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来自维基百科,自由的百科全书
IEC 61131是国际电工委员会 (IEC) 制定的可程式逻辑控制器标准。在IEC编号系统更改以前,称为IEC 1131。
IEC 61131 标准区分成以下几个部分[1]:
IEC 61499 功能区块
PLCopen[3] 发展了几个标准与工作群组:
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