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Power Automation and Protection Division
Operator
Interface
J1, J2
A/D Sub-
System
Interface
φ
J5
EPROM
32k x 16
32k x 16
Contact
Input
Interface
EEPROM
φ
8k x 8
J6
Real-Time
REL 352 Version 1.00
INCOM
Network
PONI Interface
J6
Processor
P1
1/U2
1/U1,U14
RAM
2/U7, U23
2/U26
Clock
2/U16
Figure E-1. Microprocessor Module Block Diagram
Processor
Dual Port
RAM
2k x 16
4/U32
I.L. 40-201.9
Communication
Modem Interface
J6
φ
φ
J6
P2
φ
3/U41
J6
EPROM
32k x 16
3/U31, U46
RAM
8k x 16
4/U39, U47
5 V Regulator
Power Supply
φ
U36
J3 +8.5V
ESK00052
Relay
Outputs
Reed
Relay
A
Inputs
P
P
E
N
D
I
X
E
E-3
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