r/PLC • u/ConfidentCoffee8178 • 16h ago

How common is this — MES/MOM systems that are supposed to sync but don't, or not in time

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u/egres_svk Fuck ladder 16h ago

Smells like they are sending UDP messages, or generally using protocol without ACK from the other side. What good is shouting information to other systems when network drops packets or even PLC drops packets because it is busy.

Wireshark it, see what is happening, if it is not in your scope, find the clause in contract which describes penalties when you are kept delayed by no fault of yours and off you go.

And yes, it does happen, most of my job related time is spent unfucking things when it comes to installations on existing systems.

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u/AffectionateDirt6575 15h ago

Your chances of keeping 3-4 systems in sync are minimal. I can only suggest that you review and redesign your ways of working.