1756-IV32
1756-IV32
1756-IV32
為了進(jìn)一步提高可編程邏輯控制器的可靠性，對(duì)大型可編程邏輯控制器還采用雙CPU構(gòu)成冗余系統(tǒng)，或采用三CPU的表決式系統(tǒng)。這樣，即使某個(gè)CPU出現(xiàn)故障，整個(gè)系統(tǒng)仍能正常運(yùn)行。
三、存儲(chǔ)器
存放系統(tǒng)軟件的存儲(chǔ)器稱為系統(tǒng)程序存儲(chǔ)器。
存放應(yīng)用軟件的存儲(chǔ)器稱為用戶程序存儲(chǔ)器。
四、輸入輸出接口電路
1．現(xiàn)場輸入接口電路由光耦合電路和微機(jī)的輸入接口電路，作用是可編程邏輯控制器與現(xiàn)場控制的接口界面的輸入通道。
2．現(xiàn)場輸出接口電路由輸出數(shù)據(jù)寄存器、選通電路和中斷請(qǐng)求電路集成，作用可編程邏輯控制器通過現(xiàn)場輸出接口電路向現(xiàn)場的執(zhí)行部件輸出相應(yīng)的控制信號(hào)。
五、功能模塊
如計(jì)數(shù)、定位等功能模塊。
【公 司】： 福建鴻飛達(dá)自動(dòng)化科技有限公司
【主 營】： AB(羅克韋爾)PLC全系列、ABB機(jī)器人系統(tǒng)備件、施耐德140/TSX、西門子6SN/6FC、伺服系統(tǒng)全套等
【價(jià) 格】： 電議
【發(fā)布人】： 程先生
【電 話】： 15306977024 13625073704
【所在地】： 福建 - 福州
【坐 機(jī)】： 0591-83532940
【Q Q】： 2851617309
【傳 真】： 0591-88263940
【郵 箱】： 2851617309@qq.com
產(chǎn)品價(jià)格以電話或者QQ詢價(jià)為準(zhǔn)，發(fā)布價(jià)格不做參考，圖片也一樣
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lockner Moeller Contactor, DIL0M-G *
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