Rice Lake Legend 480-2A, Technical Manual

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Option Card Installation 15
2.5 Option Card Installation
Use the following instructions to install or replace the Analog Output Module (PN 131341), Relay Board (PN
131342) or Ethernet/USB option card (PN 164600).
1.
Disconnect power to the indicator.
2.
Remove backplate as described in Section 2.2 on page 10.
3.
If not already in place, install an option card bracket (PN 131340). See Figure 2-3.
4.
Mount the analog output module, relay card or the Ethernet/USB option card on the option card bracket. See
Figure 2-3. The Ethernet/USB option card has to be installed on the option card bracket above the A/D card,
not in the location near the power supply.
5.
Connect the option card ribbon to the option card(s).
6.
Connect the option card ribbon to J
9
on the CPU board.
7.
Connect output cables, as needed, to the option card(s).
Either option card position can be used for the Analog Output Module, or the Relay Card.
The Ethernet/USB Option Card must be installed in the location above the A/D Card, not next to the Power
Supply.
2.6 Board Removal
If you must remove any 480 board, use the following procedure:
1. Disconnect power to the indicator.
2. Remove backplate as described in Section 2.2 on page 10.
3. Disconnect all cables from the board.
4. Label connections for re-installation of board.
5. Remove the four screws from the board, then lift the board off the backplate.
To install a board, reverse the above procedure. Be sure to reinstall cable ties to secure all cables inside the
indicator enclosure.
When removing lower boards, the upper boards and option bracket, if installed, will need to be removed first.
Note
Note