2.11
Date Code 20150130 Instruction Manual SEL-787 Relay
Installation
I/O Configuration
Card Installation for Slots C, D, E, and Z
Perform the following steps to install cards in Slots C, D, E, or Z of the base
unit.
Step 1. Remove the power supply voltage from terminals A01+ and
A02– and remove the ground wire from the green ground
screw.
Step 2. Disconnect all the connection plugs.
Step 3. Loosen the eight (8) screws on the rear and remove the rear
cover.
Step 4. Remove the plastic filler plate covering the slot associated with
the card being installed.
Step 5. Insert the card in the correct slot.
Make sure the contact fingers on the printed circuit board are
bent at an approximately 130° angle relative to the board for
proper electromagnetic interference protection.
Step 6. Before reattaching the rear cover, check for and remove any
foreign material that may remain inside the SEL-787 case.
Step 7. Carefully reattach the rear cover.
Step 8. Tighten the eight (8) screws that secure the rear cover to the
case.
Step 9. Apply power supply voltage to terminals A01+ and A02– and
reconnect the ground wire to the green ground screw.
Step 10. If the card is in the proper slot, the front panel displays the
following:
STATUS FAIL
X Card Failure
If you do not see this message and the ENABLED light is turned
on, the card was inserted into the wrong slot. Begin again at
Step 1.
If you do see this message, proceed to Step 11.
Step 11. Press the ESC pushbutton.
Step 12. Press the Down Arrow pushbutton until STATUS is highlighted.
Step 13. Press the ENT pushbutton.
The front panel displays the following:
STATUS
Relay Status
Step 14. Press the ENT button.
The front panel displays the following:
Serial Num
000000000000000000000000
Step 15. Press the ENT pushbutton.
The front panel displays the following:
Confirm Hardware
Config (Enter)
Disconnect or de-energize all
external connections before opening
this device. Contact with hazardous
voltages and currents inside this
device can cause electrical shock
resulting in injury or death.
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