三菱plc编程中MOV D220 D10是什么意思?

2025-03-25 16:49:50
推荐回答(1个)
回答1:

把常数100000移动到三菱PLC的数据寄存器D8146里面。

1.D也就是DOUBLE的意思,是双数,一般MOV移动是16位二进制也就是一个字,而加上一个D,顾名思义就是32位,也就是两个字。

2.K2M1,M1~M8组成的1个字节的存储空间,常数+软元件 K1~K8分别代表4位~32位的组合应用,K1M0 M0~M3,K2M0 M0~M7,K3M0 M0~M11。

3.最起码的基本指令要会,功能指令最好看得越多以后越有用,还有PLC的功能模块也要学习,总之看你的态度了,多学无害。

4.旋转、位移应用指令,FNC30、FNC31(RORP、ROLP)左、右旋转,FNC32 FNC33(RCRP、RCLP)包含进位标识的左、右旋转,FNC34、FNC35(SFTRP、SFTLP)位数据左、右移。

5.也就是说DMUL指令里面被乘数D10和乘数D20各占两个字,也就是双字,乘积D30占用四个字,与DMUL类似的还有MUL,这是16位相乘指令,结果为双字,32位,和DMUL是不同的。

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