22 Comm D power flex 4 stopping randomly

[hattisaeed]

Hi i have 5 VFD's connected through the 22 comm D adapter. They abruptly stop after 5/6 hours without any prior notification. Can you help me find the root cause please

 

[rdrast]

You are going to have to help a bit more here.
Any error messages?
Any other problems on the DeviceNet loop?
How are the drives being controlled? DeviceNet only? or are there also safety circuits?
Any drive faults?

 

[brstilson]

I think the problem is you're using Don't-work-Net.

 

[rdrast]

I think the problem is you're using Don't-work-Net.

DeviceNet, as with so many other networks, is fine, as long as the physical network is installed properly. Unfortunately, it rarely is.