YYT102B模塊

時(shí)間：2023-07-20作者：福州聚福興自動(dòng)化有限公司瀏覽：46

YYT102B模塊
YYT102B模塊
YYT102B模塊


在冗余控制系統(tǒng)中，整個(gè)PLC控制系統(tǒng)（或系統(tǒng)中重要的部分，如CPU模塊）由兩套完全相同的系統(tǒng)組成。兩塊CPU模塊使用相同的用戶(hù)程序并行工作，其中一塊是主CPU，另一塊是備用CPU；主CPU工作，而備用CPU的輸出是被禁止的，當(dāng)主CPU發(fā)生故障時(shí)，備用CPU自動(dòng)投入運(yùn)行。這一切換過(guò)程是由冗余處理單元RPU控制的，切換時(shí)間在1~3個(gè)掃描周期，I/O系統(tǒng)的切換也是由RPU完成的。
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福州聚福興自動(dòng)化有限公司專(zhuān)注于進(jìn)口自動(dòng)化成套控制系統(tǒng),機(jī)電設(shè)備,工業(yè)自動(dòng)化設(shè)備等, 歡迎致電 18950868731

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