HUANG Jin-feng~, ZHANG Jin~, LI Zhan-xian~(, 2). Realization of Communication between PLC and Frequency-converter[J]. Journal of Mine Automation, 2007, 33(5): 95-97.
Citation: HUANG Jin-feng~, ZHANG Jin~, LI Zhan-xian~(, 2). Realization of Communication between PLC and Frequency-converter[J]. Journal of Mine Automation, 2007, 33(5): 95-97.

Realization of Communication between PLC and Frequency-converter

  • In this paper, the principle and realization method of communication between PLC and frequency-converter with Modbus communication protocol were discussed. The speed control method and the communication protocol of frequency-converter and PLC non-sequence communication protocol were introduced. With the example of control to YASKAWA Varispeed G7 by MITSUBISHI Q series PLC and its communication module, it studied how to implement the communication between PLC and frequency-converter by serial communication protocol.
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