random problem on micromaster 440
random problem on micromaster 440
(OP)
I have a micromaster 440 and a s7-200 CPU with USS, when i change frequency set point from 50hz to 10hz, sometime (random)the motor runs like the drives is off (motor in stall), the drive (and s7-200) doesn't display any alarms;
Have you any advices for me?
Have you any advices for me?




