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6SL3352-7DX00-0AA0
6SL3352-7DX00-0AA0
PLC控制系统的结构组成通常包括以下几个主要部分:
1.中央处理器(CPU):PLC控制系统的核心部分,负责对输入信号进行处理,执行控制程序,并输出控制信号。
2.输入/输出模块(I/O模块):负责将外部信号传输到中央处理器并输出控制信号,包括数字输入输出模块(DI/DO模块)和模拟输入输出模块(AI/AO模块)。
3.存储器:用于存储控制程序、数据、参数等信息。
4.通信模块:实现PLC控制系统和其他设备之间的通信传输。
5.电源模块:为PLC控制系统提供工作所需的直流或交流电源。
6.外壳/接线端子:通常由金属或塑料制成,用于保护PLC控制系统的内部结构及连接各个设备。
Allen Bradley Power Supply Module 1771-P2
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Yaskawa JANCD-MBB02.1 Backplane W/Boards
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Allen Bradley Variable Frequency Drive 1305-BA06A Series C