2711-B5A9L2

2711-B5A9L2

2711-B5A9L2PLC的工作原理如下：

PLC是由CPU、内存、输入/输出模块和通信模块等组成的系统。在PLC系统中，通常包括输入模块和输出模块。输入模块负责将各种传感器和开关信号转换成数字信号并输入到CPU中。输出模块负责接收CPU输出的指令，并将其转换成所需的控制信号并输出到执行器中。

PLC系统的工作流程如下：

1. 在开始工作时，PLC读取输入信号。

2. CPU对应程序根据预设的逻辑，处理输入信号并输出所需的指令，将其传递给输出模块。

3. 输出模块将输出信号转换成控制信号，并将其输出到执行器中。

2711-B5A9L2 

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