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11
Smart Relay 4 Installation and Operation Manual
INSTALLATION
Slave Relay Connection:
The slave output can be used to drive one or all of the other sections and/or addi-
tional SR-4’s. Connect a jumper wire between each of the “SL” terminals.
Mounting:
Mount up to two units on the RM-3 or up to twelve on the RA-12.
! NOTE:
Special brackets are required for DIN rail mounting. Please contact the
factory for information and pricing.
Power:
The supplied 9vac wall transformer may be used to power the SR-4. Up to three
additional SR-4’s may be powered from the same wall transformer by unitizing the
supplied daisy chain cable. The user may also power the SR-4 from the punch block
if this option is employed.
RJ-21X option:
To install this option, follow the steps below:
1. Remove power from the SR-4.
2. Remove the cover.
3. Locate J4, the 50-pin shrouded keyed header.
4. Insert the 50-pin IDC KEYED connector into J4 (it only inserts one way).
5. Lay the ribbon cable over terminals TB2 and TB3.
6. Carefully install the cover, while tucking the ribbon cable under the cover lip.
7. Install the AMP champ 50-pin connector in to the user supplied RJ-21X
punch block connector.
8. Follow the spreadsheet on the next page for wiring information.
9. Reapply power to the SR-4 when the installation is complete.
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