IS2020RKPSG1A GE

531X111PSHAJG2 GE
8x32EDO GE
DF63C509B ( 3COM ETHER LINK 10Mbps) GE
IC3600AOAM GE
POWER CARD LC 3777 GE
IC3601A250B GE
IC3603A281A GE
IC3600STDC1H GE
IC3600VANA1G1E GE
IC3600VANA1 GE
IC3600SSFG1B1B GE

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描述

目前,大多数PLC仍采用继电控制形式的“梯形图编程方式”。既继承了传统控制线路的清晰直观,又考虑到大多数工厂企业电气技术人员的读图习惯及编程水平,所以非常容易接受和掌握。梯形图语言的编程元件的符号和表达方式与继电器控制电路原理图相当接近。通过阅读PLC的用户手册或短期培训,电气技术人员和技术工很快就能学会用梯形图编制控制程序。同时还提供了功能图、语句表等编程语言。

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