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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誤、端子接線錯誤、模板安裝錯誤、現(xiàn)場操作錯誤等。
　　2)是否為DCS系統(tǒng)操作錯誤引起的故障。這類故障常見的有某整定參數(shù)整定錯誤、某設(shè)定狀態(tài)錯誤造成的。
　　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?！?)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。

700' Wake Forest 4/0 4/0 4/0 2/0 Direct burial Wire Aluminum URD 600 voltage

SIEMENS 6SE7-023-8ED61-Z USPP 6SE70238ED61Z

ALLEN BRADLEY 1785-L40C USPP 1785L40C

BAILEY CONTROLS DSQC-236G USPP DSQC236G

IIC PCLSP09 USPP PCLSP09

PRATT & WHITNEY DU205E USPP DU205E

LEA INTERNATIONAL DS21S120/240-225-SP USPP DS21S120240225SP

YAMAHA LS2V-350 USPP LS2V350

RADISYS EPC-6 USPP EPC6

Siemens 6ES5 456-4UB11 6ES54564UB11

Siemens 6ES5-925-3SA11 USPP 6ES59253SA11

SIEMENS 6ES5-422-8MA11/6ES5422-8MA11 INPUT MODULE NIB

Siemens 6ES5 456-4UB12 Surplus - Opened Box

Siemens S5 6ES5 441-4UA14 6ES54414UA14

Siemens 6SN1146-1AB00-0BA0 6SN1123-1AB00-0BA0 + Display

Siemens 6ES7 322-1FH00-0AA0 -FS- 6ES73221FH000AA0

Square D 8003 CP-30

NIB MODICON 140-CRA-931-00 INTERFACE MODULE RIO DROP

WS-SUP720-3BXL Cisco Supervisor Engine 720-3BXL Control processor

Siemens 6ES7 972-0BB12-0XA0 6ES7972-0BB12-0XA0 Profibus

Siemens S7-200 Cartridge Battery 6ES7 291-8BA20-0XA0

Reliance 45c307a

Schneider Modicon Gould/ AS-B828-016 5 VTTL Output TH ASB828016

Schneider Modicon AS-B350-001 NSFP ASB350001

Schneider Modicon AS-S902-081 Memory Module

Schneider Modicon AS-B872-200_ASB872200_LR32678_Output Module (Minor Scratches)

Schneider Modicon AS-B805-016 800 I/O16 Point INPUT MODULE

Modicon DAP 220/ AS-BDAP-220 OUTPUT MODULE 24VDC 8INPUT

SIEMENS S5 6ES5 430-4UA13 Digital Input Module

Siemens 6ES5 464-8ME11 -FS- 6ES54648ME11

Siemens S30807-S5431-A-10 Operator Panel w/ Cables for Phone System

SIEMENS 6FC5357-0BB12-0AE0 SINUMERIK 840D 6FC5247-0AA00-0AA3

WV Communications 70-01FD-CH 19" Module Chassis

SIEMENS 6SN1118-0AA11-0AA1 AC Drive Module ReMan

SIEMENS SIMODRIVE 611 6SN1123-1AA00-0HA2 POWER MODULE 6SN11231AA000HA2 (NIB)

SIEMENS 6FC5511-0CA00-0AA0 USPP 6FC55110CA000AA0

Advantech PCA-6184V, no ethernet port,

Allen-Bradley 1771-OA/B 120V AC Output Module 8 Outputs - ATS 365 Warranty

ABB Arc Monitor 1SFA663001R1001 60-240 VAC 50-60Hz NIB

ADEPT 841 ROBOTIC ARM 80-110 PSI SERIAL NUMBER 841-04052

6SE7024-7TP50 SIEMENS COMPACT + MASTERDRIVE 47AMP 22kW 510-620VDC MOTION CONTRL

A.B. Chance shear torque indicator w/ kelly bar adapter and locking dog assembly

SYMAX 8020-SCP-423 NSPP 8020SCP423

CUTLER HAMMER HNB31200T USPP HNB31200T

CINCINNATI MILACRON 3-424-1993A NSFP 34241993A

NEMATRON CORP IWS-4624/35-026 USPP IWS462435026

MITSUBISHI FR-A220-7.5K-U NSFP FRA22075KU

GE FANUC 44A295191-004 USPP 44A295191004

Siemens 6ES5 243-1AB12 6ES52431AB12

Siemens 6ES5-470-7LC13 USPP 6ES54707LC13

SIEMENS 6ES5-304-3UA12 USPP 6ES53043UA12

SIEMENS S5 POWER SUPPLY w/SUBRACK CR1 6ES5-951-7LB146ES5-700-1LA12

Siemens 6ES5 430-8MC11 Input Module S5-100U NOS

Siemens 6FC4600-1AS01

Siemens TP170B 6AV6 545-0BC15-2AX0 Touch Glass , ping worldwide

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JNI FC-1063 JNI I/O INTERFACE MODULE

YOSHIMURA PIM2 PERIPHERAL INTERFACE MODULE YAMAHA YZ250X YZ250R 2008-2011

Siemens 6ES7 193-1CL00-0XA0 6ES7193-1CL00-0XA0 in Box

Siemens OP17 6AV3617-1JC00-0AX1 Membrane Keypad

Partlow MLC9002+Z4610

Schneider Modicon AS-B872-200 REM ASB872200 ANALOG OUTPUT MODULE

Schneider Modicon AS-5378-002 USPP AS5378002

Schneider Modicon AS-M680-016 USPP ASM680016

Schneider Modicon AS-927-3000 USPP AS9273000

Schneider Modicon 5VTTL OUTPUT TH MODULE AS-B828-016

Schneider Modicon TSX COMPACT DAP258 / AS BDAP 258

SIEMENS TI 505-4232 110VAC INPUT MODULE LNC QUANTITY

Telemecanique Analog Input Module TSXAEZ802 TSX AEZ 802

Siemens Simatic TI305-PROG Programmer Module TI305PROG

Siemens 4700-BDRC3-11HN Power Meter Product Revision: B Digital Readout

SIEMENS SINUMERIK 840C/840CE 6FC5111-0CA73-0AA1 6FC51110CA730AA1 NIB

CERBERUS PYROTRONICS SIEMENS 5340-1 APT-2 DUAL LINE DIGITAL COMMUNICATION MODULE

SIEMENS SIMODRIVE 6SN1145-1AA01-0AA2SINUMETIK 840D NCU-BOX 6FC52476FC5356 #B3

SIEMENS Simodrive 6FC5247-0AA00-0AA2/ 6FC5357-0BB11-OAE

ADVANTECH PCA-6181 V Rev.A1 Control Card

ALLEN-BRADLEY 2711-T6C2L1X TESTED!! PANELVIEW 600 TOUCH SCREEN

ABB 3HNE 00313-1 Teach Pendant S4C S4C+ Rev.# 13

ACCURAY ABB 83883-004 PROCESSOR GENERAL UNIT 83883004

A20B-8200-0011 Fanuc A16B-3200-0110 with

81657A Dual Fabry-Perot Laser Source, 1310nm & 1550nm, 13dBm (20mW)

SIEMENS 6ES7-417-4XL04-0AB0 NSFP 6ES74174XL040AB0

ASEA BROWN BOVERI 6214BZ10120G NSFP 6214BZ10120G

ALPHA GETRIEBEBAU SP-180S-MC1-101M1-2K USPP SP180SMC1101M12K

METRA INSTRUMENTS M1010BT-COS-E-IS USPP M1010BTCOSEIS

HUB CITY 0220-05505-080 NSFP 022005505080

ALLEN BRADLEY 1771-QDC USPP 1771QDC

SIEMENS 6ES5-184-3UA11 USPP 6ES51843UA11

Siemens 6ES5-385-8MB11 USPP 6ES53858MB11

SIEMENS 6ES5 454-4UA12 -FS- 6ES54544UA12

SIEMENS 6ES5 453-8MA11 Digital Output

Siemens PLC 6ES5-421-8MA11/6ES54218MA11

SIEMENS 6ES7 322-1BH81-0AA0 6ES7322-1BH81-0AA0 FreeShip

Siemens PLC 6ES7 331-7KF01-0AB0 6ES7331-7KF01-0AB0

PVDM3-64 CISCO 64 -Channel Voice and Video DSP Module

GSM/GPRS Modem Pool 16 Ports USB interface Wavecom Module AT Commands Q24plus

Unico 100-732.1 Interface Module BOARD 4 available FREE

Siemens 6AV6 640-0AA00-0AX0 6AV66400AA000AX0 TD400C

SIEMENS LASER SCANNER 3SF7834-6PB00 3SF78346PB00

MTT 11-SLOT-RACK

Schneider Modicon DAP 218/AS-BDAP-218 TSX PLC Output module card out dis

Schneider Modicon AS-P371-002 Memory Module

Schneider Modicon AS-E680-914 USPP ASE680914

Schneider Modicon GOULD AS-B550-001

Schneider Modicon AS-B804-016 115 VAC Output Module 16Pt WARRANTY-GUARENTEED

Schneider Modicon Output Module Reed Relay AS-B840-108

Schneider TWIDO TWDLMDA40DUK

Schneider Modicon TSXP575634M in Box

SiemensSimaticS56ES5441-7LA11DigitalOutputModule32x24VDC0.5A

SIEMENS 6AV6-643-0DD01-1AX0 10" MULTIPANEL DISPLAY

SIEMENS NCU-BOX 6FC5247-0AA00-0AA2 SINUMERIK 840D/DE

GE Fanuc PLC Communications Control Module IC693CMM311N

SIEMENS Simodrive Part# 6SN1112-1AC01-0AA1

SIEMENS SINUMERIK 6FC5203-0AF02-0AA1

SIEMENS Moore APACS Resistance Temperature Module RTM 39RTMCAN 16207-61/01

Allen-Bradley Panel View 600 Plus

A-B # 140U-Q6X3-D35 / C-H # HLD3350 3POLE 350AMP

ABB/ Allen Bradley/Stromberg 586992 SAFT 187 CON 58122203 Guaranteed

A06B-0331-B069#7000 FANUC SERVO MOTORS REMANUFACTURED

75 HP 55Kw 1000 RPM 6 Pole Foot Mount B3 250M 3 Phase Electric Motor

RELIANCE ELECTRIC 615055-1V USPP 6150551V

ALLEN BRADLEY 2711E-T14C15 USPP 2711ET14C15

ALLEN BRADLEY 1771-HD NSPP 1771HD

HICKOK PRO-SPEC-1000 USPP PROSPEC1000

WESTINGHOUSE 4D33811G02 USPP 4D33811G02

TEXAS INSTRUMENTS PLC PC405-6201 NSFP PC4056201

GENERAL ELECTRIC CR245P101 USPP CR245P101

Siemens 6ES5-188-3UA12 NSFP 6ES51883UA12

SIEMENS 6ES5 375-0LC21 6ES53750LC21

SIEMENS 6ES5-985-2AA11 USPP 6ES59852AA11

Siemens 6ES5 930-8MD11 Power Supply Module 14764

Siemens 6ES5 942-7UB11 6ES5942-7UB11 in Box

SIEMENS MICROMASTER 420 6SE6420-2AB11-2AA0 + BOP PANEL

RELIANCE ELECTRIC 65C-500 USPP 65C500

Texas Instruments 500-2108

Spirent Adtech AX/4000 401325 IP L3 SFP Gig Interface

VIC2-2BRI-NT/TE CISCO TWO-PORT VOICE INTERFACE CARD BRI NT AND TE

Siemens C98043-A1604-L1-5

Modicon AS-W202-010

Schneider Modicon AUTOMATION AS-BDEP-217 TSX COMPACT

Schneider Modicon AS-J890-001 MODULE Q1-5

Schneider Modicon AS-BDAP-104 USPP ASBDAP104

Schneider Modicon AS-B864-001 ASB864001 Register Output H206

Schneider Modicon AUTOMATION DTA200/AS-HDTA-200

Schneider Modicon AS-W801-001 I/O SIGNAL CABLE 1FT

Schneider Modicon TM2AMI8HT in Box

SE Modicon Input Module MAS-BDEP-210 SURPLUS Qty. x2

RELEASE SuperMicro X9DRT-HF MB FULL MFR

Siemens 6ES7 132-4BD00-0AA0 Output Module - Surplus

SIEMENS SINUMERIK 840D/DE 6FC5247-0AA00-0AA2

MODULE COMMUNICATION MODICON TSX PREMIUM tsx scy21601

SIEMENS SIMODRIVE 611 BOARD 6SN1118-0DH21-0AA0 NIB

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

SIEMENS Complete Gasket Set Arctic Cat 440LX 97-6 FC Twin 440cc

AllenBradley1769-OA8/ACompactI/O8Pt.OutputModule

Allen Bradley SLC 500 output module Cat 1746-OA16

ABB ROBOT DRIVE 3HAB 8101-8/12B

A06B-0128-B175 FANUC SERVO MOTORS REMANUFACTURED

0.1-10Gohm 0,05% Resistance standard resistor P4067 an-g of LEEDS & NORTHRUP ESI

MODICON AS-D025-010 USPP ASD025010

ALLEN BRADLEY 1398-DDM-075 USPP 1398DDM075

ADEPT TECH 10310-61200 USPP 1031061200

GE FANUC IC600RM715 USPP IC600RM715

SIEMENS HLD63B600 USPP HLD63B600

SIEMENS 6ES5-696-3AA21 NSFP 6ES56963AA21

ALLEN BRADLEY 2711P-K6C20D USPP 2711PK6C20D

Siemens 6ES5 928-3UB21 -- 6ES59283UB21

Siemens SIMATIC 6ES5 924-3SA12

SIEMENS 6ES5-498-1AA51 NSFP 6ES54981AA51

Siemens 6ES5 440-8MA21/6ES5440-8MA21 OUTPUT MODULE XLNT

SIEMENS 128K Memory Card 6ES7-953-8LG11-0AA0 NIB Sealed

Siemens EM235 6ES7 235-0KD21-0XA0 EM 235 PLC

SCHNEIDER DISCRETE INPUT 16PT 115V DEP 218/AS-BDEP-218

Square D 9001-KS11BH13

SIEMENS 6ES7-151-3AA10-0AB0 SIMATIC DP INTERFACE MODULE

WE SHIP SAME CISCO SPA-8X1GE-V2 Cisco 8-Port Gigabit Ethernet Shared Port

Siemens 6RA70 C98043-A7010-L2 Card

Siemens TP270-6 6AV6 545-0CA10-0AX0 Touchscreen Glass

Schneider Modicon TSX DAP 212 DISCRETE I/O MODULE AS-BDAP-212

Schneider Modicon AS-BDAP-212 SEALED Compact Combo ASBDAP212

Schneider Modicon AS-B824-016 USPP ASB824016

Schneider Modicon AS-884A-201 MODULE AS884A201

Schneider Modicon AS-S954-000 USPP ASS954000

Schneider Modicon AS-BFAP-209 8 PT OUTPUT

SCHNEIDER TCC-X17-TXBT CABLE 26HD/25SD MALE-FEMALE TCCXCB10002

SIEMENS 6ES7 131-4BD00-0AA0 INPUT MODULE 4 POINT

RSP720-3CXL-GE Cisco Route Switch Processor 720-3CXL Router

Siemens Digital Output Module 6ES5 441-8MA11 441-8MA12 441-8MA13 free ship

SIEMENS Sinumerik 820G 6FC3801-3AC-Z 6FC8504-1AX00 CRT Monitor Operator Panel

Schneider Automation Communication Module TSX-SCM2111 WARRANTY

SIEMENS 6SN1-162-0EA00-0DA0 NSPP 6SN11620EA000DA0

SIEMENS 6SC6100-0GA11 6SC6100-OGA11 6SC61OO-OGA11 6SC6 100-0GA11 SIMODRIVE Board

SIEMENS 6FC5-111-0CA03-0AA2 NSFP 6FC51110CA030AA2

AllenBradley6182H-12TEH4BVersaViewCE1250HTouchPanelWorkstation

Allen Bradley Versaview Industrial Monitor 6186M-12PT Sealed 2010

ABB du/dt Filter

Adtech AX/4000 Chassis w / Adtech 40128 Ethernet Module

(Good condition) SUNRISE TELECOM SUNSET ISDN SS400 w/ + + +

KEB COMBIVERT 22F4C0R-2421 USPP 22F4C0R2421

ACTUS POWER NPSA-20NN-50E8 USPP NPSA20NN50E8

FISHER ROSEMOUNT DM6004X1-EA2 NSFP DM6004X1EA2

FANUC A05B-2308-C370 USPP A05B2308C370

SCHWEITZER ENGINEERING SEL-121F-X-4256MHNB USPP SEL121FX4256MHNB

QUAD TECH 78400 NSFP 78400

RELIANCE ELECTRIC 69000-3W NSPP 690003W

Siemens 6ES5 460-4UA13 6ES54604UA13

Siemens 6ES5-927-3SA11 USPP 6ES59273SA11

SIEMENS 6ES5-430-4UA14 USPP 6ES54304UA14

Siemens 6ES5 490-7LB11 Screw Terminal Block

Siemens S5 6ES5 458-7LB11 NIB

Siemens 7XP2041-2MA00-0AA0/BB SIPROTEC 7SS60

Siemens 6ES7 321-1BL00-0AA0 -- 6ES73211BL000AA0

Square D 8005 EBU-1

NNB BECKHOFF KL5111 Bus Terminal Incremental Encoder Interface Module KL5111

WS-F6K-PFC3B CATALYST 6500 SUP720 POLICY F. CARD-3B 1YR - ASK 4 QTY

SIEMENS 6ES7-133-0BH01-0XB0 6ES71330BH010XB0 FreeShip

SIEMENS SC6000

Reliance 45C913

Schneider Modicon Gould P451 200 Series I/O Processor AS-P451-622

Schneider Modicon AS-B352-001 OUTPUT MODULE OLD STOCK FREE SAME DAY SHIPPING USA

Schneider Modicon AS-S908-012 USPP ASS908012

Schneider Modicon AS-B882-239 ASB882239 High Speed Counter

Schneider Modicon AS-B806-032 Output Module

Modicon AS-BDAP-218 16 Point Output Module