Step7V5.5梯形圖手冊

1 位邏輯指令..................................................................................................................................................11
1.1 位邏輯指令概述............................................................................................................................11
1.2 ---| |--- 常開觸點(diǎn)(地址).............................................................................................................12
1.3 ---| / |--- 常閉觸點(diǎn)(地址) ...............................................................................................................13
1.4 XOR 位異或運(yùn)算..........................................................................................................................14
1.5 --|NOT|-- 能流取反.......................................................................................................................15
1.6 ---( ) 輸出線圈..........................................................................................................................16
1.7 ---( # )--- 中間輸出.......................................................................................................................18
1.8 ---( R ) 復(fù)位線圈..........................................................................................................................20
1.9 ---( S ) 置位線圈...........................................................................................................................22
1.10 RS 置位優(yōu)先型RS 雙穩(wěn)態(tài)觸發(fā)器................................................................................................24
1.11 SR 復(fù)位優(yōu)先型SR 雙穩(wěn)態(tài)觸發(fā)器................................................................................................26
1.12 ---(N)--- RLO 負(fù)跳沿檢測..............................................................................................................28
1.13 ---(P)--- RLO 正跳沿檢測..............................................................................................................29
1.14 ---(SAVE) 將RLO 狀態(tài)保存到BR...............................................................................................30
1.15 NEG 地址下降沿檢測..................................................................................................................31
1.16 POS 地址上升沿檢測..................................................................................................................32
1.17 立即讀取......................................................................................................................................33
1.18 立即寫入......................................................................................................................................34
2 比較指令.....................................................................................................................................................37
2.1 比較指令概述...............................................................................................................................37
2.2 CMP ? I 整數(shù)比較........................................................................................................................38
2.3 CMP ? D 長整數(shù)比較...................................................................................................................39
2.4 CMP ? R 實數(shù)比較......................................................................................................................
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