7. Description of Parameters MD500 User Manual
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Function Code Parameter Name Setting Range Default
) Fault protection action
selection 3
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Thousand’s digit: Load lost (Err30)
0: Coast to stop
1: Stop according to the stop mode
2: Continue to run at 7% of rated motor frequency and
restore to the frequency reference if the load recovers
Ten thousand's digit: PID feedback lost
during drive running (Err31)
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) Fault protection action
selection 4
0: Coast to stop
1: Stop according to the stop mode
2: Continue to run
00000
Unit's digit: Too large speed feedback error (Err42)
Ten's digit: Motor overspeed (Err43)
Hundred's digit: Initial position fault (Err51)
Thousand's digit: Speed feedback fault (Err52)
Ten thousand's digit: Reserved
These function parameters set the action mode of the AC drive at occurrence of fault.
0. 0: Coast to stop
The AC drive displays Err** and directly stops.
1. Stop according to the stop mode
The AC drive displays A** and stops according to the stop mode. After stop, the AC drive displays Err**.
2. Continue to run
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Function Code Parameter Name Setting Range Default
) Frequency selection for
continuing to run upon fault
0: Current running frequency
1: Frequency reference
2: Frequency upper limit
3: Frequency lower limit
4: Backup frequency upon abnormality
0
) Backup frequency
upon abnormality
0.0% to 100.0% (max. frequency) 100.0%
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