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S5 INPUTS/OUTPUTS
6–154
2.
Output Relay 7 will be energized when the control power is applied to the relay and
the relay is in IN-SERVICE mode.
3.
Output Relay 7 will stay de-energized, when the control power is applied, if the relay
was not programmed as "Ready", or upon major self-test failure during relay boot-up.
4.
Output Relay 7 will change state from energized to de-energized if the 339 relay
experiences any major self-test failure.
Figure 6-67: Output relay 7: Critical Failure Relay
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 6: SETPOINTS
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