R911293809 REXROTH

351A3488P005 GE
351A3488P031 GE
353A4330P005 GE
354A1709P102 GE
361A2289P175 GE
361A2289P683 GE
362A1052P104 ITS GE
362A2324P024 GE
381A7063P001 GE

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描述

可编程序控制器是一种数字运算操作的电子系统,专为在工业环境下应用而设计。它采用可编程序的存储器,用来在其内部存储执行逻辑运算、顺序控制、定时、计数和算术运算等操作的指令,并通过数字式、模拟式的输入和输出,控制各种类型的机械或生产过程。可编程序控制器及其有关设备,都应按易于使工业控制系统形成一个整体,易于扩充其功能的原则设计。”从上述定义可以看出,PLC是一种用程序来改变控制功能的工业控制计算机,除了能完成各种各样的控制功能外,还有与其他计算机通信联网的功能。

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