This research works out a design of signal adaptor circuit of serial communication port between PLC and PC, including inputinterface circuit and output interface circuit.
设计了PLC与PC机串行通讯口之间信号适配器硬件电路,包括输入接口电路、输出接口电路。
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The controller main-board is designed with TMS320F2812 as its CPU, and also sets the serialinterface and input and output of the switching value on it .