Harperj Posted November 4, 2021 Report Share Posted November 4, 2021 Using a Unistream PLC (USC-P-B10) to communicate with an Opto-22 Snap Brain EB2 using Modbus TCP/IP. We're using this same application in various other places with no issues. At this particular site I am losing my link between the two devices. I added a counter and lost the link around 150 times in about 16 hours. The only difference I can come up with between this site and the others is the the enclosure also contains two VFDs. Could electrical noise be causing the interruption in the comms link? Any help would be appreciated. Quote Link to comment Share on other sites More sharing options...
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