Consulter notre FAQ

What would cause an S-Flex (ATV212) to ramp a motor up to 60Hz instead of following the analog input?

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 activate) 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.