?TRICONEX 9668-110
TRICONEX 9668-110
TRICONEX 9668-110
PC是以“串行”方式工作的,也就是以掃描的方式,循環(huán)地、連續(xù)地、順序地,逐條執(zhí)行程度的方式工作。同時(shí),PC中,軟觸點(diǎn)的動(dòng)作可認(rèn)為是瞬時(shí)完成的,且其能把本次動(dòng)作的結(jié)果記憶保持到下一次掃描運(yùn)算時(shí)為止。即具有記憶保持功能。按這樣一個(gè)順序“串行”的工作方式,梯形圖動(dòng)作順序如下:當(dāng)在某一掃描周期中TIM00延時(shí)到后,則:
1. TIM00常閉觸點(diǎn)斷開(kāi)(OFF),0000 OFF;
2. TIM00常開(kāi)觸點(diǎn)閉合(ON),0001 ON;
3. 0000常開(kāi)觸點(diǎn)OFF,0001常開(kāi)觸點(diǎn)ON,TIM00繼續(xù)保持通電狀態(tài)。而且不論我們?cè)?/span>0001與TIM00之間再加多少級(jí)前面繼電器電路所加的虛框中的回路,并把0001常開(kāi)觸點(diǎn)換成所加回路最后一級(jí)繼電器的常開(kāi)觸點(diǎn),TIM00仍能繼續(xù)保持通電狀態(tài)。
同樣的電路,由于繼電器控制系統(tǒng)和PC控制系統(tǒng)工作方式上的差異,兩者會(huì)有不同的動(dòng)作結(jié)果。注意到這一點(diǎn),我們?cè)诰幊虝r(shí),就會(huì)避免一些不應(yīng)有的錯(cuò)誤。
備貨,備貨,降降降,火火火,火火火……
備貨,備貨,降降降,火火火,火火火……
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公司名稱:廈門(mén)泰尼電氣有限公司
聯(lián)系人:小黃(銷售代表)
聯(lián)系電話:0592-6809319
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誠(chéng)信經(jīng)營(yíng),質(zhì)量為首,誠(chéng)信至上,泰尼電氣小黃竭誠(chéng)為您服務(wù)?。?!
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