FA174521
21 July 2022
Issue:Using more than one HMI keypad to control an ATV61/71.
Product line:Altivar ATV61 and ATV71
Environment:All models, all serial numbers
Cause:2 keypads on one Drive
Resolution:One VFD cannot support two keypads connected to it at the same time. If two keypads are connected, the secong keypad connected will get an error message. Only one "master" is allowed to be used per drive.