Linking the COM of multiple items

Joe Hardane

Member
J
Join Date
Feb 2012
Location
Ehmej
Posts
16
dear automation expert.

I have an application with about 42 asynchronous motors, controlled with a VFD each.

I was wondering, for wiring purpose, if it is possible to link the DC com of all the drives with the DC power supply com, with the purpose of reducing the wiring?

What are the pros and cons of such wiring?

thank you for yourhelp
 

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