PLC系統(tǒng)故障可分為內(nèi)部故障和外部故障兩在類,內(nèi)部故障指PLC本身的故障,外部故障指系統(tǒng)與實(shí)際過程相連的傳感器、檢測(cè)開關(guān)、執(zhí)行機(jī)構(gòu)等部分的故障。PLC系統(tǒng)的故障分布情況如圖1所示:
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BM116908
165020-001
168130-002
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02-DSKSYS-LN-NM
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EPL-X34-010G
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Mx46 100ft 955
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7300 P730A0A0A0B0A0A
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E1401B VXI
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