880 Relay Option Card Installation
2
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Panel Mount Installation
1. Disconnect power to the indicator.
2. Unhook the controller assembly from the front panel DIN rail by inserting a flat blade screwdriver into the bottom tab
and sliding the mounting plate down (
Figure 2
). Due to the angle of the hook portion of the DIN bracket, it may be a
little tight as it is disconnected.
Carefully separate the controller assembly from the front panel. The display cable harness still connects the
front panel to the controller assembly.
3. Disconnect the display cable harness from the controller assembly.
Figure 2. Front Panel and Backplate Removal
4. Remove the four screws securing the controller assembly backplate to the enclosure and carefully pull the backplate
straight out from the enclosure.
Removing the backplate from the enclosure voids the Legal for Trade status if enclosure is sealed.
5. Remove the two screws securing the power supply board to the backplate and carefully lay the power supply down.
Figure 3. Power Supply Board and Faceplate Cover Removal
6. Remove the two screws securing the option opening faceplate cover to the CPU board standoffs.
7. Carefully align the J5 connector on the bottom of the option card board with the J8 connector on the 880 CPU board.
IMPORTANT
Display Cable
Harness
Screwdriver
Opening Tab
Backplate
IMPORTANT
Power Supply
Board
Power Supply
Board
J8 Connector
Option Opening
Faceplate Cover
