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DCS系統(tǒng)故障診斷步驟
　　DCS系統(tǒng)一旦出現(xiàn)故障，正確分析和診斷故障發(fā)生的部位是當(dāng)務(wù)之急。故障的診斷就是根據(jù)經(jīng)驗(yàn)，參照發(fā)生故障的環(huán)境和現(xiàn)象，來(lái)確定故障的部位和原因。這種診斷方法因DCS系統(tǒng)產(chǎn)品不同而有一定差別。
　　1)是否為使用不當(dāng)引起的故障。這類故障常見的有供電電源錯(cuò)誤、端子接線錯(cuò)誤、模板安裝錯(cuò)誤、現(xiàn)場(chǎng)操作錯(cuò)誤等。
　　2)是否為DCS系統(tǒng)操作錯(cuò)誤引起的故障。這類故障常見的有某整定參數(shù)整定錯(cuò)誤、某設(shè)定狀態(tài)錯(cuò)誤造成的。
　　3)確認(rèn)是現(xiàn)場(chǎng)儀表設(shè)備故障還是DCS系統(tǒng)故障。若是現(xiàn)場(chǎng)一次儀表故障，修復(fù)相應(yīng)現(xiàn)場(chǎng)儀表。
　　4)若是DCS系統(tǒng)本身的故障，應(yīng)確認(rèn)是硬件毛病或是軟件故障。
　　5)若是硬件故障，找出相應(yīng)的硬件部位，更換模板?！?)若是軟件故障，還應(yīng)確認(rèn)是系統(tǒng)軟件或是應(yīng)用軟件故障。
　　7)若是系統(tǒng)軟件有故障，可重新啟動(dòng)看能否恢復(fù)，或重新裝載系統(tǒng)軟件重新啟動(dòng)。
　　8)若是應(yīng)用軟件故障，可檢查用戶編寫的程序和組態(tài)的所有數(shù)據(jù)，找出故障原因。
　　9)利用DCS系統(tǒng)的自診斷測(cè)試功能，DCS系統(tǒng)的各部分都設(shè)計(jì)有相應(yīng)的自診斷功能，在系統(tǒng)發(fā)生故障時(shí)一定要充分利用這一功能，來(lái)分析和判斷故障的部位和原因。

Schneider Modicon AS-2184-0011 CPU MODULE (115 VAC) 2.0 AMPS GOOD TAKEOUT

Schneider Modicon AS-M484-100 Memory Board W/Batteries

Schneider Modicon AS-B805-016 B805 115 VAC INPUT

Schneider Modicon Ser 984 PLC Rack Chasis Housing AS-H827-209

SIEMENS HTRI-D DUAL INPUT MODULE

Telemecanique Berger Lahr TLC6322F212161 in Box

RELIANCE ELECTRIC I/O PROCESSOR MODULE 45C200A

SIEMENS 7MH71561AA001AA MILLTRONICS SF500 INTERFACE NIB

SIEMENS SINUMERIK OP 032 6FC5203-0AB20-0AA1 NIB

Prosoft MVI56-ADM 'C' Communications Module MVI56DAM

SIEMENS Parameter Circuit Board 6SN1114-0AA01-0AA0

SIEMENS SIMODRIVE 6SN1145-1BA01-0BA1SINUMETIK 840D 6FC5247-0AA00-0AA26SN1123

SIEMENS 6FC3521-0AC-Z USPP 6FC35210ACZ

ALLENBRADLEY2706E43J128B1OPERATORINTERFACEDATA

Allen Bradley Terminal Board 9101-1779 Amphenol Connector /Sealed

ABB K - Line K-600S 600V 600A LI AIR CIRCUIT BREAKER

Zehnb 850 incircuit Test System Zehnb 810 ICT sold for parts

(SIEMENS) WARM BOOT 3RW4444-6BC44 good in condition for industry use

MITSUBISHI FRSX2-18.5K USPP FRSX2185K

ALLEN BRADLEY 1336VT-B050-EAS-FA2-L1 USPP 1336VTB050EASFA2

GENERAL ELECTRIC 6KDV3400Q2B20 NSFP 6KDV3400Q2B20

FLEXMATE INC 3-USP-G02 USPP 3USPG02

SIEMENS 6ES5-927-3SA12 USPP 6ES59273SA12

REXROTH DM-15K-1101-D USPP DM15K1101D

TOLEDO SCALE 4100PA NSFP 4100PA

Siemens 6ES5 524-3UA15 6ES55243UA15

Siemens 6FM1470-4AA25 6FM14704AA25 S5 w/ 6ES5 373-1AA81

SIEMENS 6ES5-451-8MD11 USPP 6ES54518MD11

Siemens 6ES5 375-0LA11 USPP 6ES53750LA11

Siemens S5 DIN RAIL MOUNTS INCLU 6ES5 710-8MA41

Siemens CABLE 6ES7 901-0BF00-0AA0 HMI MPI to S7-300

Siemens 6ES5 420-4UA14 -FS- 6ES54204UA14

Square D 8030 DLM-120

SCHNEIDER TELEMECANIQUE OTB1E0DM9LP ETHERNET INTERFACE MODULE FREE SHIP

WiredWIFIIndoorAudioSDRemote RecordiPhoneiPad

Siemens 6ES7953-8LG20-0AA0 128K MMC Card in Box ping

Siemens TP170A 6AV6 545-0BA15-2AX0 LCD Display 90%

Sick 7023059

Schneider Modicon ASH810208 PERFECT 800 Series Rack AS-H810-208

Schneider Modicon AS-B573-010 INPUT MODULE REPAIRED

Schneider Modicon Controller AS-J878-100

Schneider Modicon AS-H827-209 11-Slot PLC Module Rack Chassis 984

Schneider Modicon AS-B846-001 ANALOG MULTIPLEXER

Modicon 19" Operator Interface 557VCM74210 11141

SIEMENS 6ES7421-1BL01-0AA0 SIMATIC S7 DIGITAL INPUT MODULE 62669

Schneider Modicon 140CRA21110 MB Drop AC Module

SIEMENS MC S85 OPERATOR PANEL 853 362 GOOD TAKEOUT

SIEMENS Sinumerik 6FX1118-4AB01. I/O Interface Mod .

Siemens Simatic 6ES5525-3UA11 Communication Module

SIEMENS 6SN1123-1AA00-0HA1 Power Supply Module 8 Amp AS-IS

SIEMENS 6SN1123-1AB00-0AA1 SIMODRIVE LT-MODUL INT. 2X15A WORKING VERY CLEAN

SIEMENS 6FC5-210-0DA20-2AA1 MAIN MEMORY CONTROL UNIT MMC 103. 32MB DRAM

AllenBradleySLC500OutputModule1746-OW16SeriesA

Allen-Bradley 1 Pair AC Output Modules 2755-OA5S

ABB CIRCUIT BREAKER S5H 400 AMP 3P # S5H400EWS4 803NW

ADEPT TECH 90332-48050 NSFP 9033248050

(4459) Allen Bradley Industrial Computer 6181-CIBBBBZZZ (4459)

INDRAMAT MAC112A-0-VD-3-C/130-A-1 USPP MAC112A0VD3C130A

TOSHIBA VT130G2-4400 USPP VT130G24400

FANUC A06B-6044-H008 USPP A06B6044H008

DANFOSS 175L2045 USPP 175L2045

RELIANCE ELECTRIC 419003-R NSPP 419003R

NACHI F2C-T355-ZB25-94 USPP F2CT355ZB2594

MEASUREX 052940-00 USPP 05294000

Siemens 6ES5 377-0BB41 6ES53770BB41

Siemens 6ES5-752-0LA22 NSPP 6ES57520LA22

SIEMENS 6ES5-376-0AA31 USPP 6ES53760AA31

Siemens 6ES5 385-8MB11 6ES53858MB11 High Speed Counter

Siemens PG 615 Programmer 6ES5 615-0UA11 WOW

Siemens 6SE7014-0TP50-Z NIB

Siemens TP7 6AV3607-1NH00-0AX0 Touch Panel

Siemens 6SA8110-2BC00

METTLER TOLEDO B90074000A SERIAL INTERFACE MODULE NNB

XENPAK-10GB-SR 10GBASE-SR MODULE FOR CISCO

Siemens 6ES7 314-6BF00-0AB0 6ES7314-6BF00-0AB0 FreeShip

Siemens PLC 6ES7 216-2AD23-0XB0 6ES7216-2AD23-0XB0

Reliance 0-52003

Schneider Modicon AS-9534-002/AS9534002 7 Slot Chassis Rack

Schneider Modicon AS-B225-000 USPP ASB225000

Schneider Modicon AS-P800-003 NICE

Schneider Modicon AS-B805-016 OUTPUT MODULE ASB805016

Schneider Modicon AS-B275-501 10-60 VDC INPUT MODULE GOOD TAKEOUT

Modicon PanelMate Plus MM-PM10300C 92-01685-00 WOW

Siemens Simatic Input Module S7-400 6ES7431-1KF20-0AB0 QTY

Siemens 6ES7 322-1EH01-0AA0 -FS- 6ES73221EH010AA0

Siemens Simatic 6ES7 322-1BF01-0AA0 Output Module

SIEMENS 6DD1611-0AF0 NSFP 6DD16110AF0

SIEMENS Sinumerik System 800 6FC3988-7AF01 9 inch monitor

SIEMENS OFFER & WIN SIMODRIVE 6SN1130-1DB42-0CA0 VSA-MODUL

SIEMENS Simodrive 6SC9811-4CH00 TAKE-OUT Listed Elsewhere for $2460.31

SIEMENS Circuit Board 6FC9310-1MB01 _ 6FC93101MB01 _ DO-L1348-1A01

ADb PROX-H471

Allen-Bradley 1785-BCM Output Module

ABB ACS 600 FREQUENCY DRIVE 250HP ACS60402605000B00009R1

Actus Power AC Servo Control Controller NPSA-5NN-55E1 _ NPSA5NN55E1

6ES7317-2FJ10-0AB0 6ES7317-2FK13-0AB0 Brand , Factory Sealed,

90 5 acceptance

SIEMENS PXD63B140H NSFP PXD63B140H

BOSCH 1070075543-101 USPP 1070075543101

BAILEY CONTROLS IMASI-13 USPP IMASI13

MODICON AS-P890-300 NSFP ASP890300

KAWASAKI 50607-1075R03 USPP 506071075R03

CONTROL TECHNIQUES DXA-202 USPP DXA202

Siemens 6ES5 095-8MA04 6ES50958MA04

Siemens 6ES5-458-7LA12 USPP 6ES54587LA12

SIEMENS 6ES5 777-0BC01 BUS TERM L1 W/2METER CABLE

SIEMENS S5 6ES5 470-8MA12 ANALOG CARD

Siemens S5Input Module 6ES5921-3WB14 E Stand F

Siemens 6ES7231-0HC21-0XA0 6ES72310HC210XA0 FreeShip

SIEMENS SIMATIC PANEL PC 870 PC870 6AV7 743-2AC00-0AA0 Membrane Keypad

Siemens 6AW5463-OAB

HP Agilent 54650A HP-IB Interface Module Oscilloscope 54620C 54616C 54615B 54610

WS-X6748-GE-TX Cisco Express Forwarding 720 Interface Module Switch 48 ports -

Siemens 6ES5 921-3UA12 6ES59213UA12 IN BOX

Siemens LOGO! TD text display 6ED1 055-4MH00-0BA0

Omron c200h-ps211

Schneider Modicon AS-BNUL-200 PLC

Schneider Modicon ANALOG OUTPUT MODULE #AS-B872-011

Schneider Modicon AS-J474-000 NSPP ASJ474000

Schneider Modicon 864 Register Output Module AS-B864-001

Schneider Modicon BXT201/AS-WBXT-201

Schneider Modicon /24VDC 16-Pt Input Mod AS-B825-016

SLC500 DC Sink Input Module AB 1746-IB32/C

Schneider Telemecanique XBTGT5330 Touchscreen Glass

SIEMENS TEXAS INSTRUMENTS U-05T 16 POINT RELAY PLC OUTPUT MODULE U05TS5-4-123

SIEMENS 6AC6-935-4DA13/6AC6935-4DA13 INDUSTRIAL MONITOR MODULE XLNT

SIEMENS SINUMERIK 6FX1138-6BB01 6FX11386BB01

Durant 58801-400 58801400 Communications Module -

SIEMENS Simodrive LT Module Int 50A

SIEMENS SIMODRIVE 6SN1145-1BA01-0BA1SINUMETIK 840D NCU-BOX 6FC52476FC5357 BBE

ADLink NuDAQ ACL-6128A Isolated Analog Output Card NIB

ALLEN-BRADLEY 800MB-CPB16RAS PUSH BUTTON

ABB 20 HP ACH550-VDR-031A-4+F267 AC Drive w/ Bypass and Disconnect VFD

ACCU SORT 5400 USPP 5400

A06B-6066-H012 FANUC SERVO AMPLIFIER REMANUFACTURED

800 HP AC MOTOR 3/60/4160 VOLT 593 RPM 127 AMP

SIEMENS 3WN6231-0FC74-1FA1 USPP 3WN62310FC741FA1

ALLEN BRADLEY 8520-3S5A-BAT-EX4-S-1-2-3-5-7 USPP 85203S5ABATEX4S2

ALLEN BRADLEY 6155-RLYZGLCHGFZ USPP 6155RLYZGLCHGFZ

JOHNSON CONTROLS NU-DCM140-0 USPP NUDCM1400

GENERAL ELECTRIC DS3800NFCD1S1L USPP DS3800NFCD1S1L

YASKAWA ELECTRIC CIMR-F7U4018 USPP CIMRF7U4018

MODICON 140-CPS-114-20 USPP 140CPS11420

Siemens 6ES5-310-3AB11 NSPP 6ES53103AB11

SIEMENS 6ES5 430-8MB11 6ES54308MB11

SIEMENS S5 6ES5 458-4UA12 Relay Output Module

Siemens Digital Output Module 6ES5-451-8MA11 17038

SIEMENS 6ES7 222-1HF21-0XA0 6ES7222-1HF21-0XA0 FreeShip

Siemens OP277 6AV6643-0BA01-1AX0 Membrane Keypad

Ready bundle for WS-X6708-10G-3C 8 Cisco X2-10GB-ER

GE FANUC interface module ethernet smartstack 10baset IC300ETN100A

TEXAS INSTRUMENTS 500 5040 NETWORK INTERFACE Module

TSXASZ4Siemems 6SE5 942-7UB11 6SE5942-7UB11 115U CPU 942B

Siemens EM 222 6ES7 222-1BF22-0XA0 EM222 PLC

Modicon NW-BM85-000

Schneider Modicon AS-H827-103 800 Series 11-Slot I/O PLC Module Rack Chassis

Schneider Modicon AS-BDAP-250 Compact Combo ASBDAP250

Schneider Modicon AS-C484-005 USPP ASC484005

Schneider Modicon ASHDTA202 Compact 2 Slot Rack AS-HDTA-202

Schneider Modicon Input Module M AS-B805-016 ~ SURPLUS NIB

SCHNEIDER Telemecanique TSXDET1612 16-INPUT CARD NIB

SCHNEIDER AEG DAP208 INPUT MODULE 65

PVDM3-32 CISCO 32-CHANNEL HIGH-DENSITY VOICE AND VIDEO DSP MODULE

SIEMENS 6ES5441-4UA13 SIMATIC OUTPUT MODULE QUANTITY

SIEMENS 6DD1-671-0AB2 USPP 6DD16710AB2

JDSU FIREBERD 8000 Communication Analyzer with Diphase module

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA1SINUMETIK 840D NCU-BOX 6FC5247-0AA00-0AA2

SIEMENS SINUMERIK 840C HARD DISK 6FC5147-0AA13-0AA1

SIEMENS MOORE PRODUCTS 15921-21 BOARD NNB

Allen-Bradley Programming Terminal 1201-HAP

520FCOD ALLEN BRADLEY 520F COD

ABB SAFT 187 CON 58122203, , 58122203,

A06B-0148-B184#0075 FANUC SERVO MOTORS REMANUFACTURED

700 HP Custom 8000 Induction Motor 440 Volts Item #8426

PERCEPTRON 912-0010 USPP 9120010

ALLEN BRADLEY 1775-MSD USPP 1775MSD

ALLEN BRADLEY 1336S-BRF100-AA-EN5 NSPP 1336SBRF100AAEND

GENERAL ELECTRIC DS3800HRRB USPP DS3800HRRB

TEXAS INSTRUMENTS PLC 505-2556 USPP 5052556

STANLEY T801-115 USPP T801115

DEMIC DATENTECHNIK GMBH DE-2401 USPP DE2401

Siemens 6ES5 955-3LC42 6ES5188-3UA12 POWER SUPPLY

SIEMENS 6ES5 100-8MA02 6ES51008MA02

SIEMENS 6ES5-777-0BB01 BUS TERMINAL NIB

Siemens 6ES5 700-0LA12 6ES5 700-0LA12 SUBRACK CR0

Siemens 6DD1607-0CA1 6DD1 607-0CA1 in Box

Siemens LOGO! 12/24RC 6ED1052-1MD00-0BA6 NIB

Roland Fantom XR SRX-05 upgraded 128-Voice Synthesizer / Sampler Module-MIDI 2

Telemecanique TSXDMF342A

Siemens Simatic S7 6ES7 360-3AA01-0AA0 3603AA010AA0 Interface Module

WAGO 750-461 NSFP 750461

Siemens 7SJ6001-6EA00-1DA0/BB

Modicon AS-S902-051

Schneider Modicon DEP 218/AS-BDEP-218 Input Module ASBDEP218

Schneider Modicon AEG/GOULD// AS-W801-002 CABLE REMOTE I/O 1.5FT XLNT

Schneider Modicon AS-B875-102 USPP ASB875102

Schneider Modicon AS-584A-450

Schneider Modicon Input Module AS-B827-032 WARRANTY

Schneider Modicon AS-M680-108 Memory Module -

Schneider Automation Inc 140 DRC 830 00 140DRC83000 Output Module -

Siemens 505-4232 A Input Module 5054232A ++

RELIANCE ELECTRIC 57C-443A USPP 57C443A

Siemens 6FC5247-0AA02-1AA0 6FC52470AA021AA0 Sinumerik

SIEMENS Sinumerik Panelfront 6FC5203-0AF02-02-0AA0 Version L_6FC52030AF02020AA0

PLEASE SEE DESCRIPTION FOR EXACT FITTMENT

SIEMENS SERVO DRIVE 1P 6SN1123-1AA00-0KA1

SIEMENS Terminal Strip 6FC 9302-2AA __ 6FC93022AA

SIEMENS 6FC1113-6AA00 USPP 6FC11136AA00

ALLENBRADLEY1794-0B32PSERIESAFLEXI/OOUTPUTMODULE24VDC32POINT

ALLEN BRADLEY Solid State Timer Relay 700-RTC20100U1 WARRANTY

ABB M2QA315L4A 0102101451 184KW 240 HP 50hz 60hz ELECTRIC MOTOR 440Y 1782 RPM

Ziatech ZT8908 CPU 133 MHz Pentium 4Mb Flash 32 Mb DRAM with SVGA PCI Mezzanine

(U2-5) 1 NIB NORDSON 772003D CONTROL U2-5

MODICON 100-265-016 USPP 100265016

ALLEN BRADLEY 1387-B-B0A090-A2-B-F25 USPP 1387BB0A090A2BF2

GENERAL ELECTRIC DS3800HUMA1B1C USPP DS3800HUMA1B1C

FOXBORO 130F-N4 USPP 130FN4

SIEMENS 6ES7-414-2XG00-0AB0 USPP 6ES74142XG000AB0

SANYO DENKI 68AA150TFR02 USPP 68AA150TFR02

WERTH ENGINEERING 0220403 USPP 0220403

Siemens 6ES5 530-3LA12 COMMUNICATIONS PROCESSOR

Siemens CPU942F PN 6ES5 942-7UF14 FAILSAFE CPU NIB

SIEMENS 6ES5454-4UA13 6ES5 454-4UA13S5 454-4 Digital Output WARRANTY