6ES7 231-7PB22-0XA8 *熱電阻，模擬量

周圍環(huán)境溫度過高

原因：變頻器內(nèi)部是由無數(shù)個電子器件構(gòu)成的，其工作時會產(chǎn)生大量的熱量，尤其是IGBT工作在高頻狀態(tài)下，產(chǎn)生的熱量會更多。如果環(huán)境溫度過高，也會導致變頻器內(nèi)部元器件溫度過高，為保護變頻器內(nèi)部電路，此時變頻器會報溫度高故障并停機。

對策：降低變頻器所在場所的溫度，如可以加裝空調(diào)或風扇等強制制冷措施。 

4.2 變頻器通風不良

原因：如變頻器本身的風道堵塞或控制柜的風道被阻塞時，會影響變頻器內(nèi)部的散熱，導致變頻器過熱報警。

對策：定期檢修變頻器，清除其風道的垃圾，順暢風道。 

4.3 風扇卡阻或損壞

原因：變頻器風扇壞時，大量的熱量積聚在變頻器內(nèi)部散不出去。 

對策：更換風扇。

Omron 3G2S6-CPU33/3G2S6CPU33/3G2S6-CPU-33

 OMRON C200H-CPU02/C200HCPU02/C200H-MR431

 OMRON C200HS-CPU21-E/C200HSCPU21/C200HS-CPU21 

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 Omron 3G2S6-CPU33/3G2S6CPU33/3G2A3MP523

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 OMRON CQM1-CPU41-V1/CQM1CPU41V1 

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 Omron NT20M-LK203-EV1/NT20MLK203EV1

 Omron 3G2S6-CPU17/3G2S6CPU17/3G2A3MP523

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 OMRON CQM1-DA021/CQM1DA021/CQM1DAO21 

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Omron C200HG-CPU43-E/C200HGCPU43/C200HG-CPU43

 OMRON C200H-CT001-V1/C200HCT001V1 

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 OMRON E2EV-X10C2/E2EVX10C2