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IIMLM-01
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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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AUTOMATIC VALVE 409B43839A-AA PNEUMATIC SOLENOID VALVE 20V CONDITION
AUTOMATIC VALVE 409B53A9A-AA PNEUMATIC VALVE CONDITION
AUTOMATIC VALVE 409B53A9A-AA PNEUMATIC VALVE CONDITION
AUTOMATIC VALVE 409C43S39DS3AA4 SOLENOID / REGULATOR VALVE ASSY. CONDITION
AUTOMATIC VALVE 43B65S3S3-DB7 PNEUMATIC SOLENOID VALVE 48/24V
AUTOMATIC VALVE B7057-0-DB7 PNEUMATIC SOLENOID VALVE 24/48V USED CONDITION
AUTOMATIC VALVE B7057-0-DB7 PNEUMATIC SOLENOID VALVE CONDITION
AUTOMATIC VALVE D2003AAYR-D8 SOLENOID VALVE HAZARDOUS LOC CONDITION
AUTOMATIC VALVE P0605GAAR POPPET VALVE /2" NPT
AUTOMATIC VALVE P0605GAAR POPPET VALVE /2" NPT
AVK ALS4T-580-3.3 AL SERIES M5-0.8 THREADED INSERTS [SET OF 500] CONDITION
AVTRON M737A ROTARY ENCODER 240 PPR BC OPTION 2VDC CONDITION
AW COMPANY GMF VERSION 2. CONTROL BOARD NOS CONDITION /
B&R 7AT352.7 RTD INPUT MODULE AT3527
BALDOR DODGE 202 -3/4 TAPER LOCK BUSHING *SET OF 2 BUSHINGS*
BALDOR DODGE 257 -/4 TAPER LOCK BUSHING *SET OF 2 BUSHINGS*
BALDOR DODGE 30S40L TIGEAR 2 RIGHT ANGLE REDUCER SIZE 30 40: RATIO
BALDOR GMP3338 SPEED REDUCER 5: RATIO 55 IN/LBS OUTPUT TORQUE /3 HP
BALDOR RELIANCE CDX850 HAZARDOUS LOCATION MOTOR .5 HP 90VDC 750 RPM
BALDOR RG482 BRAKING RESISTOR ASSEMBLY 4800WATTS 2 OHMS
BALLUFF 358 LIMIT SWITCH
BALLUFF BES 2-KB-602-06/2 INDUCTIVE PROXIMITY SENSOR CONDITION /
BALLUFF BES 56324EOCPU PROX SENSOR !!
BALLUFF BES 56-377-E0-C-PU-03 553965 PROXIMITY SWITCH !!!
BALLUFF BES 56-377-E0-C-PU-03 553965 PROXIMITY SWITCH !!!
BALLUFF BES20KB602042 INDUCTIVE PROX SWITCH !!
BALLUFF BES-56-327-G-E5-Y-S 4 PROXIMITY SENSOR P/N 552282 5MM IN PACKAGE
BALLUFF BES-56-327-S4-C INDUCTIVE PROXIMITY SENSOR 0-30V 0MM IN PACKAGE
BALLUFF BES-56-327-S4-C INDUCTIVE PROXIMITY SENSOR 0-30V 0MM IN PACKAGE
BALLUFF BES56-437-E5-L-S2 PROXIMITY SENSOR/SWITCH 8MM 20-250VAC IN PACKAGE
BALLUFF BES56-437-E5-L-S2 PROXIMITY SENSOR/SWITCH 8MM 20-250VAC IN PACKAGE
BALLUFF BES-56-B02-PA-2-602- PROXIMITY SWITCH
BALLUFF BES-56-B03-PA-2-602- PROXIMITY SWITCH
BALLUFF BES-56-B06-KHG-2-602- PROXIMITY SWITCH
BALLUFF BES-56-B3-PA-2-602- PROXIMITY SWITCH UNIT
BALLUFF BISC-650 ELECTRONIC ID SYSTEM BISC-602-09
BALLUFF BLS8E-XX-P-E5-X-S4 THRU BEAM PHOTOELECTRIC EMITTER IN PACKAGE
BALLUFF BMF 08M-PS-C-2-KPU-03 PROXIMITY SENSOR IN PACKAGE
BALLUFF BNS-59-B06-R08-40--93 PROXIMITY SWITCH
BALLUFF BNS-59-B06-R08-40--93 PROXIMITY SWITCH
BALLUFF BNS59D2L2000 PROXIMITY / INDUCTIVE SWITCH
BALLUFF BNS59-DR2-00-0 PROXIMITY SWITCH NNB
BALLUFF BNS89-X52-00-E-3-S4 LIMIT SWITCH 32786 CONDITION IN PKG
BALLUFF BTL2-P2-094-F-KA05 PROFILE HOUSING LINEAR TRANSDUCER 8.979US/IN NNB
BALLUFF BTL5-A-M0230-Z-S32 MICROPULSE TRANSDUCER 0373496
BALLUFF BTL5-A-M0280-Z-S32 MICROPULSE LINEAR TRANSDUCER 023327572 NIB
BALLUFF MODEL BES56-604-EZ-3 CONTROL MODULE
BALLUFF MODEL BNS-59-D06-D2-262-0 PRECISION LIMIT SWITCH
BALLUFF MODEL BNS89-B4-K0-46- PROXIMITY SWITCH CONDITION
BALLUFF RGPT 3005-V25-SA0-PU-0 PROXIMITY SENSOR CONDITION IN PACKAGE
BALOGH ERC85/QC TRANSCEIVER UNIT
BALOGH OFR-93 PASSIVE RF TAG CONDITION
BALOGH PWR24EXT0.5M 300V 8AWG 5P EXT CORDSET (2)
BANDO 250-58M-600 TIMING BELT 8MM PITCH CONDITION
BANDO 270L-075 SYNCHRO-LINK SERIES TIMING BELTS (SET OF 2)
BANDO KYOTO 200S5M920 SYNCHRO-LINK STS TIMING BELT (SET OF 4) CONDITION
BANDO POWER ACE 8V2500 V-BELT 250" 8V-2500
BANDO POWER ACE 8V2500 V-BELT 250" 8V-2500
BANNER 2026 FIBER END ASSEMBLY BT2S
BANNER 2026 FIBER END ASSEMBLY BT2S
BANNER 2LM3 2 WIRE AC LOGIC MODULE 6536
BANNER 2LM3 2 WIRE AC LOGIC MODULE 6536
BANNER 2PBA 2 WIRE MULTI-BEAM AC POWER BLOCK P/N 6546
BANNER 2PBA 2 WIRE MULTI-BEAM AC POWER BLOCK P/N 6546
BANNER 33436 T30SP6FF200Q FIXED FIELD PROXIMITY SENSOR 200MM RANGE
BANNER 36357 CORDSET 3P FEMALE 8/3 AWG SMICC-330
BANNER 53395 SMB46X3 ADJUSTABLE MOUNTING BLOCK *LESS HEX KEY/SCREWS*
BANNER 603 PHOTOELECTRIC AMPLIFIER LOGIC MODULE B4-2L CONDITION /
BANNER 603 PHOTOELECTRIC AMPLIFIER LOGIC MODULE B4-2L CONDITION /
BANNER 6385 PBA- 2 WIRE MULTIBEAM AC POWER BLOCK !
BANNER 6385 PBA- 2 WIRE MULTIBEAM AC POWER BLOCK !
BANNER 75273 SPLITTER ASSEMBLY CSB-M24M24 4-PIN MICRO CONNECTOR
BANNER AP3-040V VERTICAL SLOTTED APERTURE ( PACKAGE OF 20)
BANNER BM752S SENSOR FIBER OPTIC ASSEMBLY
BANNER BME248A LIGHT CURTAIN EMITTER 24" P/N 2709
BANNER BMR248A BEAM-ARRAY LIGHT CURTAIN RECEIVER 24" EXCELLENT USED CONDITION
BANNER BN2-2 NAND GATE 8-PIN BASE +5V NIB!!!
BANNER BN2-2 NAND GATE 8-PIN BASE +5V NIB!!!
BANNER BTAR.753S FIBER OPTIC END ASSEMBLY 3' P/N 20880
BANNER BTAR.753S FIBER OPTIC END ASSEMBLY 3' P/N 20880
BANNER CI3RC CURRENT SENSOR CI3 SERIES 0/220VAC !!
BANNER CI3RC2 CURRENT TRIP POINT MODULE W/ 700-HN26 BASE USED CONDITION
BANNER CI3RC2 CURRENT TRIP POINT MODULE W/ 700-HN26 BASE USED CONDITION
BANNER CIBK-2 CURRENT TRIP POINT MODULE W/MOUNT
BANNER IR2. 53SM2.5 FIBER OPTIC CABLE WITH PANCAKE HEAD 7879 CONDITION
