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Recent content by jdeom

  1. jdeom

    Modbus communication between Alstom Micom Relay and Siemens S7/CP441-2

    Our system configuration is as follows. a. Siemens S7-400 CPU b. CP441-2 Modbus master communication module c. Micom Relay PXX, 24 sets d. RS-485, Modbus e. Problem - 1:1 communication : No problem - 1:N communication : Data missing or mixing(disturbance) I'd like to know exact cause and...

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