Help please on this matter. I have Magelis XBT N410 connected to M580 PLC using RS-485 (2-wire). HMI Magelis XBT N410 configured as Modbus Master. I'm using a converter NET485 (by Grid Connect) this will convert ModbusTCP to RS485 because the M580 CPU has no serial RS485 available.
In the beginning the communication was working fine but after some few days (like 4 or 5 days or sometimes for a week for other lines, there are 7-lines typical) the communication lost. The only way to establish again the communication is to restart the HMI or unplug/plug the HMI communication cable and it will work for some few days again.
Note:
Communication lost on all 7-lines but not at the same time.
Magelis XBTN410 communication lost
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macroms
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