jeeseliu
技術(shù)無止境
級(jí)別: 探索解密
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三菱ST編程02 https://mp.weixin.qq.com/s/aSPsQGHgqlZapJV6IBpwpw 3.FOR......Do語句 4.While......Do語句 別人用PLC寫的貪吃蛇部分程序(有很多值得借鑒與學(xué)習(xí)) (四)使用ST語句注意事項(xiàng) (五)功能塊的創(chuàng)建與使用 (六)ST調(diào)用 功能塊 FB 注:對(duì)于進(jìn)行了ST程序轉(zhuǎn)換時(shí)的運(yùn)算結(jié)果,由于不對(duì)處理值是單字型還 是雙字型進(jìn)行判斷,是進(jìn)行無符號(hào)運(yùn)算,而在可編程控制器CPU中是 進(jìn)行帶符號(hào)運(yùn)算。 <使用示例> Data1 = -32768; Data2 = 16#8000; ·ST Result := Data1 / Data2; → -32768÷32768 = -1 ·CPU Result := Data1 / Data2; → -32768÷-32768 = 1 數(shù)組標(biāo)簽全局變量 只要指定起始軟元件就行。如下圖所示: (七)ST常用運(yùn)算符與函數(shù) 實(shí)例: 3天產(chǎn)能統(tǒng)計(jì)實(shí)例: 程序樣例: (*單控氣缸動(dòng)作*) OUT((M_action AND A_stop AND NOT A_action) OR (A_action AND NOT A_stop), O_cylinder); (*單控氣缸報(bào)警*) IF SM412=FALSE THEN MIddle10:=1; END_IF ; IF SM412=TRUE THEN MIddle10:=0; END_IF ; IF SM412=FALSE THEN MIddle11:=1; END_IF ; IF SM412=TRUE THEN MIddle11:=0; END_IF ; IF (O_cylinder AND NOT LimitNeg) THEN INCP(NOT MIddle11, time11); IF time11=AlarmDelay THEN Tim11:=1; time11:=0; END_IF; END_IF; IF (NOT O_cylinder AND LimitNeg) AND AlarmReset THEN Tim11:=0; END_IF; IF (NOT O_cylinder AND NOT LimitPos) THEN INCP(NOT MIddle10, time10); IF time10=AlarmDelay THEN Tim10:=1; time10:=0; END_IF; END_IF; IF (NOT O_cylinder AND LimitPos) AND AlarmReset THEN Tim10:=0; END_IF; (*單控氣缸報(bào)警*) (*OUT_T((O_cylinder AND NOT LimitNeg), time11,AlarmDelay); OUT_T((NOT O_cylinder AND NOT LimitPos) ,time10, AlarmDelay);*) OUT((Tim11 OR (outAlamNeg AND NOT AlarmReset)) , outAlamNeg); OUT((Tim10 OR (outAlamPos AND NOT AlarmReset )) ,outAlamPOs); 閱讀 16贊 |
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