关于F1系列可编程控制器主控指令(MC)/主控恢复指令(MCR),下面描述正确的有( )。 -题库考试答案搜索网

关于F1系列可编程控制器主控指令(MC)/主控恢复指令(MCR),下面描述正确的有( )。

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2022-04-02 18:22

A、MC指令用于在相同控制条件下,多路输出,指出公共串联触点
B、目标元素是所有辅助继电器(M);
C、当新的主控指令执行时,上一个主控指令自动复位
D、一段梯形图中,有几个MC指令,相应地就要有几个MCR指令

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正确答案

AC

试题解析

标签：桂林理工大学机电一体化技术高起专可编程控制器原理及应用桂林理工大学成人高等教育【可编程控制器原理及应用】考试试卷•A卷

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