Browse FAQs

Is it necessary to use the Common terminal when installing Altivar Drives on Bacnet Network?

Published date: 27 November 2018

Issue:
Is it necessary to use the Common terminal when installing Altivar Drives on Bacnet Network?

Product Line:
Altivar Process Drive

Environment:
ALL

Cause:
Wiring / Programming

Resolution:
Per Level 3, not doing so is a non-warranted application.
>> We always recommend to use 3-wire RS485 bus system, to avoid problems when devices have different potential vs. ground.  So, please follow our wiring diagram.
You can find many explanations why is it recommended - par ex. for Bacnet:

Explanation:  https://store.chipkin.com/articles/bacnet-why-you-need-3-wires-for-2-two-wire-rs485/

*** Risk of implementing 2-wire network is on the user's end

 


Was this helpful?

What can we do to improve the information ?

Can't find what you are looking for?

Reach out to our customer care team to receive information on technical support, assistance for complaints and more.