
西门子S7-200 Smart PLC与V20变频器的通信实现--基于Modbus RTU通信协议
蒋强
西门子S7-200 Smart PLC与V20变频器的通信实现--基于Modbus RTU通信协议
Realization of Communication between Siemens S7-200 Smart PLC and V20 Inverter--Based on Modbus RTU Communication Protocol
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