R911284987 REXROTH

IS200EMCSG1A
IS200EMIOH1A
IS200EPCTG1A
IS200EPSMG1A
IS200EPSMG1AED
IS200EPSMG2A
IS200ERAXH1A

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描述

系统程序是PLC赖以工作的基础,采用汇编语言编写,在PLC出厂时就已固化于ROM型系统程序存储器中。系统程序分为系统监控程序和解释程序。系统监控程序用于监视并控制PLC的工作,如诊断PLC系统工作是否正常,对PLC各模块的工作进行控制,与处设交换信息,根据用户的设定使PLC比处在编制用户程序状态或者处在运行用户程序状态等。

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