Issue:
Bias and gain adjustment on ATV212
Product Line:
ATV212
Environment:
All models and serial numbers
Cause:
None
Resolution:
One reason for changing the analog input bias and gain is that the speed reference signals may not be linear.
Example: If the drive is being sent a speed reference of 4mA signal with low speed (LL) at 0 hz but the drive runs above 0 hz. parameter F470 can be adjusted down so that the drive runs at 0 hz. Or, on the upper end of the 4-20mA scale if the drive is being sent 20mA and the frequency only goes to 59 hz parameter F471 can be adjusted up to that the speed reaches 60 hz.
Bias and gain adjustment on ATV212
Product Line:
ATV212
Environment:
All models and serial numbers
Cause:
None
Resolution:
One reason for changing the analog input bias and gain is that the speed reference signals may not be linear.
Example: If the drive is being sent a speed reference of 4mA signal with low speed (LL) at 0 hz but the drive runs above 0 hz. parameter F470 can be adjusted down so that the drive runs at 0 hz. Or, on the upper end of the 4-20mA scale if the drive is being sent 20mA and the frequency only goes to 59 hz parameter F471 can be adjusted up to that the speed reaches 60 hz.
Released for: Schneider Electric Malaysia
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