CHAPTER 6: SETPOINTS S5 INPUTS/OUTPUTS
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 6–157
command. Each auxiliary relay can also be selected as either Non-Failsafe, or Failsafe. If
an output is required when the 339 is not operational due to a loss of control power, select
Failsafe auxiliary operation, otherwise, choose Non-Failsafe.
PATH:
SETPOINTS > S5 INPUTS/OUTPUTS > OUTPUT RELAYS > RLY 5(6) AUXILIARY
RELAY OPERATION
Range: Non-failsafe, Failsafe
Default: Non-failsafe
OUTPUT TYPE
Range: Self Reset, Latched
Default: Self Reset
Figure 6-70: Auxiliary relays
From Protection Feature
OR
From Control Feature
From Maintenance Feature
Assigned Aux Outputs:
AND
Relay Status
(Ready = 1)
SETPOINT
RELAY (5 to 6) AUXILIARY
OUTPUT TYPE
Latched
Self-Reset
AND
AND
OR
AND
OR
RESET (Relay Keypad)
RESET (Communications)
RESET (Input)
S4 Control
OR
Operate Aux
Output Relay (5 to 6)
Message & Event Recorder
896789.cdr
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