SERVOMOTOR MHD041B-144-NP0-UN R911280346 REXROTH

SGM-02L3B4CL
CBL-YRC061-1
FOXBORO电源模块FPS400-24/6 24V
N5743A
1769-L31A
GMSV36-01-F91/115F/E
BAUMULLER DS56M25 Nr. 21801857
Honeywell-R4348B1057
HE693THM809C
CACR-F2TBI-EREV.F04

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描述

本指令与ADD指令相似,是把两个四位BCD数作带借位减法,差值送入指定通道,其操作数同ADD指令。在编写SUB指令语言时,必须指定被减数,减数和差值的存放通道三个数

说明:执行减法运算前必须加一条清进位位指令CLC(41);被减数和减数必须是BCD数,否则25503置ON,不执行SUB指令;若运算结果有借位,则进位标志继电器25504为ON;若运算结果为零,则专用继电器25506变为ON。

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