MDD093C-L-030

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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公司地址：福州市闽侯西江滨大道77号正荣润园一号楼1205

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Duniway NP-600 Nipple 6" Flange

Dwyer DH-010 DIGIHELIC

Dwyer DH-010 DIGIHELIC

Dwyer Magnehelic Pressure Gage Model 2002

Dymaxion DM200M Gas Analyzer 9P47 8804A W/ MDC MFG Extension

DYMO Rhino Labeller Metal Tape Embossing System Kit M1011

DYMO Rhino Labeller Metal Tape Embossing System Kit M1011

Dynatronix Board 138-0559-02 Rev D TS-7550 Rev C

Dynatronix RS-232C RS-485 Converter 999-0210-02

E. Leitz 050260 Power Supply Illumination Transformer Model 1173

Eagle Microscopes CMP240 W/ Light Source

Ealing Fresnel Rhomb,Achro,43-7665 1/4 Wave K801 THORLABS

ECHELON PCLTA-21 PCI LONTALK LONWORKS ADAPTER 801-0407-01 0535G

EDER CO2 Insufflator E1-03500-A2 Laparoflator

Edgecore Networks SMC-EZ1016DT EZ Switch 16-Port Fast Ethernet Switch

Edgewater Networks 4500T4 120-4500T4-01-A VoiP 4-Port T1 Router

Edmund Scientific Co. Eye Lens Straight Line Scale 15mm Scale

Edwards Datametrics 1605 Flow Controller

Edwards E2M18 Vacuum Pump, EMF20 Oil Mist Filter, FL20K Foreline Trap

EDWARDS PV25EKA ELECTROMAGNETIC HIGH VACCUM VALVE

Edwards PV40EKS Electromagnetic Vacuum Isolation Valve C41402000

EFI 45030985 PCBA, SDP PCI Card

EG&G 124A Lock-In Amplifier 116 Differential Preamplifier

EG&G 273 PRINCETON APPLIED RESEARCH POTENTIOSTAT/GALVANOSTAT

EG&G 5208 - Dual Channel Lock-In Amplifier 5 Hz to 20 KHz

EG&G HY-3204 HYDROGEN THYRATRON

EG&G Ortec AD413 QUAD 8K ADC Module

EG&G PARC Model 113 Low Noise Preamplifier

EG&G Reticon Linear Self-Scanned Photodiode Array RL0124SCQ-011

EGS Sola Heavi-Duty SDN 10-24-100P OVP Power Supply T65978

Eimac 4CX300Y/8561 400W Compact Power Tube 110 MHz

EIP 371 Source Locking Microwave Counter

EIP 538B Microwave Frequency Counter Option: 06 08

EIP 548A Frequency Counter 10Hz to 26.5GHz Option: 02 08

EIP 548A Frequency Counter 10Hz to 26.5GHz Option: 08

EIP 548A Frequency Counter 10Hz to 26.5GHz Option: 08

EIP 548A Frequency Counter 10Hz to 26.5GHz Option: W-36

EIP 578 Source Locking Microwave Frequency Counter 10Mhz - 26.5Ghz Option: 01

EIP model 548B Microwave Frequency Counter 10hz-26.5Ghz Option: 06

ELCO MODEL P300-48 POWER SUPPLY UNIT ASSEMBLY 48V 6.5A

ELCO MODEL P300-48 POWER SUPPLY UNIT ASSEMBLY 48V 6.5A

Electro-Craft E-652-M Motomatic Servo Amplifier Drive Speed Controller

ELECTROGLAS 114824-001 PCB 2.8V SOLENOID DRIVERS REV A

Electroglas 244288-001 Tester Interface PCB Board Rev. AC

Electroglas 4 Port Serial ASSY II PLC 246067-001 Fab Board

ELECTROGLAS PL TEMP LOGIX MUX ASSY 246713-001 Rev. K/M

ELECTROGLAS THETA Z FUNCTION II ASSY 245023-001 REV. M

ELECTROGLAS THETA Z FUNCTION II ASSY 245023-001 REV. M

Electroglas Theta,Z,Inker Driver PLC 244736-001

Electroglas Theta,Z,Inker Driver PLC 244736-001 Rev.B Fab 244737-001 Board

Elpac Power Supply WM113TT S/N:0117 W/K:9651

Eltek Valere HM1I-AUN-VC Eltek MINI HM Power System Shelf

Eltron LP2543PSAT Thermal Label Printer 120551-101

Emacs M1Z-6375P3 (ROHS) Power Supply Module 100-240V 47-63Hz 8-4A 375W

Emacs P1A-6200P Power Supply 200W 100-240V 26C-460228

Emacs R1Z-6400P Power Supply Backplane Cage Duo Unit

EMACS R2Z-6350P-R 354W HS POWER SUPPLY

Emacs XServ R2W-6461P-R 460W Redundant Hot Swap Server Power Supply

EMC 071-000-438 EMC 400W Power Supply API5SG06

EMC 500GB 7200rpm Hard Drive 005048696

EMC CX4-960 SP CPU MODULE 103-800-002C 2x CPU @ 2.33GHZ SLAEJ - NO RAM

EMC2 2Gb 4 Port Fibre Channel Director 200-563-920 For 8830 XX1847

EMC2 API4SG10 Power Supply Blower Module

Emerson 23-0000144-01 Rev. B 250W Power Supply

Emerson 573W Power Supply 7001540-J000

Emerson 675 Watt Power Supply 7001484-J000 Rev. W - 800102686

Emerson 7001578-J000 REV 39Y7216 39Y7218 675W Power Supply

Emerson 7001578-J000 REV 39Y7216 39Y7218 675W Power Supply

Emerson 73-610-117/118 switching power supply

Emerson AA27020L A256 600W AC Input Power Supply Oracle Sun 7047410 Rev. B2.1

Emerson DS2700PE-3 2700W Power Supply

Emerson Power Supply-ALM2B Model: 7001485-J000 P/N 23-0000092-02

Emission Control HL75 EMI Electromagnetic Interference Filter 75A 3PH 600VAC

Emulex Dual Port 10 Gigabit Ethernet Server Adapter Mfr P/N P005630-05B

Emulex FC1020013-02B Fiber Channel Adapter

Emulex FC1110407 PCI-X Fibre Card W/ Finisar Dual-Port FC1120006-01A

Emulex LPE11000-M4 PCI Express Host Bus Adapter

Emulex LPE11002-M4 4GB/S 2-Port Fiber Channel PCI Express Card

Emulex P006016-91K Dual Port Fiber Channel HBA LP PCI-E4x Adapter Card

Endace DAG 7.5G2 Rev B 1102380150

Endevco 2775 SIG Conditioner Module