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1.PLC组成与特点可编程控制器(PLC)是一种以微处理器为核心的特殊计算机,主要由CPU模块、信号输入输出模块、电源和编程器组成。PLC具有很高的可靠性、抗干扰能力和丰富的I/O接口模块。该系统安装简单、维修方便,可在各种工业环境下直接运行。传统的电控系统接线复杂,所使
1.PLC composition and characteristics PLC (programmable logic controller) is a microprocessor-based special computer, mainly by the CPU module, the signal input and output modules, power supply and programmer. PLC has high reliability, anti-interference ability and rich I / O interface module. The system is simple to install, easy to maintain and can be run directly in a variety of industrial environments. Traditional electronic control system wiring complex, so