Step7V5.5梯形图手册

1 位逻辑指令..................................................................................................................................................11
1.1 位逻辑指令概述............................................................................................................................11
1.2 ---| |--- 常开触点(地址).............................................................................................................12
1.3 ---| / |--- 常闭触点(地址) ...............................................................................................................13
1.4 XOR 位异或运算..........................................................................................................................14
1.5 --|NOT|-- 能流取反.......................................................................................................................15
1.6 ---( ) 输出线圈..........................................................................................................................16
1.7 ---( # )--- 中间输出.......................................................................................................................18
1.8 ---( R ) 复位线圈..........................................................................................................................20
1.9 ---( S ) 置位线圈...........................................................................................................................22
1.10 RS 置位优先型RS 双稳态触发器................................................................................................24
1.11 SR 复位优先型SR 双稳态触发器................................................................................................26
1.12 ---(N)--- RLO 负跳沿检测..............................................................................................................28
1.13 ---(P)--- RLO 正跳沿检测..............................................................................................................29
1.14 ---(SAVE) 将RLO 状态保存到BR...............................................................................................30
1.15 NEG 地址下降沿检测..................................................................................................................31
1.16 POS 地址上升沿检测..................................................................................................................32
1.17 立即读取......................................................................................................................................33
1.18 立即写入......................................................................................................................................34
2 比较指令.....................................................................................................................................................37
2.1 比较指令概述...............................................................................................................................37
2.2 CMP ? I 整数比较........................................................................................................................38
2.3 CMP ? D 长整数比较...................................................................................................................39
2.4 CMP ? R 实数比较......................................................................................................................
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