Hello. I have main PLC L73 with redundancy module, and 4 others controller as L71, L72 (S/R A,B, CSU A/B). They connected through control net network as my attached document. I created message to read and write DINT, Real in main PLC L73 to others controller. I can read and write signal but sometime I have delay 20s to receive signal. Has anybody know my issue? How can I fix it? Thanks you
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