Z55 alarm Hello, my company a M70 system, processing process Z55 alarm, and then shut the Q24DHCCPU-V

Time: 12/10/2017 2:53:35 PM

Hello, myany Q24DHCCPU-V M70 Q24DHCCPU-V system, in the process of Z55 alarm, and then restart the power off, and can be used, but 1 months or less than a month, when the irregular will alarm, are in the process, I would like to ask, what is the reason?

Z55 is the cause of RIO communication interruption. There may be reasons for interruption of operation keyboard I/O or remote I/O communication, check whether connection line CG71 or remote I/O connection line is in bad condition, whether there is interference, etc., and replace it if necessary.