Figure 7.1-20—Implementation of Independence Between Safety and Non-Safety I&C Safety I&C

U.S. EPR FINAL SAFETY ANALYSIS REPORT
Figure 7.1-20—Implementation of Independence Between Safety and Non-Safety I&C
SCDS
Safety I&C
Non-Safety I&C
SDM
PS/SAS
FUNCTIONAL UNIT
(APU, ALU, CU)
Input Module
MSI
Function
Processor
Communication
Module
Fiber Optic
Communication
Module
Function
Processor
Communication
Module
EOC
Communication
Module
EOC
Fiber Optic
Fiber Optic
QDS
(SICS)
EOC
Gateway
EOC
PICS
Output
Module
PACS
Priority
Module
Communication
Interface
Module
Fiber Optic
LEGEND
SYSTEM BOUNDARY
SAFETY RELATED
EQUIPMENT
NOTES
HARDWIRED
CONNECTION
POINT TO POINT
DATA CONNECTION
NETWORKED
DATA CONNECTION
NON-SAFETY RELATED
EQUIPMENT
The interface from the
Service Unit to the safety
I&C systems is not shown
on this figure. The Service
Unit interface is shown in
the Digital Protection
System Technical Report
(ANP-10309P) (Reference 6).
QUALIFIED ISOLATION
DEVICE
REV 003
EPR3095 T2
Tier 2
Revision 4
Page 7.1-187
U.S. EPR FINAL SAFETY ANALYSIS REPORT
Figure 7.1-21—Deleted
Tier 2
Revision 4
Page 7.1-188
U.S. EPR FINAL SAFETY ANALYSIS REPORT
Figure 7.1-22—Distributed Control System Physical Architecture
Controlled Area
Switchyard
(UAA)
Protected Area
Switchgear
Building
(UBA)
Turbine Building
(UMA)
PAS (Train 1)
Essential Service Water
Pump Structure #3
(3UQB)
Essential Service Water
Pump Structure #4
(4UQB)
SCDS (Div 3)
SAS (Div 3)
PAS (Div 3)
PACS (Div 3)
SCDS (Div 4)
SAS (Div 4)
PAS (Div 4)
PACS (Div 4)
PAS (Train 2)
Safeguard Building 2
(2UJK)
SICS
Circulating Water Cooling
Tower Structure
(URA)
PAS (Train 1)
PAS (Train 2)
Emergency Power
Generating Building #2
(2UBP)
PICS
(NOTES 3&4)
Safeguard Building 3
(3UJK)
SICS
SCDS (Div 2)
DAS (Div 2)
PS (Div 2)
SAS (Div 2)
RCSL (Div 2)
PAS (Div 2)
PACS (Div 2)
SCDS (Div 2)
SAS (Div 2)
PAS (Div 2)
PACS (Div 2)
Emergency Power
Generating Building #1
(1UBP)
PICS
SCDS (Div 1)
DAS (Div 1)
PS (Div 1)
SAS (Div 1)
RCSL (Div 1)
PAS (Div 1)
PACS (Div 1)
Essential Service Water
Pump Structure #1
(1UQB)
Essential Service Water
Pump Structure #2
(2UQB)
SCDS (Div 1)
SAS (Div 1)
PAS (Div 1)
PACS (Div 1)
SCDS (Div 2)
SAS (Div 2)
PAS (Div 2)
PACS (Div 2)
Emergency Power
Generating Building #3
(3UBP)
SCDS (Div 3)
DAS (Div 3)
PS (Div 3)
SAS (Div 3)
RCSL (Div 3)
PAS (Div 3)
PACS (Div 3)
Safeguard Buidling 1
(1UJK)
SCDS (Div 1)
SAS (Div 1)
PAS (Div 1)
PACS (Div 1)
(NOTE 3)
SCDS (Div 3)
SAS (Div 3)
PAS (Div 3)
PACS (Div 3)
Safeguard Building 4
(4UJK)
Reactor Building
(UJA)
Fuel Building
(UFA)
SCDS (Div 4)
DAS (Div 4)
PS (Div 4)
SAS (Div 4)
RCSL (Div 4)
PAS (Div 4)
PACS (Div 4)
Emergency Power
Generating Building #4
(4UBP)
SCDS (Div 4)
SAS (Div 4)
PAS (Div 4)
PACS (Div 4)
NOTES
1. Not drawn to scale
2. Only buildings that contain DCS
systems are shown. DCS systems
do not reside in buildings other than
those shown here.
3. Redundant switches and
gateways within the PS, SAS and
RCSL for communications with PICS
are located in the computer rooms in
Safeguard Buildings 2 and 3.
PAS (Div 4)
PAS (Div 4)
Nuclear Auxiliary Building
(UKA)
Radioactive Waste
Processing Building
(UKS)
4. Engineering Workstations for the
SICS, PICS, PS, SAS, RCSL, and PAS
are located in the I&C service center,
which is located in Safeguard
Building 2.
EPR3101 T2
Tier 2
Revision 4
Page 7.1-189
U.S. EPR FINAL SAFETY ANALYSIS REPORT
Figure 7.1-23—Signal Conditioning and Distribution System Architecture
SIGNAL CONDITIONING AND DISTRIBUTION SYSTEM
SICS DAS
PS
SAS RCSL PAS
SICS
DAS
RCSL
PAS
SICS DAS
PS
SAS RCSL PAS
SICS
DAS
RCSL
PAS
SICS DAS
PS
SAS RCSL PAS
SICS
DAS
RCSL
PAS
SICS DAS
PS
SAS RCSL PAS
SICS
DAS
RCSL
PAS
SCDS
DIVISION 1
Signal Distribution Module(s)
Signal Conditioning
Module(s)
SENSORS/
BLACK BOXES
DIVISION 2
Signal Distribution
Module(s)
Signal Conditioning
Module(s)
SENSORS/
BLACK BOXES
Signal Distribution Module(s)
Signal Conditioning
Modules(s)
SENSORS/
BLACK BOXES
DIVISION 4
DIVISION 3
Signal Distribution
Module(s)
Signal Distribution Module(s)
Signal Conditioning
Module(s)
SENSORS/
BLACK BOXES
Signal Conditioning
Module(s)
SENSORS/
BLACK BOXES
Signal Distribution
Module(s)
Signal Conditioning
Module(s)
SENSORS/
BLACK BOXES
NOTES
1. MULTIPLE SIGNAL
CONDITIONING MODULES
OR SIGNAL DISTRIBUTION
MODULES MAY BE USED
AS NEEDED.
2. FOR DISTRIBUTION OF
SPND SIGNALS, EACH
DIVISION OF SCDS SENDS
18 SPND SIGNALS TO ALL
FOUR PS DIVISION.
Signal Distribution Module(s)
Signal Conditioning
Module(s)
SENSORS/
BLACK BOXES
Signal Distribution
Module(s)
Signal Conditioning
Module(s)
SENSORS/
BLACK BOXES
LEGEND
SYSTEM BOUNDARY
HARDWIRED
CONNECTION
SAFETY RELATED (SR)
EQUIPMENT
NON-SAFETY RELATED
(NSR) EQUIPMENT
QUALIFIED ISOLATION
DEVICE
EPR3102 T2
Tier 2
Revision 4
Page 7.1-190
U.S. EPR FINAL SAFETY ANALYSIS REPORT
Figure 7.1-24—Self Powered Neutron Detector Functional Arrangement
INCORE INSTRUMENTATION SYSTEM
SIGNAL CONDITIONING
AND DISTRIBUTION
SYSTEM
SCDS Cabinet
Incore Instrumentation System Cabinet
PS Div 1
SPND
Co 60
Compensation
Signal Multiplier
Signal Distribution
Module
PS Div 2
PS Div 3
PS Div 4
Amplifier
RCSL
Signal Distribution
Module
Amplifier Card
PAS
Gain Adjustment
SIMPLIFIED SIGNAL PATH
LEGEND
SYSTEM BOUNDARY
HARDWIRED
CONNECTION
SAFETY RELATED (SR)
EQUIPMENT
NON-SAFETY RELATED
(NSR) EQUIPMENT
QUALIFIED ISOLATION
DEVICE
EPR3103 T2
Tier 2
Revision 4
Page 7.1-191
U.S. EPR FINAL SAFETY ANALYSIS REPORT
Figure 7.1-25—Rod Position Measurement System Arrangement
ROD POSITION MEASUREMENT SYSTEM
Control Rod
Power
Supply
Upper End Coil
Upper End Position
Primary Coil
DCS
(PAS)
Analog Position
Coil
DCS
(SCDS)
Analog Rod Position
(Temperature Compensated)
Rod Position Measurement Unit (RPMU)
(Div 1)
Lower End Position
(TXS Processing Unit)
DCS
(SCDS)
Bottom End Coil
Primary Coil Temperature
NOTE – Position Coils are part
of the CRDM housing and not part of the RPMS
Signal Conditioning
Module
MSI
(Div 1)
Div
2
Div
3
Div
4
LEGEND
HARDWIRED
KEY SWITCH
SYSTEM BOUNDARY
HARDWIRED
CONNECTION
POINT TO POINT
DATA CONNECTION
SAFETY RELATED
EQUIPMENT
SU
NON-SAFETY RELATED
EQUIPMENT
EPR3104 T2
Tier 2
Revision 4
Page 7.1-192
U.S. EPR FINAL SAFETY ANALYSIS REPORT
Figure 7.1-26—Control Rod Drive Control System Arrangement
Control Rod Drive Control System
CRDCS Cabinet
RCSL
Rod Control
Unit
DAS
RCSL
Rod Control
Unit
DAS
RCSL
DAS
Rod Control
Unit
Coil Module
(Control
Transistors)
Lift Coil
Coil Module
(Control
Transistors)
Movable
Gripper
Coil
Coil Module
(Control
Transistors)
Stationary
Gripper
Coil
Coil Module
(Control
Transistors)
Lift Coil
Coil Module
(Control
Transistors)
Movable
Gripper
Coil
Coil Module
(Control
Transistors)
Stationary
Gripper
Coil
Coil Module
(Control
Transistors)
Lift Coil
Coil Module
(Control
Transistors)
Movable
Gripper
Coil
Coil Module
(Control
Transistors)
Movable
Gripper
Coil
Coil Module
(Control
Transistors)
24 VDC
Power
Supply
Module
RCCA 3
Lift Coil
Coil Module
(Control
Transistors)
Rod Control
Unit
DAS
RCCA 2
Stationary
Gripper
Coil
Coil Module
(Control
Transistors)
RCSL
RCCA 1
RCCA 4
Stationary
Gripper
Coil
Trip Contactor Module
24 VDC
Power
Supply
Module
PS
Main Trip
Breakers
PS
DAS
250 VDC
EPR3106 T2
Tier 2
Revision 4
Page 7.1-193
U.S. EPR FINAL SAFETY ANALYSIS REPORT
Figure 7.1-27—Turbine Trip Logic within Turbine Generator I&C
DAS DIVISION 1
PS DIVISION 1
2 out of 4
2 out of 4
2 out of 4
TG I&C
DIVISION 1
TG I&C
DIVISION 2
OR
2 out of 4
2 out of 4
2 out of 4
TG I&C
DIVISION 3
OR
OR
TURBINE GENERATOR
INSTRUMENTATION & CONTROL
LEGEND
SYSTEM BOUNDARY
HARDWIRED
CONNECTION
SAFETY RELATED (SR)
EQUIPMENT
NON-SAFETY RELATED
(NSR) EQUIPMENT
QUALIFIED ISOLATION
DEVICE
Hydraulic System Trip Block (2 Out of 3)
EPR3428 T2
Tier 2
Revision 4
Page 7.1-194