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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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Advantech PCL-733 32-ch Isolated Digital bbbbb ISA Card

Advantech PCL-734 32-ch Isolated Digital Output ISA Card

AE Advanced Energy 3150003-006 RF Power Supply - Auto-Match 13MHz

AEG Thyro-A 1A-500-16-H1 Universal Thyristor Power Controller

Aera FC-782 MFC 200 SLM N2 w/ Cable

Aera FC-982 MFC 30 SLM N2 w/ Cable

Aera FC-982C MFC 50 SLM/50000 SCCM O2/N2 w/ Cable

Aera TC FC-782 MFC 200 SLM/200000 SCCM N2 w/ Cable

Aerotech UFM-ST Universal Filter Module - Reduces noise of Switching Servo-Amps

Agilent 34970A Data Acquisition/Switch Unit

Agilent 34970A Data Acquisition/Switch Unit w/ 34907A DIO/Totalize/DAC Module

Agilent 8765F 75 OHM Coaxial Switch DC-4 GHz w/ Option 005 100

Agilent E1302A VME/VXI Mainframe 20 Slot

Agilent E1345-80001 E1345A Terminal Module

Agilent E1370A Microwave Switch / Attenuator Driver w/ HP 8494G 11dB Attenuator

Agilent E1370A Microwave Switch / Attenuator Driver w/ HP 8495G 70dB Attenuator

Agilent E8401A VXI Mainframe

Agilent HP 94802-61062 1MHz 16-Bit Digitizer for HP 94000 or 9495 Test Systems

Agilent HP E3003-61001 CONT OPT IF Module - for HP9490/HP94000 Series Systems

Agilent HP E3003-61002 MA OPT IF #1 Module for HP 94000 or 9495 Test Systems

Agilent HP E3003-61053 MA CLK #3 Module for HP 94000 or 9495 Test Systems

Agilent HP E3003-61055 ANLG TMG GEN #1 Module for HP 94000 or 9495 Test Systems

Agilent HP E3003-61058 Time Measure Module for HP 94000 or 9495 Test Systems

Agilent HP E3003-61060 MA CLK DISTR #1A Module for HP 94000 Test System

Agilent HP E3003-61065 1M ACC MEM #1 Module for HP 94000 or 9495 Test Systems

Agilent HP E3003-61067 DC TMG GEN A Module for HP 94000 or 9495 Test Systems

Agilent HP E3003-61070 MA CLK #1 Module for HP 94000 Test System

Agilent HP E3004-61030 Power Supply for HP 94000 or 9495 Test System

Agilent HP E3004-61030 Power Supply for HP 94000 Test System

Agilent HP E3004-61033 Power Supply for HP 94000 Test System

Agilent HP E3004-61035 Power Supply for HP 94000 Test System

Agilent HP E3004-61040 THPS Controller Module for HP 94000 or 9495 Test Systems

Agilent HP E3004-61060 2V/100A Power Supply for HP 94000 or 9495 Test Systems

Agilent HP E3005-61066 Optical Isolator Board for HP 94000 or 9495 Test Systems

Agilent HP E3007-61002 MA OPT IF #1 Module for HP 94000 Test System

Agilent HP E3007-61003 40V/0.1A PMU A Module for HP 94000 Test System

Agilent HP E3007-61004 PMU GND A Module for HP94000 Test System

Agilent HP E3007-61032 DPS MOD Module - for HP 94000 Test Systems

Agilent HP E3007-61034 DUT Power Supply B Module - for HP 94000 Test Systems

Agilent HP E3008-61022 500k/16 AWG Module for HP 94000 Test System

Agilent HP E3008-61026 1M WS AWG SEQR #1 Module for HP 94000 Test System

Agilent HP E3008-61062 bbbbb Amplifier Module for HP 94000 or 9495 Test Systems

Alicat Scientific MC-1SLPM-PROFIBUS Gas N2 Mass Flow Controller Range 11bar,POP

Allen Bradley 100S-C09DJ14BC Contactor Non-Reversing 600V MAX 9A MAX

Allen Bradley 100S-C23DJ14C MCS Safety Contactor 23A 3P 24VDC Coil - Lot of 4

Allen Bradley 100S-C60DJ13C Safety Contactor w/ 100-C60D*00 & 100S-B 600VAC 90A

Allen Bradley 1606-XLP95E AC/DC Compact Power Supply 24-28VDC 95W 120/230V AC

Allen Bradley 1734-EP24DC /B Point I/O Expansion Power w/ 1734-RTB Terminal 2011

Allen Bradley 1734-IB8 /C FW 3.022 w/ 1734-MB Base & 1734-RTB Terminal - 2011

Allen Bradley 1790-T0B16X 1790D-T16BV0 CompactBlock LDX Expansion & 16in DCPower

Allen Bradley 1794-ACN15 FlexI/O Control Net Adapter Ser. C w/ 1786-TPR Cable

Allen Bradley 1794-IF2X0F2I Analog Combo F/W Rev I w/ 1794-TB3 - 2010 Model

Allen Bradley 1794-OE4 Analog Output Ser. B Rev C06 w/ 1794-TB3 Terminal

Allen Bradley 1794-PS13 Flex I/O Power Supply 1.3A 85-264VAC TO 24VDC Ser. B

Allen Bradley 190S-ANDJ2-CC16C 190S Compact Starter w 140M-C2E-B16 & 100-C09D*10

Allen Bradley 20-750-DNET DeviceNet Option Card -

Allen Bradley 2090-SCVP10-0 10M SERCOS Fiber-Optic Cable, PVC Jacket, Plastic

Allen Bradley 2090-XXNPHF-14S04 Power Cable 4M for H & F Series Servo-Motors

Allen Bradley 2098-DSD-010 Ultra3000 Servo Drive Ser. C FW V1.52 1P 120/220V

Allen Bradley 22D-D2P3N104 PowerFlex 40P AC Drive 3PH 0.75kW/1HP - 2011 Model

Allen Bradley 294E-FD2P5Z-G2 ArmorStart LT VFD Motor Controller 1HP ENET Cables

Allen Bradley 700S-CFB620ZJC Safety Control Relay

Allen Bradley 9101-1380-010 Encoder Cable J2 to NO Connector P24600-E10

Allen Bradley 9300-RADM1 Series B Remote Access Dial-In Modem

Allen Bradley F-4030-Q-H00AA Servo-Motor 1.4kW/1.88hp 4000rpm - Series A

Allen Bradley F-4030-Q-H04AA Servo-Motor & Parker PS115-100-SH Gearhead 100:1

Allen Bradley F-4030-Q-H04AA Servo-Motor 1.4kW/1.88hp 4000rpm - Series A

Allen Bradley Kinetix 6000 2094-BMP5-S Servo Drive/Axis Module 4A 400/460V Ser.B

Allen Bradley MPL-A220T-VJ42AA Servo-Motor 200V 3P .62kW 6000 rpm - 2010 Model

Allen Bradley MPL-A220T-VJ44AA Servo-Motor w/ Brake 200V 3P .62kW - 2010 Model

Allen Bradley MPL-B1510V-VJ42AA AC Servo Motor 0.16kW 460V 3P - 2010 Models

Allen Bradley MPL-B1510V-VJ42AA AC Servo Motor 0.16kW 460V 3P - 2010 Models

Allen Bradley MPL-B1530U-VJ42AA AC Servo Motor .39kW/.5HP 460V 3P - Year 2011

Allen Bradley MPL-B1530U-VJ44AA AC Servo Motor 0.39kW/.5HP 7000 RPM 460V w/Brake

Allen Bradley MSR-138.1DP Safety Relay Cat# 440R-M23084 Series B

Allen Bradley PowerFlex 70 15HP AC-Drive 20AD022A3NYNACNN

Allen Bradley PowerFlex 70 1HP AC-Drive 20AD2P1A3NYNACNN & ControlNet 20-COMM-C

Allen Bradley PowerFlex 70 2.2kW AC-Drive 20AD5P0A3NYNACNN ControlNet 20-COMM-C

Allied Vision Guppy GF-033C IRF Camera w/ Computar 5mm 1:1.4 1/2 Lens

Alloy Products HMDS Canister / Pressure Vessel - For DNS-80B, bbb or other tool

Alloy Products MDMT Pressure Vessel 140 PSI w/ Pressure Regulator & Relief Valve

Altech PSP-480S24 Power Supply 24V 20A 480W - bbbbb 110/200VAC Din Rail Mount

AMAT Rorze LS-208 LS-209 Wafer Loader

AMAT Rorze PA179049 Wafer Aligner w/ CC-0233 Interface

AMAT Rorze Wafer Elevator

AMCI NX1F4D Nexus Multi Axis Stepper Controller w/ Devicenet Option

AMCI NX1F4D Nexus Multi Axis Stepper Controller w/ Devicenet Option & Cables

American Optical one-Ten Miroscope model# 1130 w/ 4x 10x 40x & 100x bbbbbbives