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DCS系统故障诊断步骤
　　DCS系统一旦出现故障，正确分析和诊断故障发生的部位是当务之急。故障的诊断就是根据经验，参照发生故障的环境和现象，来确定故障的部位和原因。这种诊断方法因DCS系统产品不同而有一定差别。
　　1)是否为使用不当引起的故障。这类故障常见的有供电电源错误、端子接线错误、模板安装错误、现场操作错误等。
　　2)是否为DCS系统操作错误引起的故障。这类故障常见的有某整定参数整定错误、某设定状态错误造成的。
　　3)确认是现场仪表设备故障还是DCS系统故障。若是现场一次仪表故障，修复相应现场仪表。
　　4)若是DCS系统本身的故障，应确认是硬件毛病或是软件故障。
　　5)若是硬件故障，找出相应的硬件部位，更换模板。　6)若是软件故障，还应确认是系统软件或是应用软件故障。
　　7)若是系统软件有故障，可重新启动看能否恢复，或重新装载系统软件重新启动。
　　8)若是应用软件故障，可检查用户编写的程序和组态的所有数据，找出故障原因。
　　9)利用DCS系统的自诊断测试功能，DCS系统的各部分都设计有相应的自诊断功能，在系统发生故障时一定要充分利用这一功能，来分析和判断故障的部位和原因。

Siemens S5 6ES5 701-1LA12 6ES57011LA12

Siemens Board C98043-A7014-L1

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

Siemens 6SE7021-8EB10

Juniper Networks 710-000991 Gigabit Ethernet 1000BASE-SX Interface Module

Total Control Quick Panel ModBus Plus Communication Interface Module

WS-C3560E-48PD-SF FREE 1 YEAR CISCO WSC3560E48PDSF

Siemens 6ES7307-1KA01-0AA0 6ES7 307-1KA01-0AA0 in Box FreeShip

Siemens SIMEAS P 6GK7000-8AA

Reliance 84543-133

Schneider Modicon ASS908110 Excellent Remote I/O Processor Module AS-S908-110

Schneider Modicon AS-B521-001 USPP ASB521001

Schneider Modicon AS-W511-002 USPP ASW511002

Schneider Modicon AS-BDAP-220 combo

Schneider Modicon AS-B825-016

MODICON AS-B230-120 OUTPUT MODULE ASB230120 REPAIRED

Siemens Input Analog Module 6ES5460-7LA11

Shuttle SZ68R5 Barebone system LGA1155 Intel Z68 Chipset-no CPU no memory

SIEMENS OPERATOR INTERFACE PMU 6SE7090 0XX84 2FB0 2FBO

SIEMENS Sinumerik 6EV1362-5BK00 24V @ 40Amps.

TELEMECANIQUE SCHNEIDER TSX MPT 104 TELWAY 7 COMMUNICATION MODULE

SIEMENS 6SN1118-0DM33-0AA0 6SN11180DM330AA0 Version C

SIEMENS Simo Simodrive Drive 3-531-4647A

SIEMENS 6FC5356-0BB11-0AE1 SINUMERIK 840D NCU561.3 QUANTITY

Advantech PCM-9381

Allen-Bradley 1746-NO4V SLC 500 4-Ch Analog OUTPUT Module

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88135

ADEPT TECH 10330-11351 USPP 1033011351

(000 FLR) Allen Bradley 15 HP Drive 1336-B015-EOE

INDRAMAT CCD01.1KE19-01FW USPP CCD011KE1901FW

TELEMECANIQUE ATS-46C48N USPP ATS46C48N

DYNASERV DR-1100A-115 USPP DR1100A115

CUTLER HAMMER 91-00747-00 NSPP 910074700

PERFORMANCE TECHNOLOGY PT-CPC396N-11235 USPP PTCPC396N11235

MODICON AS-521P-006 NSFP AS521P006

HONEYWELL 51303940-150 NSFP 51303940150

Siemens 6ES5 310-3AB11 6ES53103AB11

Siemens 6ES5-526-3LA21/6ES5526-3LA21 COMMUNICATION PROCESSOR XLNT

SIEMENS 6ES5-373-0AA61/6ES5373-0AA61 MEMORY MODULE EPROM XLNT

Siemens 6ES5 267-8MA11 Stepper Motor Modul IP 267 Good Condition

Siemens 6ES5-460-7LA13 Analog Input 6ES54607LA13 N948

SIEMENS 6GK7-343-1GX11-0XE0 6GK73431GX110XE0 FreeShip

Siemens TP27 6AV3627-1NK00-2AX0 in Box

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LECROY 8901A GPIB INTERFACE CAMAC MODULE

Yaskawa 87820-40200 PLC Module 8782040200 NIB

Siemens 6ES7 223-1BL21-0XA0 6ES7223-1BL21-0XA0 FreeShip

Siemens OP37 6AV3637-1LL00-0AX1 Membrane Keypad

Reliance 0-48673-1

Schneider Modicon AS-B806-032 120V Output 800 IO ASB806032 Point

Schneider Modicon AS-884A-211 USPP AS884A211

Schneider Modicon AS-P190-112 USPP ASP190112

Schneider Modicon AS-B258-101

Schneider Modicon AS-8533-004 18 PIN Connector

Modicon TSX Discrete Output Module DAP210 / AS-BDAP-210

SIEMENS SIMATIC S7 INPUT MODULE 6ES7 321-1EL00-0AA0 6ES7321-1EL00-0AA0

TELEMECANIQUE XBTGT2220 Touchscreen Glass

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SIEMENS Sinumerik Interface Card 6FX1121-2BB02 E Stand J & 07

SIEMENS 6SN1123-1AB00-0BA1 6SN11231AB000BA1 SimoDrive

SIEMENS SIMODRIVE 6SN1123-1AA00-0JA0

SIEMENS ENCODER 6FC9320-3KA00

Advantech PCM-7310 Single Board Computer

ALLEN-BRADLEY 2711E-T14CB PANELVIEW 1400E

ABB 60HP AC DRIVE CAT#ACS800-U1-0060-5+D150+L503

Acterna ANT-20SE OC-192 STM-64 JDSU ANT-10Gig in Carrying Case 60 days

6AV2181-4JB00-0AX0 Starter Kit SIMATIC HMI Comfort TP900

8520-CRTC1 ALLEN BRADLEY MONITORS CRT REMANUFACTURED

SIEMENS 6SE3-225-5DJ40 USPP 6SE32255DJ40

BAILEY CONTROLS 6637033A USPP 6637033A

ASEA BROWN BOVERI S6HQ800BWAS4 NSPP S6HQ800BWAS4

MODICON 384A USPP 384A

INDRAMAT MDD090C-N-020-N2M-110PB1 USPP MDD090CN020N2M12

ASEA BROWN BOVERI DSQC-239 USPP DSQC239

TOSHIBA B0024FLB2AM USPP B0024FLB2AM

Siemens 6ES5-445-3AA12 USPP 6ES54453AA12

SIEMENS 6ES5 605-0UA11 6ES56050UA11

SIEMENS S5 6ES5 330-8MA11 6ES53308MA11

Siemens S5 6ES5 955-3LC14 6ES5955 6ES595553LC14

Siemens 6ES7 972-0AA1-0XA0 6ES7972-0AA1-0XA0

Siemens S7 400 CPU 6ES7 414-2XG03-0AB0 6ES74142XG030AB0

Siemens 305-55T

HONEYWELL INTERFACE MODULE Q7230A 1005 NO BOX

WARRANTY460V AC 3-Ph Input 75A Out Series B

Siemens 6DS1603-8RR 6DS16038RR

Siemens LOGO! 24 PLC 6ED1052-1CA00-0BA0 NIB

Omron 3G2A5-RM001E

Schneider Modicon AS-M680-108 ASM680108

Schneider Modicon MODULE AS-B275-501 INPUT S43A

Schneider Modicon AS-H819-209 USPP ASH819209

Schneider Modicon Groupe // AS-W808-002 warranty

Schneider Modicon AS-BDEP-216

Schneider Modicon REMOTE I/O PROCESSOR MODULE AS-S908-110

Telemecanique LA-DT4C Time Delay Module

Schneider TELEMECANIQUE PLC TSXDET824 in Box

SIEMENS/TI CVU100/2588958-0001 OPERATOR INTERFACE XLNT

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

SIEMENS Sinumerik 6FC5203-0AF00-0AA0 Operator Panel

GE Fanuc CCM IC655CCM500 communication module

SIEMENS SinumerikSimodriveSimaticservo drive motor repair

SIEMENS Sinumeric 6FC5203-0AE00-0AA0 tested warranty

SIEMENS ACROMAG/SIEMENS/MOORE 15494-126-5/15494-268/1018-228F XLNT

Allen-Bradley Analog Output Module User's Manual_1987_95510323

AB Stromberg 200052 ABB 57275812 AIO86-8/4 3100-AIO

AC Motor Speed Control VFD - 50 HP - 480 Volt - Three Phase Input

A06B-0754-B201#3000 FANUC AC SERVO SPINDLE REMANUFACTURED

7596 - , Danaher Motion SM 100-K 3000-G Brushless Servo Motor

RELIANCE ELECTRIC UVZ3475 USPP UVZ3475

ALLEN BRADLEY 570-DOB-47 NSFP 570DOB47

ALLEN BRADLEY 2364-SPG04A NSFP 2364SPG04A

INDRAMAT MAC112C-2-KD-4-C/130-A-0/WI520LX/S005 USPP MAC112C2KD4C130A

YASKAWA ELECTRIC JANCD-CP02 USPP JANCDCP02

WESTINGHOUSE A210M3CAC USPP A210M3CAC

ISSC 627-1002 USPP 6271002

Siemens 6ES5-247-4UA31 USPP 6ES52474UA31

SIEMENS 6ES5 377-0AB21 -FS- 6ES53770AB21

SIEMENS OP-393 II C 6ES5 393-0UA13 OP393 6ES5393-0UA13 OP 393-II C

Siemens BOARD 6ES5-410-0AA12 6ES5 410 0AA12 6ES54100AA12 SPC461 SIEMEN

Siemens 6ES7 151-1AA05-0AB0 6ES7151-1AA05-0AB0 in Box

Siemens OP015 6FC5203-0AF03-0AA0 Membrane Keypad

RELIANCE 0-57405-E O-57405-E I/O PLC MODULE ANALOG DCS HD-400X36-TUFR MODULE -

Texas Instruments 505-4908

SUNPAK INTERFACE MODULE HA-1D FOR USE WITH HASSELBLAD 503CX 500ELX CAMERAS

TYAN TRANSPORT VX50 B4985 Thunder n4250QE S4985 OPTERON Barebone B4985V50V4H-4P

Siemens CP5613 Card 6GK1561-3AA01 , opened box,

Modicon DI-1135-000

Schneider Modicon /Schneider AS-BDAP-218 TSX Compact DAP 218 Discrete Output module 8x24

Schneider Modicon ASB803008 115VAC Input Module AS-B803-008

Schneider Modicon AS-BDEP-214 USPP ASBDEP214

Schneider Modicon AS-BDAP-220 Discreet Input/Output Combination Module ASBDAP220

Schneider Modicon -AS-516P-002

Schneider Modicon DEP 216/ AS-BDEP-216

Schneider Telemecanique Analog Output Module TM2AMO1HT

Schneider Modicon AS-BDEP-216/DEP 216 Discrete Input Module

QLogic SANbox2-64 modular Fibre channel fabric switch 64 ports

SIEMENS 6ES5454-4UA11 SIMATIC OUTPUT MODULE 16PT QUANTITY

SIEMENS 3RG7834-6DD00 LS4-4 LASER SCANNER

METSO U4440123 V1.1 MAKA PCB ASSLY COMMUNICATION I CONTROL MODULE F4310209 48568

SIEMENS Simodrive 6SN1123-1AA00-0AA1 6SN11231AA000AA1

SIEMENS SINUMERIK 840DE 6FC5357-0BB11-0AE0 NCU 571.2

SIEMENS /MOORE 39PSMNAN APACS PSM MODULE 16013-1/2ME

ALLEN-BRADLEY VERSAVIEW 1500P CAT 6181P15NS2KH/B

ALLEN BRADLEY SLC 500 1746-OA16 OUTPUT MODULE

ABB ROBOTICS DSQC 317 3HAB2220-1 MEMORY MODULE EXPANSION BOARD 6MB 77484

A06B-0147-B077#7008 FANUC SERVO MOTORS REMANUFACTURED

03400 SIEMENS TYP 03400-A NR.340884 GE.548 184.0001.00 (SINUMERIK 3T)-AT DUBAI

NACHI RAX23C USPP RAX23C

ALLEN BRADLEY 1756-L60M03SE NSPP 1756L60M03SE

ALLEN BRADLEY 1336-C005-EAD USPP 1336C005EAD

GENERAL ELECTRIC 6VAF554 USPP 6VAF554

STEARNS 1081011A2FBF USPP 1081011A2FBF

SIEMENS 6SE9-216-8CB40 NSFP 6SE92168CB40

BARBER COLMAN 80BE-00044-212-V-00 USPP 80BE00044212V00

Siemens 6ES5 945-7UA21

Siemens SIMATIC S5 6ES5 945-7UA13

SIEMENS 6ES5-712-8BC50 NSFP 6ES57128BC50

Siemens 6ES5 490-8MA12 NSFP 6ES54908MA12

Siemens 6AV6 542-0AG10-0XA0 6AV6542-0AG10-0XA0 MP270B

Siemens K-TP178 6AV6 640-0DA11-0AX0 Protective Film

SALE AMD FX6100 6 Core 3.3G 8G500G 120G SSD HD7750/1G Gaming/Business PC

Telemecanique ATV31H075N4A

SIEMENS INTERFACE MODULE DUAL LOCAL LINE NETWORK 505-7339 SEALED 5057339

Wago ETHERNET 750-880 Starter Kit 2.0 51262278 ETHERNET-STARTERKIT 2.0

Siemens 6SE7038-6GL84-1BG2 6SE7 038-6GL84-1BG2 6SE70386GL841BG2 NIB

Modicon AS-M484-104

Schneider Modicon AS-BDAP-209

Schneider Modicon ASB872002 Excellent Analog OUT Module AS-B872-002

Schneider Modicon AS-B863-001 USPP ASB863001

Schneider Modicon AS-BDEP-209 ASBDEP209 8 AC Input

Schneider Modicon Card Module NUL 200/AS-BNU1-200

Schneider Modicon AS-HDTA-200/ASHDTA200 Primary rack OFFERS

Schneider Modicon MM-PM15-401 MMPM15401 MMPMMP003C

SIEMENS 6ES5 463-4UB12 ANALOG INPUT MODULE

RIS TM-2482-P13-000-P2-00-RE-00 TEMPERATURE MONITOR 117

SIEMENS AA17-E001G-A USPP AA17E001GA

SIEMENS Sinumerik FBG Module 6FX1126-5AA01 E Stand C

Reliance Electric 0-57404-1E 0574041E Network Communications Module Repaired

SIEMENS Drive 6SN1112-1AB00-0AA1

SIEMENS SUN SG-XL8500-SDLT6FC SDLT600 FC Tape Drive SL8500

SIEMENS 6FC4600-1AS01 Free Ship

AllenBradley2711-K10G16/C2711K10G16Panelview

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

ABB IRB 1400 SER 14-20050 ROBOT S4C PLUS CNTRLR TEACH PENDANT W/ MATCHED SET

Advanced Energy RFPP RF10S 7520709010

(O1-10) 1 G&L MOTION CONTROL M.1302.1226 SERVO MOTOR O1-10

MEASUREX 09437701 USPP 09437701

ALLEN BRADLEY 1336F-B020-AA-EN-HAS1-L4 NSFP 1336FB020AAENHAS

GE FANUC IC752WTD805-CB USPP IC752WTD805CB

FANUC A16B-1211-0150 USPP A16B12110150

SIEMENS 6DS1-211-8AA USPP 6DS12118AA

RELIANCE ELECTRIC 45C-410B USPP 45C410B

SIEMENS 6RB2-101-3A-Z USPP 6RB21013AZ

Siemens 6ES5 470-7LA13 6ES54707LA13

Siemens 6ES5-950-1AA61 USPP 6ES59501AA61

SIEMENS 6ES5-441-4UA13 USPP 6ES54414UA13

Siemens 6ES5 944-7UA22 CPU Module 9447UA22 115U CPU 944

Siemens S5 6ES5436-4UA11 6ES54364UA11

SIEMENS C98043-A1601-L1

Siemens 6ES5 465-4UA12 -- 6ES54654UA12

Square D 8030 CCK212

OMRON C500-RM001 3G2A5-RM001E SYSMAC C500 MASTER GLASS REMOTE MODULE INTERFACE U

WS-C2960-48TC-S CISCO CATALYST 2960-48TC SWITCH-1YEAR - GRADE A Fast Shi

SIEMENS 6ES7-322-1HH00-0AA0 6ES73221HH000AA0 NIB

SIEMENS SINUMERIK 6FC5203-0AF01-0AA0 Membrane Keypad

Saftronics CIMR-G3U42P2

Schneider Modicon AS-P120-000ASP120000

Schneider Modicon AS-B552-000 NSPP ASB552000

Schneider Modicon AS-W801-002 NSPP ASW801002

Schneider Modicon AS-BDEP-218 Discrete Input Mod.

Schneider Modicon AS-B827-032 24 VDC Input ASB827032

MODICON AEG PANELMATE PLUS OPERATOR INTERFACE MM-PMC2-200 PARTS OR REPAIR

SIEMENS Digital Input Module 6ES5436-4UA12 NIB Box Opened to Meke Pictures

SFP-GE-Z CISCO GENUINE 1000BASE-ZX GIGABIT ETHERNET SFP DOM

Siemens OP-393 II C 6ES5 393-0UA13 OP393 6ES5393-0UA13 OP 393-II C

SIEMENS Sinumerik 6FC5110-0DB01-0AA1 E.Stand J CPU Interface Module

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SIEMENS 6SN1122-0BA12-0AA0 Drive Logic Section

SIEMENS Circuit Board 6SC6300-0FE01 SIMODRIVE

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

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ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88228

ADEPT TECH 10332-11400 NSPP 1033211400