Channel error on Analog Input Modules
We have a system with redundant PM865HI and Modulebus consisting of DI, DO & AI modules, all modules are 880 type.
The trouble is: all analog modules have channel error on all channels. First time not all channels had error, some of them had blinking error, some time later all channels are gone to channel error. Analog modules are redundant. After power off CPU, channel errors disappears and gradually appearing again. On the primary CPU there is a fault indicator and Tx indicator doesn't blinking on primary network.