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Modicon M580Schneider Electric
Modicon M580
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BMX NOM0200 constantly crashing

We have 01 M580 series equipment in hotstandby configuration. We have 08 modbus/RTU communication cards. These cards are constantly blocking communication and we have to reset them. They don't show any signs of trouble. What could be happening ?

Answers

Top answer
  • Address assignment conflicts: If several devices use the same Modbus address, this can lead to conflicts and disrupt communication. Make sure that each device has a unique address.
  • Signal noise: Noise on the cable can cause communication to break down. Check that the cable is properly shielded and that it is near electrical equipment or other sources of electromagnetic interference.
  • Firmware Problems: There may be a problem with the firmware of the Modbus/RTU communication cards. Check if there is an updated firmware version and if it fixes the problem.

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