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Power Automation and Protection Division
Schematic - - - - - - - - - - - - - - 1618C35
Component Location Diagram - - - - 1618C45
The Interconnect module (see Figure B-1 and Schematic) becomes the floor of the inner chassis and provides
electrical connectors for all other modules; it connects from the Backplane module (at the rear), to the Analog
Input and Power Supply modules (at the left and right sides, respectively), to the Relay Output and Contact Input
modules, in the center, and to the Microprocessor and Display modules at the front of the chassis. The compo-
nents on the Interconnect module include:
• Optoisolated Transistor Output for Communication Transmitter Keying
Selection for transmitter keying is provided by JMP7:
Position
1-2
3-4
5-6
Factory setting is 5-6 (15/20 Vdc)
• Communication Receiver Interface Between Optoisolated Inputs on the Contact
Input Module and the Microprocessor Module
• Channel alarm relay
This interface also includes signal polarity inversion controlled by jumpers.
The Jumper assignments are:
JMP1
JMP2
JMP3
JMP4
JMP5
JMP6
Related connections are shown below:
Connector
J11, J12, J13
J7
J9
J5
JB1
JB2
JB3
JB4
REL 352 Version 1.00
INTERCONNECT MODULE
Channel Fail
MARK 2
Position 1-2 Inverted (Factory setting)
SPACE 2
MARK 1
Position 2-3 normal
SPACE 1
KEY OUT
Voltage
125 Vdc
48 Vdc
15/20 Vdc
Module
Destination
Backplane
Power Supply
Analog Input
Microprocessor
Relay Output (Single Pole Trip)
Relay Output (Base 1)
Relay Output (Base 2)
Contact Input
I.L. 40-201.9
A
P
P
E
N
D
I
X
B
B-1
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