GE IC660BBD110
咨詢熱線--17750626260
輸出接線
(1)可編程控制器有繼電器輸出、晶閘管輸出、晶體管輸出3種形式。
(2)輸出端接線分為獨立輸出和公共輸出。當(dāng)PLC的輸出繼電器或晶閘管動作時,同一號碼的兩個輸出端接通。在不同組中,可采用不同類型和電壓等級的輸出電壓。但在同一組中的輸出只能用同一類型、同一電壓等級的電源。
(3)由于PLC的輸出元件被封裝在印制電路板上,并且連接至端子板,若將連接輸出元件的負(fù)載短路,將燒毀印制電路板,因此,應(yīng)用熔絲保護(hù)輸出元件。
(4)采用繼電器輸出時,承受的電感性負(fù)載大小影響到繼電器的工作壽命,因此繼電器工作壽命要求長。
(5)PLC的輸出負(fù)載可能產(chǎn)生噪聲干擾,因此要采取措施加以控制。
此外,對于能使用戶造成傷害的危險負(fù)載,除了在控制程序中加以考慮之外,還應(yīng)設(shè)計外部緊急停車電路,使得可編程控制器發(fā)生故障時,能將引起傷害的負(fù)載電源切斷。
交流輸出線和直流輸出線不要用同一本電纜,輸出線應(yīng)盡量遠(yuǎn)離高壓線和動力線,避免并行。
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廈門莫格電氣自動化有限公司
聯(lián)系人:張芳(銷售工程師)
手 機(jī):17750626260
Q Q:177763184
郵 箱:177763184@qq.com
傳 真:0596-6514751(請備注張工收)
網(wǎng) 址:http://www.mogget.cn/
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