4–128 869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
PROTECTION CHAPTER 4: SETPOINTS
Figure 4-38: Voltage Dependent Overload Curves
ALARM FUNCTION
Range: Disabled, Alarm, Latch Alarm
Default: Disabled
The setting enables the Thermal Model alarm functionality.
ALARM PICKUP
Range: 10.00 to 100.00% in steps of 1.00
Default: 75.00%
The setting specifies a pickup threshold of the Thermal Capacity Used (TCU) for the alarm
function.
ALARM OUTPUT RELAY X
Range: Do Not Operate, Operate
Default: Do Not Operate
Any assignable output relay operates if TCU exceeds the Alarm Pickup and the Alarm
Function is set to Alarm or Latched Alarm.
TRIP OUTPUT RELAY X
Range: Do Not Operate, Operate
Default: Do Not Operate
Any assignable output relay operates upon Thermal Model operation if the Trip function
is set to Trip.
EVENTS
Range: Enabled, Disabled
Default: Enabled
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