RediStart MX
2
- SEP Synchronous Controller User Manual
68
PFN 02 / P19
Over Current Level
LCD / LED
Displays
PFN: Over Cur Lvl
02 125%
Range
Off, 50 – 200% (Default: 125)
Description
The Over Current Trip Level sets the high field current trip level. This parameter should be set to the highest
continuously allowable field current. Usually this value is 125% of rated field current. Consult the motor
manufacturer if necessary.
A relay can be programmed to change state when an over current alarm condition is detected.
See Also
•
Over Current Level (PFN 02 / P19) parameter on Page 68.
•
Relay Output Configuration (I/O 05–07 / P44–46) parameters on Page 76.
PFN 03 / P20
Over Current Time
LCD / LED
Displays
PFN: Over Cur Tim
03 1.0
sec
Range
Off, 0.1 – 90.0 seconds
(Default: 1.0)
Description
The Over Current Trip Time parameter sets the period of time that the motor field current must be greater than
the Over Current Level (PFN 02) parameter before an over current fault and trip occurs.
If “Off” is selected, the over current timer does not operate and the controller does not trip. It energizes any
relay set to Over current until the current drops.
A shear pin function can be implemented by setting the delay to its minimum value.
See Also
•
Over Current Level (PFN 02 / P19) on Page 68.
Over Cur Level
PFN 01
Current Setpoint
QST 01
% Current
Alarm
Condition
Fault
Trip
Delay Time
PFN 02
Time
125
1
.0
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Страница 129: ...Publication History Revision Date ECO 00 12 15 06 Initial Release 01 12 04 15 E4926 ...