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Good day,

PLC worked without problems till we installed athernet card. Couple times a week it gets fatal error. Ethernet card is used only for remote operator. Today I noticed: when power up PLC, after some time ethernet card gets critical error (communication is still going):

CRITICAL ERROR RESET PLC SDW39 4352

After reset and some time

CRITICAL ERROR RESET PLC SDW39 256

Could it be because of wrong ethernet mask setting? and could make PLC fatal errors?

Thank you.

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