R911233799 REXROTH

SR489-P5-HI-A20-E
2711-K5A16
IS200TPROH1C
567LH-DP24
3721
CLM01.4-N-E-2-B-FW
6SE7023-8TD61-Z+G91
A4H124-24FX
1394-SJT22-T-RL

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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

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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