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Bonobo

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  1. Problems with Modbus(PLC Jazz 20 R31)

    in Jazz, M91 PLCs and U90Ladder

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    Hello

    Can you give me an advice how to solve the problem.Well,I have PLC Jazz 20 R31

    connected to modem(Scada) by RS485(Modbus protocol). Everything works but from time to time the communication between the devices disappears and I have to reset the PLC If I wanna restore the communication. It happens often when some unit(pumps) is switched on.

    The file with my Modbus config is attached 

    How to solve the problem?

    Sincerely Wladimir

    unitronics.U90

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