC
2 CLK NC
3 DI ORG
4 DO GND
2
RESET
A.7.1
J2–B2
470
SYNC
DATAIN
CLOCK
U9 MCP130
2 VCC OUT 3
1 GND
ANALOG OUTPUT
J2–B1
J2–A10
J2–A9
R33
+5V
A.7
APPENDICES
J2–A8
LOAD
U11
U11
97110PT0 9711DPTD
GND 3
VCC
U10
97110PT0
GND 3
VCC
VCC
3.3V
4
SCK1
1
J2–A7
R34
10.0k
DGND
2
GND
ON/OFF NC
VIN
VOUT 5
3.3V
U13
97110PT0
108
SC12
SC11
SC10
3
1
VR3
LP2981
U12
97110PT0
J2–A6
J2–A5
J2–A4
J2–A3
J2–A2
J2–A1
C16 + C15
1
10uF
+5VD
3.3V
Magtrol Model 6530 Power Analyzer
Appendix A: Schematics
Appendix A: Schematics
A.7.2
Magtrol Model 6530 Power Analyzer
Analog Output – drawing 2 of 4
+15VA
D1
BAT54S
2
R35
LT2079
3
–VREF
+
1
U5-A
VREF –
10k
4
+15VA
D2
BAT54S
VOUT1 22
AD7834
VOUT2 6
5
VOUT3
21
6
VOUT4
7
DSG
AMPS PHASE 1
J1-14
-15VA
VREF +
3
1
VSS
9
23
VDD
VCC
PAEN
PA0
PA1
PA2
PA3
PA4
FSYNC
DIN
SCLK
LDAC
CLR
28 AGND
8 DGND
2
SYNC
DATAIN
CLOCK
LOAD
RESET
17
12
13
14
15
16
18
11
10
19
20
499
3
R17
R18
10k
U8
J1-1
1
C22 0.01
+VREF
–15VA
+15VA
+5V
2
LT2079
+
2
R36
7
U5-B
J1-2
1
C23 0.01
10k
VOLTS PHASE 1
J1-15
3
-15VA
R20
R19
10k
499
+15VA
DGND2
D3
BAT54S
LT2079
10
AGND
9
+
2
R37
8
U5-C
1
C24 0.01
J1-16
3
10k
+15VA
-15VA
13
+
J1-23
AMPS SUM
2
11
14
U5-D
J1-10
D4
BAT54S
LT2079
12
WATTS PHASE 1
-15VA
R27
R26
10k
J1-3
499
R37
1
499
AGND
4
3
+15VA
-15VA
C25 0.01
R25
10k
R24
10k
APPENDICES
66
Appendix A: Schematics
Magtrol Model 6530 Power Analyzer
A.7.3
Analog Output – drawing 3 of 4
+15VA
3+
D5
BAT54S
2
LT2079
R40
1
2 –U1-A
1
–VREF
+VREF
4
3
VREF –
VOUT1 22
AD7834
VOUT2 6
DSG
R1
-15VA
10k
+15VA
LT2079
5+
U1-B 7
6 –
VREF +
+15VA
–15VA
VSS
1
23
9
VCC
PAEN
PA0
PA1
PA2
PA3
PA4
FSYNC
DIN
SCLK
LDAC
CLR
VDD
+5V
SYNC
DATAIN
CLOCK
LOAD
RESET
17
12
13
14
15
16
18
11
10
19
20
28 AGND
8 DGND
2
U3
VOUT3
21
VOUT4
7
D6
BAT54S
2
R39
10
9–
DGND2
J1-18
R4
-15VA
10k
+15VA
D7
BAT54S
2
R41
8
U1-C
VOLTS PHASE 2
499
3
LT2079
+
J1-5
1
C27 0.01
R3
10k
AMPS PHASE 2
J1-17
3
C26 0.01
R2
10k
J1-4
499
J1-6
1
C28 0.01
WATTS PHASE 2
499
3
J1-19
AGND
-15VA
R12
R11
10k
10k
+15VA
-15VA
D8
BAT54S
LT2079
12 + 11
13 –U1-D
4
J1-11
2
R42
14
1
VOLTS SUM
J1-24
499
3
AGND
+15VA
C29 0.01
-15VA
R10
10k
R9
10k
APPENDICES
67
Appendix A: Schematics
A.7.4
Magtrol Model 6530 Power Analyzer
Analog Output – drawing 4 of 4
+15VA
3+
D9
BAT54S
2
LT2079
R44
1
2 –U2-A
1
–VREF
+VREF
4
3
VREF –
VOUT1 22
AD7834
VOUT2 6
DSG
R5
-15VA
10k
+15VA
LT2079
5+
U2-B 7
6 –
VREF +
+15VA
–15VA
VSS
1
23
9
VCC
PAEN
PA0
PA1
PA2
PA3
PA4
FSYNC
DIN
SCLK
LDAC
CLR
VDD
+5V
SYNC
DATAIN
CLOCK
LOAD
RESET
17
12
13
14
15
16
18
11
10
19
20
28 AGND
8 DGND
2
U4
VOUT3
21
VOUT4
7
D10
BAT54S
2
R43
10
9–
DGND2
J1-21
R8
-15VA
10k
+15VA
D11
BAT54S
2
R45
8
U2-C
VOLTS PHASE 3
499
3
LT2079
+
J1-8
1
C31 0.01
R7
10k
AMPS PHASE 3
J1-20
3
C30 0.01
R6
10k
J1-7
499
J1-9
1
C32 0.01
WATTS PHASE 3
499
3
J1-22
AGND
-15VA
R16
R15
10k
10k
+15VA
-15VA
D12
BAT54S
LT2079
12 + 11
13 –U2-D
4
J1-12
2
R46
14
1
WATTS SUM
J1-25
499
3
AGND
+15VA
C33 0.01
-15VA
R14
10k
R13
10k
APPENDICES
68
Glossary
Following is a list of abbreviations and terms used in this manual. For a list of symbols and abbreviations used on
the 6530 display, refer to Section 2.3.2 – Display Guide.
Active Power............... The sum of the instantaneous volts input multiplied by the instantaneous amps input = true
power = watts.
Apparent Power ......... The product of volts root mean square and amps root mean square.
DSP .............................. Digital Signal Processing
EXT. SYNC. ............... External Synchronization. Using an external source to synchronize the measurements in
cycle-by-cycle mode.
GPIB ........................... General Purpose Interface Bus. IEEE-488 Instrument Bus Standard.
IEEE ............................ Institute of Electrical and Electronics Engineers. Organization best known for developing
standards for the computer and electronics industry.
Inrush (↑) ................... The initial current that is drawn when an electronic device is turned on. The inrush current
can be substantially higher in magnitude than when the circuit is at its steady state.
MOV............................ Metal Oxide Varistor – transient suppressor, needed when inductive loads are used.
PA ................................ Power Analyzer
PC ................................ Personal Computer
PF ................................ Power Factor = COSØ = True Power/(Vrms x Irms)
RMS ............................ Root Mean Square
RS-232 ......................... Recommended Standard-232C, a standard interface approved by the Electronic Industries
Association (EIA) for connecting serial devices.
Summation ................. Mathematical sum of all currents entering the unit.
True Power ................. The sum of the instantaneous volts input multiplied by the instantaneous amps input =
active power = watts.
VA ................................ Volt Amperes
W ................................. Watts = Vrms x Irms x COSØ = True Power = Active Power, where Ø is the phase angle
between V and I.
APPENDICES
69
Index
Symbols
Continuous Mode 41
Contrast Settings 8
Controls 5, 6
Crest Factor 41
Current. See also Amps
Current Overload 15
Current/Potential Transformer Connection 26
Custom Display 31
Custom Main Menu 15
Cycle-by-Cycle Mode 29, 41
1-Phase, 2-Wire 18
1-Phase, 3-Wire 19
3-Phase, 3-Wire 20
3-Phase, 4-Wire 21
3-Volt, 3-Amp 22
A
Abbreviations Used 9
Active Power 17, 69
Amp Scaling 26
Amp Scaling Setup Menu 26
Amps. See also Current
Amps Gain 33
Amps Input 10
Amps Signal 33
Analog Output 11
Hardware Connection 55
Setup Menu 55
Software Configuration 55
Analog Outputs 54–57
Analog Processing 32
Apparent Power 17, 69
Average Mode 30
D
Data Format 45
Data Output Commands 50
Data Sheet 2
Data Termination Characters 46
Digital Processing 34–39
DSP. See Digital Processing
E
Ext. Sync. 11, 69
External Sensor 10, 24
External Sensor Scale Factor Setup Menu 25
External Shunt 34
B
F
Baud Rate 44
Buttons 5, 6
Features 1
Front Panel 5
Functions. See also Controls and Buttons
C
G
Calibration 56
Commands 51, 56
Mode 52
Process 52–53, 57
Schedule 51, 56
Setup 52
Channel Assignments 54
Circuit Breakers 16
Closed-Box Calibration 51, 56
Commands
Calibration 51, 56
Configuration 47
Data Output 50
Communication Commands 47
Communication Parameters 44
Configuration Commands 47
Connection
6530-to-PC 44
Analog Output Board 55
RS-232 43
Gain
Amps 33
Volts 32
GPIB
Installation 42
Primary Address 42
GPIB Interface 42
GPIB/IEEE-488 11
H
Hold Mode 30
I
IEEE-488. See GPIB/IEEE-488
Input Module 10
Inputs 10. See also Outputs
Amps Input 10
Ext. Sync. 11
External Sensor 10
Voltage Input 10
70
Index
Magtrol Model 6530 Three-Phase Power Analyzer
Inrush 69
Inrush Current 40
Interrupt Driven
AC 35
DC 37
RS-232 Interface 43
RS-232C 11
S
Scaling Activated 27
Secondary Functions 6
Self-Test 13
Sensor Substitution 24
Setup 17–31
Signal
Amps 33
Volts 32
Single-Phase, Three-Wire 19
Single-Phase, Two-Wire 18
Summation 69
Summation Main Menu 14
Surge Protection 15
Symbols Used 9
L
Line Voltage 13
M
Main Menu 14
Main Program
AC 36
DC 38
Measurement Filter 23
Measurement Methods 41
Measurement Modes 39–41
Menus
Amp Scaling Setup Menu 26
Analog Output Setup Menu 55
Custom Main Menu 15
External Sensor Scale Factor Setup Menu 25
Main Menu 14
Phase Main Menu 14
Summation Main Menu 14
Volt Scaling Setup Menu 28
Metal Oxide Varistor 15, 69
MOV. See Metal Oxide Varistor
T
Testing Instrumentation Setup 17–31
Three-Phase, Four-Wire 21
Three-Phase, Three-Wire 20
Three-Volt, Three-Amp 22
Transient Overloads 15
Transient Voltage Suppression 16
Troubleshooting 58
U
O
Unpacking 1
Output Amps 46
Output Element 46
Output Frequency 46
Output Total 45
Output Volts 46
Output Watts 46
Outputs 10. See also Inputs
Analog Output 11
V
Vacuum Fluorescent Display 8
VFD. See Vacuum Fluorescent Display
Volt Scaling Setup Menu 28
Voltage Gain 32
Voltage Input 10
Voltage Signal 32
Volts Scaling 28
P
W
Peak 39
Peak Hold 31, 40
Phase Main Menu 14
Phase Setup 29
Primary Address 42
Programming 46
Wiring Modes 17–31
R
Rear Panel 10
Remote Voltage Sense 16
RMS 41, 69
Round-Off Error 39
RS-232
Connection 43
71
Magtrol Limited Warranty
Magtrol, Inc. warrants its products to be free from defects in material and workmanship under normal use and
service for a period of 24 months from the date of shipment. Software is warranted to operate in accordance with
its programmed instructions on appropriate Magtrol instruments. This warranty extends only to the original purchaser
and shall not apply to fuses, computer media, or any other product which, in Magtrol’s sole opinion, has been
subject to misuse, alteration, abuse or abnormal conditions of operation or shipping.
Magtrol’s obligation under this warranty is limited to repair or replacement of a product which is returned to the
factory within the warranty period and is determined, upon examination by Magtrol, to be defective. If Magtrol
determines that the defect or malfunction has been caused by misuse, alteration, abuse or abnormal conditions of
operation or shipping, Magtrol will repair the product and bill the purchaser for the reasonable cost of repair. If the
product is not covered by this warranty, Magtrol will, if requested by purchaser, submit an estimate of the repair
costs before work is started.
To obtain repair service under this warranty, purchaser must forward the product (transportation prepaid) and a
description of the malfunction to the factory. The instrument shall be repaired at the factory and returned to
purchaser, transportation prepaid. MAGTROL ASSUMES NO RISK FOR IN-TRANSIT DAMAGE.
THE FOREGOING WARRANTY IS PURCHASER’S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF
ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED
WARRANTY OF MERCHANTABILITY, OR FITNESS FOR ANY PARTICULAR PURPOSE OR USE.
MAGTROL SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES OR LOSS WHETHER IN CONTRACT, TORT, OR OTHERWISE.
CLAIMS
Immediately upon arrival, purchaser shall check the packing container against the enclosed packing list and shall,
within thirty (30) days of arrival, give Magtrol notice of shortages or any nonconformity with the terms of the order.
If purchaser fails to give notice, the delivery shall be deemed to conform with the terms of the order.
The purchaser assumes all risk of loss or damage to products upon delivery by Magtrol to the carrier. If a product
is damaged in transit, PURCHASER MUST FILE ALL CLAIMS FOR DAMAGE WITH THE CARRIER to obtain
compensation. Upon request by purchaser, Magtrol will submit an estimate of the cost to repair shipment damage.
72
Route de Moncor 4B
1701 Fribourg, Switzerland
Phone: +41 (0)26 407 3000
Fax: +41 (0)26 407 3001
E-mail: [email protected]
Subsidiaries in:
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of Sales Agents
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SWISS
TI
ISO 9001
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Phone: +1 716 668 5555
Fax: +1 716 668 8705
E-mail: [email protected]
CER
MAGTROL INC
www.magtrol.com
TI
Testing, Measurement and Control of Torque-Speed-Power • Load-Force-Weight • Tension • Displacement
FIC A