What is Current Limit Alarm on a Parker AC Drive?

[rickpend]

What is Current Limit Alarm on a Parker AC Drive?

What is Parker CURRENT LIMIT alarm mean on a Parker AC drive? I'm looking for a simple explanation as to what Current Limit means.

And how do you clear the current limit alarm from a Parker AC drive?

[tomtester]

What is Current Limit Alarm on a Parker AC Drive?

The troubleshooting guide says: If the current exceeds 180% of stack rated current for a period of 1 second, the drive will trip. This is caused by shock loads. Remove the cause of the shock load.

Definition of electrical shock load: A substantial, instantaneous, momentary rise in current.

You'll need to put your thinking cap on and investigate the loading of the drive. If this alarm appears on a proven system, then mechanical or physical changes in the system may have occurred. If this alarm appears on a newly commissioned system, then you'll need to  research the drive setup and design.

[travis]

I agree that a current limit alarm can be caused just a s much by an external force as it can be drive problems. Also the motor plays a huge role here since a shorted or partially shorted winding can also be the source of a current limit alarm.