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3 HARDWARE
1.
Remove the C37.94 module (76 or 77):
The ejector/inserter clips located at the top and at the bottom of each module, must be pulled simultaneously in order
to release the module for removal. Before performing this action, control power must be removed from the relay.
The original location of the module should be recorded to help ensure that the same or replacement module is inserted
into the correct slot.
2.
Remove the module cover screw.
3.
Remove the top cover by sliding it towards the rear and then lift it upwards.
4.
Set the Timing Selection Switches (Channel 1, Channel 2) to the desired timing modes (see description above).
5.
Replace the top cover and the cover screw.
6.
Re-insert the C37.94 module Take care to ensure that the correct module type is inserted into the correct slot posi-
tion. The ejector/inserter clips located at the top and at the bottom of each module must be in the disengaged position
as the module is smoothly inserted into the slot. Once the clips have cleared the raised edge of the chassis, engage
the clips simultaneously. When the clips have locked into position, the module will be fully inserted.
Figure 3–46: IEEE C37.94 TIMING SELECTION SWITCH SETTING
GE Multilin
3.3 DIRECT INPUT/OUTPUT COMMUNICATIONS
F60 Feeder Protection System
3
3-37
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