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S-Flex (ATV212) is ramping motor up to 60 Hz, not following the analog input.

Published date: 07 August 2019

Issue:
S-Flex (ATV212)  ramping motor up to 60 Hz, but not following analog input.

Product Line:
 
S-Flex enclosed drive ATV212, Altivar 212 ATV21, Altivar 21

Environment:
 
All part numbers, all models

Cause: Not operating as expected

Resolution:
1) Verified FMOd is set properly (1 for VIA, 2 for VIB, 3 for HMI, 4 for Serial Communication).
2) Check logic input programming to be sure a preset speed command is not present (F108, F110, F111, F112, F113, F118)
3) Make sure F360 (PID Control enable) is set to 0 if not using PID in the drive.
4) If using PID control, check feedback signal and setpoint.

Consult ATV212 programming manual for details.

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