GJR5251400R3202 高品质 低成本 短交期

36A358241AAG01 MOV ASM
36A358250AC001 LATCH
36A358250AC002 LATCH
36A358256AAG01 CAPACITOR ASM
36A358260CX001 GASKET
36A358941AAG02 MAINTENANCE KIT DC2000 JU
36A359100CDG02 29PLM CABLE LAN DC D
36A359100CDG04 29PL MICRO APPL CARD
36A359100CRG01 RPL CABLE
36A359100CRG02 RPL CABLE
36A359100CRG03 PANEL RPLDC E
36A359100CYG13 OPTPL JUMPER
36A359100CYG14 LTB/3TB 115V FEED CARD

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描述

从可靠性和可维护性上看,由于电器控制系统使用了大量的机械触点,其存在机械磨损、电弧烧伤等,寿命短,系统的连线多,所以可靠性和可维护性较差。而PLC大量的开关动作由无触点的半导体电路来完成,其寿命长、可靠性高,PLC还具有自诊断功能,能查出自身的故障,随时显示给操作人员,并能动态地监视控制程序的执行情况,为现场调试和维护提供了方便。

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