IS200ATBAG1BAA1 GE

FC-9821X
IS420ESWBH3A
3HAC037192-003
1FT6041-4AK71-4AK7
C98040-A7600-C4-2
3HAC024386-001
3HAC-13389-2-DSQC611
ypht31116-1a
1FT6108-8AC71-1AH1
THFK236F000
FISCHER & PORTER 53MC5111
2711P-K6M20D8
VMIPMC-5565

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描述

PLC具有与计算机类似的一些功能器件和单元,它们包括:CPU、用于存储系统控制程序和用户程序的存储器、与外部设备进行数据通信的接口及工作电源等。为与外部机器和过程实现信号传送,PLC还具有输入、输出信号接口。PLC有了这些功能器件和单元,即可用于完成各种指定的控制任务。PLC系统的基本功能结构框图如图1所示。

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