型号产品:1756-ib32
++1904676482qq询价
订单18030132586报价
编程简单,容易掌握
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。
plc在执行梯形图程序时,用解释程序将它翻译成汇编语言然后执行(plc内部增加了解释程序)。与直接执行汇编语言编写的用户程序相比,执行梯形图程序的时间要长一些,但对于大多数机电控制设备来说,是微不足道的,完全可以满足控制要求。
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k & t cmux pc control board 1-21758 03, rev. 1, used, warranty
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okuma sw board, xps-454r, rdk-ic05020, * * used * * warranty * *
mazak mitsubishi pc board, # bn624a320h04, fx73a, revision c, warranty
mitsubishi pc board fx702b, bn624e525h01, rev f, used, warranty
mitsubishi pc board, fw17a, bn624a486h01, revision c, warranty
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