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Control / Reference Value
Bit 15 "Warning 2" signals a critical operating state which will result in a fault switch-off of the fre-
quency inverter within a short time. This bit is set if there is a delayed warning relating to the motor
temperature, heat sink/inside temperature, Ixt monitoring or mains phase failure.
10.3 Behavior in Quick Stop
Switch-Off Threshold Stop Function
Max-
In this case, the parameters
637 (percentage of parameter
imum Frequency
Holding Time Stop Function
419) and
638 (holding time after the value drops be-
low the switch-off limit) are relevant.
Emergency Stop
In a quick stop, the drive is brought to a standstill via the emergency stop ramps (
Clockwise
Emergency Stop Anticlockwise
424 or
425).
If the frequency/speed reaches the value zero during the switch-off time, the drive continues to be
supplied with current until the switch-off time has elapsed. This ensures that the drive is at a standstill
when the state changes.
52
VABus Agile
06/2010
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