WeChat Search Technical Training 01 Hardware Setup The Modbus communication in the program is conducted between the 0 communication ports of two S7-200 CPUs (it is best if each CPU has two communication ports). On the master side, communication can also be established using the corresponding library files “MBUS_CTRL_P1” and “MBUS_MSG_P1” through communication port 1. … Read more
1. Hardware Setup The Modbus communication in the program is conducted between the 0 communication ports of two S7-200 CPUs (it is best for each CPU to have two communication ports). On the master side, communication can also be established using the corresponding library files “MBUS_CTRL_P1” and “MBUS_MSG_P1” through the 1st communication port. Communication port … Read more
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