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Can I connect more than one VW3A1101 keypad to an ATV61, ATV71, ATV32, ATV312, or ATV212 series drive?

Published date: 17 June 2020

Issue:
Connecting more than one VW3A1101 keypad to an ATV61, ATV71, ATV32, ATV312, or ATV212 series Drive

Product Line:
ATV61, ATV71, ATV32, ATV312, ATV212

Environment:
All models, all firmware versions capable of supporting the VW3A1101 keypad.

Cause:
Customer would like to have a VW3A1101 installed near the drive, and another VW3A1101 installed at a remote location, both connected to the same drive.

Resoultion:
This is not possible. The VW3A1101 keypad establishes a Modbus RTU connnection to the drive, with the keypad being the Modbus master. It is not possible to have multiple Modbus master devices connected to a single drive.
 

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