Hello ivan, our Hardware supplier helps us also with Codesys related problems. They need to be able to help you becouse could even be that you PLC is missing the licence for redundancy. But if this is a dead end you could buy a support ticket in the codesys store. regards
Hi Ivan, the fastest way is maybe if you ask the company where you buy the PLC's. Because they are also the experts when it comes to target-specific problems. regards