PLC控制系统编程技巧。PLC程序设计的原则是逻辑关系简单明了，易于编程输入，少占内存，减少扫描时间，这是PLC 编程必须遵循的原则。下面介绍几点技巧。
PLC各种触点可以多次重复使用，无需用复杂的程序来减少触点使用次数。
GE Versamax IC200DBI001 is a devicenet network interface unit. The GE Versamax IC200DBI001 is a devicenet slave module that acts as controller for a set of i/o modules. power for module operation of the GE Versamax is provided by a power supply that installs directly on the niu.
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