西門子S7-1500PLC開機小面板黑屏不亮維修

西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)S7-1500CPU開(kai)機無(wu)(wu)顯示維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)CPU1500上電(dian)(dian)黑(hei)屏(ping)(ping)不(bu)亮(liang)(liang)維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)CPU1500啟(qi)動(dong)面(mian)板(ban)不(bu)亮(liang)(liang)維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)CPU1500上電(dian)(dian)無(wu)(wu)顯示維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)CPU1500上電(dian)(dian)屏(ping)(ping)幕不(bu)亮(liang)(liang)維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)CPU1500上電(dian)(dian)無(wu)(wu)反應維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)CPU1500上電(dian)(dian)不(bu)啟(qi)動(dong)維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)CPU1500接錯(cuo)電(dian)(dian)燒壞維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)CPU1500啟(qi)動(dong)亮(liang)(liang)紅燈(deng)維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)PLC1500接錯(cuo)電(dian)(dian)燒壞維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)PLC1500PLC1500啟(qi)動(dong)亮(liang)(liang)紅燈(deng)維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)PLC1500網口燈(deng)不(bu)亮(liang)(liang)維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)PLC1500通(tong)訊連接不(bu)上維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)PLC1500上電(dian)(dian)無(wu)(wu)法啟(qi)動(dong)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)PLC1500啟(qi)動(dong)面(mian)板(ban)顯示白屏(ping)(ping)維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)S7-1500PLC開(kai)機指示燈(deng)不(bu)亮(liang)(liang)維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)S7-1500PLC撥碼開(kai)關(guan)(guan)壞維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)S7-1500PLC開(kai)關(guan)(guan)斷掉(diao)維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)S7-1500PLC啟(qi)動(dong)進度條走(zou)完就黑(hei)屏(ping)(ping)不(bu)亮(liang)(liang)維(wei)(wei)(wei)(wei)(wei)修(xiu)，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)S7-1500PLC面(mian)板(ban)顯示未找到任何接口，西(xi)門(men)(men)(men)子(zi)(zi)(zi)(zi)(zi)S7-1500PLC面(mian)板(ban)一(yi)直顯示連接狀態

I/O接口是PLC與輸入/輸出設備連接的部件。輸入接口接受輸入設備（如按鈕、傳感器、觸點、行程開關等）的控制信號。輸出接口是將主機經處理后的結果通過功放電路去驅動輸出設備（如接觸器、電磁閥、西門子S7-1500PLC開機小面板黑屏不亮維修指示燈等）。I/O接口一般采用光電耦合電路，以減少電磁干擾，從而提高了可靠性。I/O點數即輸入/輸出端子數是PLC的一項主要技術指標，通常小型機有幾十個點，中型機有幾百個點，大型機將超過千點。