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Old September 16th, 2023, 10:19 AM   #1
United States

khekd is offline
Join Date: Apr 2009
Location: Noblesville, IN
Posts: 2
Replacing Powerflex 575 devicenet VFD with different VFD

Hello all,

It's been a while but have an odd request.

Have a customer that has a AB SLC5/05 with a SDN module. On the network are several Powerflex 575 VFDs. Customer wants to replace with a different VFD.

Here's the rub...they want to use a Siemens VFD but the G120 doesn't have Devicenet. I did find a Devicenet slave to Profinet master gateway. That way the gateway can act as the Devicenet slave in lue of the VFD. Then the profinet master can control the new Siemens VFD.

The customer cannot get the source code and the RSnetworks DNet config. I believe the IO image of the Powerflex 575 is 128 I/O by default. DInt for control/status and DInt for speed control/ref. This would not be an issue to map it to the profinet side. My biggest concern is making the SDN think that the DN/PN gateway is the VFD. Does the SDN look at the device type ID or just the I/O size and type?

I know this is a crazy ask but wanna see if anyone has tried anything like this before. TIA for any feedback?
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