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How do you set up the underload detection function on the ATV212 drive?

Published date: 15 September 2019

Configuring the underload detection function on the ATV212 drive.

Product Line:
Altivar ATV21 and ATV212


Need to detect a belt breakage requires monitoring underload threshold.

Basic Programming:
Go to F------- and press enter, then select:
F610= set to 0 for Relay alarm 
           set to 1 for underload fault
F611= underload level in factory default A or amps.  If you change F701 to 0 you can set this as a % of the Drives IN current ratings.
F609= underload bandwidth
F612= underload detect time

Function works as follows
If the motor current drops below the programmed F611 amp value for the duration of the programmed F612 detection time.  The drive will trip on underload fault or alarm depending on F610 setting.


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