What is Inverse Time Alarm on a Parker AC Drive?

[rickpend]

What is Inverse Time Alarm on a Parker AC Drive?

What is Parker INVERSE TIME alarm mean on a Parker AC drive? I'm looking for a simple explanation as to what Inverse Time means.

And how do you clear the "inverse time" alarm from a Parker AC drive?

[tomtester]

What is Inverse Time Alarm on a Parker AC Drive?

The inverse time current limit is active:

1. motor loading is too great:
motor current >150% for 60s in Constant duty
motor current >110% for 60s in Quadratic duty

2. fixed or autoboost levels are too high

This is from the Parker troubleshooting guide...

As for clearing this alarm, you may need to investigate your loading or your calibration first, then try cycling the power to the drive.