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  1. wave

    Hi PMCR, thank you for sharing your experience. I have Omron CJ2M PLC with SCU32 communication unit and 34 3G3MX2 drives with repeater. I need to reed VFD status, reset fault, and write the speed. I tried your sample code version 2.12 with a single VFD, but in my test application it works inconsistent. I have got communication in the first time, I could control the drive. After program modification and downloading  I have lost communication (It was restored only once, and lost again). I didn't find any correlation between my action and communication presence ( I tested dual port program version). I cleaned PLC memory and initialized PLC without any luck.  Please advise where to look. Thank you in advance.