Is it possible to use more than one VW3A1101 HMI keypad to control one ATV61 or ATV71 drive?

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.