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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)場儀表設(shè)備故障還是DCS系統(tǒng)故障。若是現(xiàn)場一次儀表故障，修復(fù)相應(yīng)現(xiàn)場儀表。
　　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。　6)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，可重新啟動看能否恢復(fù)，或重新裝載系統(tǒng)軟件重新啟動。
　　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，來分析和判斷故障的部位和原因。

AC Motor Speed Control VFD - 25 HP - 480 Volt - Three Phase Input

A06B-0147-B075#0008 FANUC SERVO MOTORS REMANUFACTURED

(00 no lot#) ITE Circuit Breaker HNXD63B120 1200A 600V

LORAIN PRODUCTS ES371AMB USPP ES371AMB

ALLEN BRADLEY 2711-T10C8 FNFP 2711T10C8

GETTYS 110-114 USPP 110114

ASEA BROWN BOVERI YB560103-CD/24 USPP YB560103CD24

MODICON 557VIC10400 USPP 557VIC10400

INDRAMAT MDD093A-N-030-N2L-110PB0 USPP MDD093AN030N2L1A

ASEA BROWN BOVERI GNT0137211P5 USPP GNT0137211P5

TRIAD TR-18-8K-20 USPP TR188K20

Siemens 6ES5-450-3AA11 NSFP 6ES54503AA11

SIEMENS 6ES5 700-0LA11 6ES57000LA11

SIEMENS S5 6ES5 374-1KH215V Flash 256 kByte Memory 16Bit

Siemens S5 6ES5 955-3LF11 6ES5955 6ES595553LF11

Siemens 6ES7 972-0BA41-0XA0 6ES7972-0BA41-0XA0

Siemens S7 6ES7307-1BA00-0AA0

Siemens 335-37

Honeywell Interface Module Communicating Thermostat Telephone Access Module

WARRANTYSERIES A F/W REV 4.2

Siemens 6DS1730-8AA 6DS17308AA in box, seal opened,

Siemens LOGO! 24RCL PLC 6ED1 053-1HB00-0BA2

Omron 3G2A5-RM001-PEV1

Schneider Modicon AS-M680-008 8K 8 K RAM Memory Module

Schneider Modicon P800 POWER SUPPLY AS-P800-003

Schneider Modicon AS-H827-000 USPP ASH827000

Schneider Modicon GROUPE AS-HDTA-200 NNB

Schneider Modicon AS-BDEP-218

Schneider Modicon S201 S202 AS-201P-000 AS-202P-000 Board

TELEMECANIQUE Magelis HMI XBT-G2330 XBTG2330

SCHNEIDER Telemecanique Switch XB4 BVB1

SIEMENS/TEXAS INSTRUMENTS 2 AMP OUTPUT MODULE 505-3716

Siemens 6AV6 542-0AD15-2AX0 MP270 Simatic Multi Panel

SIEMENS SINUMERIK 6FC5203-0AF02-0AA0 MembraKeypad

GE FANUC CCM COMMUNICATIONS MODULE CATIC655CCM500C

SIEMENS Sinumerik Simodrive Drives Rack 6SC 6101-4A-Z

SIEMENS SIMODRIVE 6SN1146-1AB00-0BA2SINUMETIK 840D NCU-BOX 6FC52476FC5356 2KH

SIEMENS 16297-22 LIL BOARD KIT - NIB

Allen-Bradley Analog Output Module 1778-OFC

AB, ALLEN BRADLEY AC SERVO ULTRA SERIES 1398-DDM-150 AE

AC Motor Speed Control VFD - 60 HP - 480 Volt - Three Phase Input

A06B-0755-B921#C100 FANUC AC SERVO SPINDLE REMANUFACTURED

75HP 3600 RPM TEFC motor 365TS frame, 460/3/60 Rebuilt

RELIANCE ELECTRIC VZ3000-DASR-1 USPP VZ3000DASR1

ALLEN BRADLEY 6151-BBBACDAZABZ USPP 6151BBBACDAZABZ

ALLEN BRADLEY 2705-P11J1L USPP 2705P11J1L

INDRAMAT MDD-090C-N-030-N2L-110PB0 NSFP MDD090CN030N2L1A

YASKAWA ELECTRIC JANCD-SV02B NSPP JANCDSV02B

WESTINGHOUSE NB2800P-400 USPP NB2800P400

ITE SIEMENS JD23B400 USPP JD23B400

Siemens 6ES5-247-4UA31/6ES5247-4UA31 POSITIONING MODULE NIB

SIEMENS 6ES5 377-0AB41 6ES53770AB41

SIEMENS OP393-II 6ES5 393-0UA12 6ES5393-0UA12 FreeShip

Siemens BOARD 6ES5-410-0AA12 6ES5 410 0AA12 6ES54100AA12 SPCB205 SIEMEN

SIEMENS 6ES7 151-1CA00-0AB0 6ES7151-1CA00-0AB0 FreeShip

Siemens OP17 6AV3 617-1JC00-0AX1 Membrane Keypad

RELEASE SuperMicro X9SRL-F MB ※Check W/ Us for Availability FIRST※

Texas Instruments 505-6508

Sunpak Interface Module NE-1AF

TYAN THUNDER N6550EX S4989 S4989-SI AMD QUAD SKT 1207 SERVER BOARD S4989WG2NR-SI

Siemens CPU 221 6ES7 211-0BA23-0XB0 6ES7211-0BA23-0XB0

Modicon DR-1010-000

Schneider Modicon /Schneider AS-B875-102/ASB875102 NICE

Schneider Modicon ASB824016 SEALED 24 VDC True High Output Module AS-B824-016

Schneider Modicon AS-BDEP-216 NSFP ASBDEP216

Schneider Modicon AS-BDEO-216 16 Pt 24VDC Input ASBDEO216

Schneider Modicon -AS-521P-006

Schneider Modicon DEP 218/ AS-BDEP-218 DISCRETE INPUT MODULE

Schneider Telemecanique ATV28HYU29M2 Inverter 1.5K/2HP

SCHNEIDER MODICON AS-B805-016 115VAC INPUT MODULE

QLogic SANbox 9200 Switch 9000 SB9200-32B 31277-12

SIEMENS 6ES5-453-7LA11/6ES5453-7LA11 DIGITAL OUTPUT MODULE XLNT

SIEMENS 6DD1600-0AF0 Simadyn D CPU Controller

Mercedes-Benz Bluetooth Hands-Free Communication Module

SIEMENS SIMODRIVE 6SN1123-1AA00-0BA1/OBA0

SIEMENS SINUMERIK 840DE 6FC5356-0BB14-0AA0 NCU 561.4

SIEMENS /MOORE 39MBXNAN/16180-1 MODULBUS EXPANDER XLNT

Allen-Bradley User's Manual Pulse Output Module Assembly Cat No. 1778-OJ_1978

Allen Bradley SLC 500 1746-N04V Ser A Analog Output Module

ABB Robotics PS130/6-50-P-4449 Servo Motor

A06B-0147-B084 FANUC SERVO MOTORS REMANUFACTURED

0-49015-A

NEC C-526 USPP C526

ALLEN BRADLEY 1756-L61 NSFP 1756L61

ALLEN BRADLEY 1336E-A010-AA-EN NSFP 1336EA010AAEN

GENERAL ELECTRIC 7VXAS057CD09 USPP 7VXAS057CD09

STRUTHERS DUNN DIRECTOR 4000 75T77 USPP 75T77

SIEMENS A1-106-100-822 NSFP A1106100822

BARBER COLMAN MP-481-131-0-2 USPP MP48113102

Siemens 6ES5 945-7UA23 6ES59457UA23

Siemens Simatic S5 6ES5460-4UA13 6ES54604UA13 FS

SIEMENS 6ES5-717-1AA100AA NSFP 6ES57171AA100AA

Siemens 6ES5 490-8MB11 USPP 6ES54908MB11

Siemens 6AV6 545-0BB15-2AX0 TP170B LCD Display

Siemens Landis & Staefa RWD68

S-4000S-3208 S-1608 = 48x16 Digital Stage I/O

Telemecanique ATV66D12M2

SIEMENS LMG-90 PRESSURE TRANSDUCER INTERFACE MODULE XLNT

Wago 758-876/000-112 WAGO-I/O-IPC-P14 Linux 2.6 codesys visu CANopen master

Siemens 6SE7038-6GL84-1JA1 6SE7 038-6GL84-1JA1 FreeShip

Modicon AS-M485-008

Schneider Modicon AS-B984-100C B984 I/O LOGIC SOLVER

Schneider Modicon AS-B865-001 8 Channel Register ASB865001 N833

Schneider Modicon AS-B864-001 USPP ASB864001

Schneider Modicon AS-P120-000 POWER SUPPLY

Schneider Modicon CONTROL MODULE AS 884A 21

Schneider Modicon AS-HDTA-201 Secondary Subrack 5 Slot

SCHNEIDER MODICON AS-BDAP-210 TSX OUTPUT MODULE

SIEMENS 6ES5 463-4UA12 ANALOG INPUT MODULE

Rigol Function/Arbitrary Waveform Generators DG3121A

SIEMENS A5E00159514 PANEL TOUCH SCREEN

SIEMENS SINUMERIK FM-NC/810D/DE/840D/DE 6FC5203-0AB11-0AA2

Reliance Communications Mem. Module Part 57413

SIEMENS Drive 6SN1123-1AA00-0BA1

SIEMENS SINUMERIK 840D/DE NCU 573.5 6FC5357-0BB35-0AE0 NIB

SIEMENS 6FC4600-1AS01 Free Ship

AllenBradley2711-K10G16/C2711K10G16Panelview

Allen Bradley Versa View 1500H 6189-RDT15CA 2711P-RN6 6182-15TEH6B

ABB IRB 1400 SER 14-20056 ROBOT S4C PLUS CNTRLR TEACH PENDANT W/ MATCHED SET

Advanced Energy VHF 2060 RF GENERATOR AMAT 0920-00056

(O2-1) 1 BLH ELECTRONIC C3P1 LOAD TRANSDUCER O2-1

MEASUREX 09806701 NSPP 09806701

ALLEN BRADLEY 1336F-B050-AA-EN-HASP-L6 USPP 1336FB050AAENHA1

GE FANUC IC800SSI216D2 USPP IC800SSI216D2

FANUC A16B-2100-0110 USPP A16B21000110

SIEMENS 6DS1220-8AA USPP 6DS12208AA

RELIANCE ELECTRIC 57C-330-B USPP 57C330B

SIEMENS 6SC-6100-0NA80 NSFP 6SC61000NA80

Siemens 6ES5 470-7LB12 6ES54707LB12

Siemens 6ES5-950-1AB61/6ES5950-1AB61 POWER SUPPLY NNB

SIEMENS 6ES5-441-5AA12 USPP 6ES54415AA12

Siemens 6ES5 955-3LC41 6ES59553LC41 Power Supply Module

Siemens S5 6ES5-464-8MA21

Siemens C98043-A1601-L4-17

Siemens 6ES5 464-8MF11 -FS- 6ES54648MF11

Square D 8030 CIM-101

ON Q Home 8 Port Network Interface Module 363486-01

WS-C2960-24TC-S CISCO 2960-24TC SWITCH- W/1YR - WSC296024TCS Fast

Siemens 6ES7331-7KB00-0AB0 NIB

SIEMENS SINUMERIK 6FC5203-0AF02-0AA1 , no box,

Saftronics CIMR-G3U47P5

Schneider Modicon ASMEEP001 Compact EEProm Card AS-MEEP-001

Schneider Modicon AS-B552-001 USPP ASB552001

Schneider Modicon AS-W801-012 3485-2400 REMAN W801012 34852400

Schneider Modicon AS-BDEP-218 PLC

Schneider Modicon AS-B827-032 Input Module

MODICON AEG PANELMATE PLUS OPERATOR INTERFACE MM-PM22-200 PARTS OR REPAIR

Siemens Digital Input Module 6ES5433-8MA11 MAYBE

SFP-GE-T 1000BASE-T SFP MODULE FOR CISCO NEBS 3 ESD

Siemens OP27 6AV3627-1JK00-0AX0

SIEMENS Sinumerik 6FC5111-0CA02-0AA2 DMP KOMPAKT 16A 24V/0.5 E-Stand A

STANDARD COMMUNICATIONS CELLULAR MODULE CMM8700-101

SIEMENS 6SN1123-1AA00-0AA0 Simodrive LT-Module

SIEMENS C98043-A1304-L C98043A1304L SIMODRIVE XLNT

SIEMENS 6FC5-247-0AA34-0AA1 NSFP 6FC52470AA340AA1

ADVANTECH SOM-A2552

ALLEN-BRADLEY 160-P1 PROGRAMMING TERMINAL KEYPAD ""

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88248

ADEPT TECH 10332-12410 NSPP 1033212410

(12) Hoffman A36X2E5410 Control Panel Enclosures 36" x 54.5" x 11.5"

INDRAMAT DDS03.2-W/030B USPP DDS032W030B

TELEMECANIQUE TSX-P871 USPP TSXP871

EPSON E2L653S-UL USPP E2L653SUL

CUTLER HAMMER D7DBA10AGA1XXX USPP D7DBA10AGA1XXX

RELIANCE ELECTRIC 0-51879-5 NSFP 0518795

MODICON AS-P933-007 NSPP ASP933007

INGERSOLL RAND 2133A99G02 USPP 2133A99G02

Siemens 6ES5 318-8MB13 6ES53188MB13

Siemens 6ES5-544-3UA06 USPP 6ES55443UA06

SIEMENS 6ES5-374-2KH21 USPP 6ES53742KH21

Siemens 6ES5 373-0AA41 -- 6ES53730AA41

Siemens 8pc Jumper Bar 6ES5-763-7LA11 6ES57637LA11

Siemens 6RA70 C98043-A1601-L4-16

SIEMENS TP270-10 6AV6545-0CC10-0AX0 Touch Glass

Siemens 6ES5951-7LD12

LOT 8__Belkin OmniView Quad-Bus Server Interface Module PS/2 F1DE101A-AP

Yamaha Motif XF8 Synthesizer

Siemens 6ES7 223-1PL22-0XA0 6ES7223-1PL22-0XA0 FreeShip

SIEMENS OP7 6AV3 607-1JC30-0AX1 Membrane Keypad ping Worldwide

Reliance 0-51816-1

Schneider Modicon AS-B801-000 Slot Filler Plate

Schneider Modicon AS-9487-002 USPP AS9487002

Schneider Modicon AS-P421-000 USPP ASP421000

Schneider Modicon AS-B550-000 USPP ASB550000

Schneider Modicon AS-884A-211 Processor Module AS884A211 UVG

Modicon Square D XBT-F024110 XBTF024110 Operator Interface

SIEMENS SIMATIC S5 INPUT MODULE 6ES5-431-7LA11

Siemens 6ES7 332-5HB01-0AB0 -FS- 6ES73325HB010AB0

Siemens Simatic Output Module 6ES5 451-7LA21 __ 6ES5451

SIEMENS Sinumerik 802S 802C 802 5.7 inch LCD screen display

SIEMENS Sinumerik Module Modul DMP #6FC5111-0CA03-0AA2

SIEMENS 60 DAYS WARRANTY Control Board w/ 6SN1114-0AA01-0AA0

SIEMENS Simodrive 6SN1123-1AA00-0AA0 _ 6SN11231AA000AA0

SIEMENS CONTROLLER CARD 6FC5357-0BB11-0AE1

Advantech RS-422/485 Isolated Repeater ADAM-4510S

Allen-Bradley 2711-B5A5 Series H Panelview 550 Touchscreen FRN 4.46

ABB AC Drive ACH550-UH-096A-4, 75HP 0-480V 0-500Hz 96A

Acterna JDSU T-BERD 8000 8126 SR SingleMode Fiber OTDR 8126SR TBERD T BERD

6ES7135-0HF01-0XB0 Brand , Factory Sealed,

85644A - HP/Agilent Tracking Source 300 kHz to 6.5 GHz

SIEMENS 6SE7-031-2TF60-Z USPP 6SE70312TF60Z

BAILEY CONTROLS NCOM-04 NSFP NCOM04

ATLAS COPCO 8433-1740-00 USPP 8433174000

MODICON AS-521P-111 NSFP AS521P111

INDRAMAT TRANS-01.5/1-109-468-4800 USPP TRANS01511094684

BALDOR ID15H507-E USPP ID15H507E

WHEDCO CMC-2071-1B USPP CMC20711B

Siemens 6ES5-451-7LA11 NSFP 6ES54517LA11

SIEMENS 6ES5 705-0BB50 INTERCONNECT CABLE IN BOX

SIEMENS S5 6ES5 436-7LA11 6ES54367LA11

Siemens S5 Input / Output Module 6ES5 482-3BA11

Siemens 6ES7131-4BF00-0AA0 6ES7 131-4BF00-0AA0 FreeShip

Siemens S7-200 EM231 RTD 6ES7 231-7PB22-0XA0 EM 231

Siemens 3TX7002-1BB00

HORIBA STEC -- CNL-06A -- Computer Interface Module RGA Residual Gas Analyzer

Weidmuller Interface Module 912441 RI-DIP14A. GSED 0.3 IN BOX

Siemens 6ED1055-1FB00-0BA1 in Sealed Box ping

Siemens LOGO! 6ED1052-1HB00-0BA6 NIB + LOGO USB Cable

Omron 3G3MV-A2001

Schneider Modicon AS-J810-000 REMOTE I/O ADAPTER GOOD TAKEOUT

Schneider Modicon Gould/ AS-B230-501 PLC Output Module

Schneider Modicon AS-H827-107 USPP ASH827107

Schneider Modicon MODICON/ AS-B551-000 INPUT MODULE XLNT

Schneider Modicon AS-H819-209