Field use AB RSLogix5000 series PLC with 2 sets of 700S, 2 sets 700 series drives, communications module is COMTROLNET, previously working, now after power-PLC communication is normal, over tens of seconds to minutes cut off communications, PLC power after power to a newsletter, and a few tens of seconds to minutes they cut off communications, non-inverter with only IO Module Communications break, alone with no one when the converter is faulty.
ControlNet hardware connection to confirm no problem re-using NetLinx planning network, try to adjust NUT