描述

充分合理利用軟、硬件資源
1、不參與控制循環(huán)或在循環(huán)前已經(jīng)投入的指令可不接入PLC；

2、多重指令控制一個(gè)任務(wù)時(shí)，可先在PLC外部將它們并聯(lián)后再接入一個(gè)輸入點(diǎn)；

3、盡量利用PLC內(nèi)部功能軟元件，充分調(diào)用中間狀態(tài)，使程序具有完整連貫性，易于開(kāi)發(fā)。同時(shí)也減少硬件投入，降低了成本；

4、條件允許的情況下最好獨(dú)立每一路輸出，便于控制和檢查，也保護(hù)其它輸出回路；當(dāng)一個(gè)輸出點(diǎn)出現(xiàn)故障時(shí)只會(huì)導(dǎo)致相應(yīng)輸出回路失控；

5、輸出若為正/反向控制的負(fù)載，不僅要從PLC內(nèi)部程序上聯(lián)鎖，并且要在PLC外部采取措施，防止負(fù)載在兩方向動(dòng)作；

6、PLC緊急停止應(yīng)使用外部開(kāi)關(guān)切斷，以確保安全。

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主營(yíng)：世界知名品牌的PLC、DCS系統(tǒng)備件模塊

①Allen-Bradley(美國(guó)AB)系列產(chǎn)品》

②Schneider(施耐德電氣)系列產(chǎn)品》

③General electric(通用電氣)系列產(chǎn)品》

④Westinghouse（美國(guó)西屋）系列產(chǎn)品》

⑤SIEMENS(西門子系列產(chǎn)品)》

⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。

⑦estinghouse（西屋）：OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。

⑧Invensys Foxboro（?？怂共_）：I/A Series系統(tǒng)，F(xiàn)BM（現(xiàn)場(chǎng)輸入/輸出模塊）

順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)

據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余（TMR）

結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。

⑨Siemens(西門子)：Siemens MOORE，Siemens Simatic C1，Siemens數(shù)控系統(tǒng)等。

⑩Bosch Rexroth（博世力士樂(lè)）：Indramat，I/O模塊,PLC控制器,驅(qū)動(dòng)模塊等。

◆Motorola（摩托羅拉）：MVME 162、MVME 167、MVME1772、MVME177等系列。

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