Rice Lake 880 Performance Series Panel Mount Indicator/Controller - Relay Card Option Installation Manual - Manual (Page 2)

2 Relay Card Installation
6. Loosen the four corner screws and carefully pull the backplate straight out from the enclosure. The boards
are still connected to the backplate and will slide out of the enclosure.
Note All boards will slide out together, the power supply board and the CPU board are connected by a cable.
Figure 2. Remove Backplate With Boards
7. Remove the cable connecting the boards.
8. Remove the power board and CPU board from the back plate by loosening the screws holding them in
place.
Note Retain the screws for installing boards to new backplate. Discard existing backplate.
.
Backplate
Power Supply Board
Cable, Power
to CPU
CPU Board
Screws connecting power
supply board to backplate
Screws connecting CPU
board to backplate
Figure 3. Boards Removed from Enclosure
9. Install the Relay card on the CPU board standoffs, plugging it into the J8 connector on the CPU board.
10. Secure with option card screws (see Figure 4).