6FC5203-0AF52-1AA0
PLC控制系統(tǒng)故障率情況是怎樣的？
1）CPU與存儲(chǔ)器故障率占5%。
2）I/O模塊故障率占15%。
3）傳感器及開(kāi)關(guān)故障率占45%。
4）執(zhí)行器故障率占30%。
5）接線等其他方面故障率占5%。
02
PLC的故障多發(fā)點(diǎn)有哪些？
1）繼電器、接觸器。
2）閥門(mén)、閘板。
3）開(kāi)關(guān)、極限位置、安全保護(hù)、現(xiàn)場(chǎng)操作的一些元件或設(shè)備。
4）PLC系統(tǒng)中的子設(shè)備。
5）傳感器、儀表。
6）電源、地線、信號(hào)線的噪聲。
福州卓凱電子科技有限公司聯(lián)系人：小林
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