499NES18100
499NES18100
499NES18100
內(nèi)部繼電器數(shù)，有的稱為標(biāo)志位數(shù)，代表著PLC的內(nèi)部繼電器數(shù)。它與I/O繼電器區(qū)相聯(lián)系著，有時(shí)與后者相聯(lián)系進(jìn)行處理。內(nèi)部繼電器多，便于PLC建立復(fù)雜的時(shí)序關(guān)系，以實(shí)現(xiàn)多種多樣的控制要求。一般講，內(nèi)部繼電器數(shù)比I/O繼電器要多得多。
有的內(nèi)部繼電器還可丟電保持，即它的狀態(tài)（ON或OFF）、PLC丟電后，靠?jī)?nèi)部電池仍予以保持。再上電后可繼續(xù)丟電前的狀態(tài)。保持繼電器可增強(qiáng)PLC控制能力，特別對(duì)記錄故障，故障排除后恢復(fù)運(yùn)行，更顯得有用。
備貨，備貨，降降降，火火火，火火火……
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公司名稱：廈門泰尼電氣有限公司
聯(lián)系人：小黃（銷售代表）
聯(lián)系電話：0592-6809319
傳真號(hào)碼：0592-6890859（麻煩備注01006收）
手機(jī)：189-5019-1386微信同號(hào)
QQ號(hào)碼:2917675397
地址：廈門市海滄區(qū)海滄農(nóng)場(chǎng)海農(nóng)北里17號(hào)
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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