Issue:
Difference between "pre-ramp" and frequency reference process drives.
Product Line:
Altivar ATV630 and ATV930 drives
Environment:
All
Cause:
HMI will display both which one means what one is HMI freq ref and the other is normal freq ref.
Resolution:
[Pre-Ramp Ref Freq] FrH
Frequency reference before ramp (signed value).
Actual frequency reference linked to the motor regardless of which reference channel has been selected.
This parameter is in read-only mode
VS
Ref Frequency] LFr
Reference frequency.
This parameter only appears if the function has been activated. It is used to change the speed reference
from the remote control. OK does not have to be pressed to activate a change of reference.
Difference between "pre-ramp" and frequency reference process drives.
Product Line:
Altivar ATV630 and ATV930 drives
Environment:
All
Cause:
HMI will display both which one means what one is HMI freq ref and the other is normal freq ref.
Resolution:
[Pre-Ramp Ref Freq] FrH
Frequency reference before ramp (signed value).
Actual frequency reference linked to the motor regardless of which reference channel has been selected.
This parameter is in read-only mode
VS
Ref Frequency] LFr
Reference frequency.
This parameter only appears if the function has been activated. It is used to change the speed reference
from the remote control. OK does not have to be pressed to activate a change of reference.
Publié pour: Schneider Electric Belgium
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