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CHAPTER 7: MAINTENANCE
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
INCOMP TRP/CLS TIME
Range: 0.00 to 600.00 s in steps of 0.01 s
Default: 0.10 s
This setting declares a breaker operation failure condition if the breaker does not
respond within this time delay. This setting should be greater than the TRIP TIME PICKUP
value and CLOSE TIME PICKUP value.
SPRING CHARGE INPUT
Range: Off, Contact Input 1 to 10, Virtual Input 1 to 32, Remote Input 1 to 32, Logic
Elements 1 to 16, CT Fail Alarm PKP, CT Fail Alarm OP
Default: Off
This setting selects the signal to show the status of Spring Charge. Normally, the contact
input connected to the auxiliary contact of the limit switch can be used.
CHARGE TIME PICKUP
Range: 0.00 to 60.00 s in steps of 0.01 s
Default: 15.00 s
This setting defines the pickup level of the Spring Charge time. The Spring Charge time is
measured from the pulse duration of the SPRING CHARGE STATUS.
INCOMP CHARGE TIME
Range: 0.00 to 600.00 s in steps of 0.01 s
Default: 45.00 s
This setting declares a Charge time failure condition if the spring charging process is not
finished after this time delay. This setting should be greater than the CHARGE TIME
PICKUP value.
BLOCK 1 (3)
For details see
Common
The element will be blocked when the selected operand is asserted. For example, the
breaker failure operand can be used to block this element.
OUTPUT RELAY X
For details see
Common
Figure 7-11: Breaker health logic diagram
setpoints.
setpoints.
M3 BREAKER MAINTENANCE
7–15
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