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What is the StUn parameter for the ATV32 Drive?

FA285380

24 March 2022

Issue:
Customer was asked to change StUn to CUS per the machine OEM, but he is unable to change this value

Product line:
Altivar 32, ATV32

Environment:
all

Cause:
n/a

Resolution:
The StUn parameter for Tune Selection is a Read only parameter, found in the drC menu. 

The factory setting is tAb (Default). 
If an autotune is completed, this value changes to MEAS (Measured). 
To change this value to CUS (Custom) the motor measurements must be manually entered and saved.