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MDD112A-N-040
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PLC控制系统故障率情况是怎样的？
1）CPU与存储器故障率占5%。
2）I/O模块故障率占15%。
3）传感器及开关故障率占45%。
4）执行器故障率占30%。
5）接线等其他方面故障率占5%。
02
PLC的故障多发点有哪些？
1）继电器、接触器。
2）阀门、闸板。
3）开关、极限位置、安全保护、现场操作的一些元件或设备。
4）PLC系统中的子设备。
5）传感器、仪表。
6）电源、地线、信号线的噪声。
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CUTTLER HAMMER OPCON 8880C-6502 PHOTOELECTRIC CONTROL UNIT-LOW LEAKAGE
D031 TOSHIBA 5-24VDC OUT
DADCO L.750.019.TO GAS SPRING
DADCO NITGROGEN GAS SPRING 90.10.03000.025.TO
DAESUNG-NACHI SS-GO1-E3X-R-C1-20 WET SOLENOID OPERATED DIRECTIONAL CONTROL VALVE
DAIKI TRANSFORMER TYPE 508 CAP 550
DAIKIN LOW WATT SOLENOID CONTROLLED VALVE LS-G02-2CP-30-EN
DAIKIN MODEL#KSO-G02-2BA-10-N SOLENOID CONTROLLED VALVE
DAIKIN SOLENOID CONTOLLED PILOT OPERATED VALVE JSP-G02-4CA-20
DAIKIN SOLENOID CONTROLLED VALAVE LS-G02-2NP-30-EN
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DANLY 6-1628-822 CAGE 2.00IDX7.000 OAL-TYPE II
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DC MOTOR CONTROLLER CTL-2002
DCM 6135-239 CMS-2PCX SOUND POWER SUPPLY BOARD
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DELTA/BALDOR-35K652-2112,3HP,460V,R.P.M.1725,3PH MOTOR
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DILLON AFG-5N ADVANCED FORCE GAUGE
DINNECTORS DN-Q12 TERMINAL BLOCK (B0X 0F 37)
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DODGE 112879 P56-8M-30 2012 HEAT TREATED SPROCKET HT TL SPKT MJ
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