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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(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，來分析和判斷故障的部位和原因。

Red Lion GEM 10000

Schneider Modicon AS-BDAP-208 TSX Compact Output Module UEX

Schneider Modicon AS-884A-301 MODULE AS884A301

Schneider Modicon AS-S902-081 Memory Module

Schneider Modicon AS-509P-003 CNC Memory Board Rev A7 (AIND/UVG)

Schneider Modicon B805 AS-B805-016 AC Input Module

Schneider Modicon AS-H827-100 11 SLOT RACK

SCHNEIDER OUTPUT MODULE TSX ASY 410 TSXASY410

SIEMENS 6ES5430-3BA11 DIGITAL INPUT MODULE

Roland fantom XR

SIEMENS CONTROL MONITOR M IPC3510A300MGT TOUCH SCREEN

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

RELIANCE ELECTRIC NETWORK COMMUNICATION MODULE 57404-1 57-404-1 57404-1F "AS-IS"

SIEMENS CONTROLLER CARD 6SN1118-0AD11-0AA1

SIEMENS SIMODRIVE POWER MODULE 6SN1123-1AA00-0EA2

SIEMENS 6FC5110-0CB01-0AA0 6FC51140CB010AA0 version E

AllenBradley2711P-RP6A

Allen Bradley Versaview 1500P 6181P-15TPXPHSS Rev A Ser C For Windows XP AB/COA

ABB Floppy Disk Module DSMD-113 DSMD 113 5736 045-N

Advanced Energy B5181854DD Pinnacle 8 kW DC Power Supply

(M3) 1 ED5-02B 614-000-8 BOARD M3

MARPOSS 3413024000 NSPP 3413024000

ALLEN BRADLEY 1334-GOB USPP 1334GOB

GE FANUC IC3600LSRB1 USPP IC3600LSRB1

FANUC A06B-6058-H223 USPP A06B6058H223

SIEMENS 1PH7107-2MG02-0BJ3 USPP 1PH71072MG020BJ3

RELIANCE ELECTRIC 0-846181-1R NSPP 08461811R

SIEMENS 6EC1110-0A USPP 6EC11100A

Siemens 6ES5 466-4UA11 6ES54664UA11

Siemens 6ES5-944-7UA21 USPP 6ES59447UA21

SIEMENS 6ES5-435-7LA11 NSPP 6ES54357LA11

Siemens 6ES5 701 1LA12 EXPANSION RACK ER1 6ES57011LA12

Siemens S5 6ES5 928-3UA12 6ES59283UA12

Siemens C79451-A3276-B55

SIEMENS 6ES5-305-7LB11 NSFP 6ES53057LB11

Square D 8020 SCP-322

OEM Genuine Mercedes MHI Bluetooth Cradle Adapter Interface Module BT B6787587

WS-C3750G-16TD-S FREE 1 YEAR - CATALYST 3750G SWITCH

Siemens 6ES7235-0KD20-0XA0 6ES72350KD200XA0

Siemens Simatic Panel TP170A 6AV6 545-0BA15-2AX0

Reliance 801443-8ZS

Schneider Modicon ASWBXT201 AS-WBXT-201Compact b

Schneider Modicon AS-B374-001 USPP ASB374001

Schneider Modicon AS-T584-005 USPP AST584005

Schneider Modicon AS-BDAP-210 USPP ASBDAP210

Schneider Modicon AS-B824-016

MODICON AS-B352-001 OUTPUT MODULE GOULD AEG B352 115 VOLT AC

Siemens Input Module 6ES5 430-7LA11

SIEMENS / TI 505-4732 DC DISCRETE OUTPUT MODULE

Siemens OPM2 6SE3290-0XX87-8BF0 6SE32900XX878BF0

SIEMENS SINUMERIK 12.1 TFT OPERATOR INTERFACE PANEL 6FC5203-0AF02-0AA1 NE

Telemecanique TSXMPT61 Communication Module

SIEMENS 6SN1118-0DM21-0AA0 CONTROL MODULE W/FDBACK QUANTITY

SIEMENS SIMODRIVE (POWER SUPPLY) 6SN1145-1AA01-0AA1

SIEMENS 6FC5357-0BB11-0AE1 6FC53570BB110AE1

Advantech PCM-7110 A2 01-1 with SOM-1240 module

ALLEN-BRADLEY 1746-OV32 SLC 500 OUTPUT MODULE SER.C QUANTITY

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 84823

ADEPT TECH 10330-00600 USPP 1033000600

(0 back) Reliance Elec. Motor 02KL502162-VZ 30HP 3500RPM 432V 62-PNDF-0512-A3-68

IDM CONTROLS CIMR-P5U2037 NSFP CIMRP5U2037

TECH MOTIVE TOOL 48D200P1001 USPP 48D200P1001

DOLAN JENNER SS7B481MDO NSFP SS7B481MDO

CTC PARKER AUTOMATION P71-3C2-A2-2A1 USPP P713C2A22A1

PCME LTD DM-990 USPP DM990

MODICON AS-506P-008 USPP AS506P008

HEWLETT PACKARD TEST & MEASURE E1460A NSFP E1460A

Siemens 6ES5 308-3UC11 6ES53083UC11

Siemens 6ES5-525-3UA11/6ES5525-3UA11 COMM INTERFACE NIB

SIEMENS 6ES5-373-0AA21 NSFP 6ES53730AA21

Siemens 6ES5 234-1AD11 6ES5234-1AD11 6ES52341AD11

Siemens 6ES5420-3BA11 INPUT MODULE

Siemens 6GK7-243-1GX00-0XE0 6GK7243-1GX00-0XE0 CP243-1 IT

Siemens TP177B 6AV6642-0BC01-1AX1 Touchscreen Glass

Siemens 6ES5726-8BC50

LANDIS A125093 DRIVES INTERFACE MODULE

YASKAWA ELECTRIC JAMSC-B1051B NSFP JAMSCB1051B

SIEMENS 6ES7 222-1HF32-0XA0 6ES7222-1HF32-0XA0 FreeShip

Siemens OP37 6AV3 637-1LL00-0FX1 Membrane Keypad

Red Lion RLYBD002

Schneider Modicon AS-B807-132 Input Module ASB807132

Schneider Modicon AS-884A-201 Control 3.5K W/ Remote I/O AEG884 Gould

Schneider Modicon AS-P120-125 NSFP ASP120125

Schneider Modicon AS-B239-001

Schneider Modicon AS-521P-008 CNC Memory Board AIPR/UGC

Modicon XBT FC044610 Telemecanique Magelis 24VDC 35W

SIEMENS SIMATIC S7 SM338 POS-INPUT MODULE 6ES7 338-4BC01-0AB0

Telemecanique TWIDO TWDALM3LT

Siemens Simatic Relay Output Module TI305-05T

Siemens 9610 9610DC-1155-GZZA Power Meter Display ION Ethernet Access NNB

SIEMENS Sinumerik Hand Wheel 6FC9320-5DC00

SIEMENS 6SN1118-1NH01-0AA1 6SN1 118-1NH01-0AA1 SIMODRIVE 611-U Control Unit

SIEMENS Simodrive 6SN1123-1AA01-0FA1 LT-MODUL INT.200A Version A

SIEMENS I/O MODULE 6FC3984-3RA 6FC39843RA 64E/32AUSGAEN

Advantech PCM-3860/64 A1

ALLEN-BRADLEY 2711-K5A20 PANELVIEW 550 2711K5A20 CLEAN TESTED GOOD COND.

ABB 5SDD0760D0001 3BHL001862P0001 Thyristor for ACS1000 AC Drive Set of 6

Acroloop OPS 8000 Motion Control System

6808104G75 Westinghouse 150HP 460V 3Ph 3560RPM 445TS Frame Life-Line T AC Motor

8520-3S10A-BAT-EX4-Y-2-3-5-7 ALLEN BRADLEY DRIVES REMANUFACTURED

SIEMENS 6SE3-121-7DG40 USPP 6SE31217DG40

AUTRONICA BX-40 USPP BX40

ASEA BROWN BOVERI DSQC-266C USPP DSQC266C

MITSUBISHI Q4ACPU USPP Q4ACPU

INDRAMAT MAC90C-0-GD-4C/110-A0/WI520/S01 USPP MAC90C0GD4C110A0

ASEA BROWN BOVERI 52820083-LF USPP 52820083LF

TEXAS INSTRUMENTS PLC 505-2572 USPP 5052572

Siemens 6ES5-441-4UA14/6ES5441-4YA14 DIG OUT MODULE NIB

SIEMENS 6ES5 491-0LA12 6ES54910LA12

SIEMENS S5 6ES5 308-3UB11 6ES53083UB11

Siemens S5 6ES5 482-8MA13 6ES54828MA13

SIEMENS 6ES7 621-6BD02-0AE3 SIMATIC C7-621 ASI Worldwide

Siemens S5 CPU 926 6ES5 926-3KA12 6ES59263KA12

PowerCore CPCI-3750 Single Board CompactPCI Computer

Honeywell Ademco 4100SM Serial Interface Module

Wagner PFM 2007 Primatech Injector Control Module Interface Panel

SIEMENS 6DS1222-8BA 6DS12228BA

Siemens LOGO! 230RC 6ED1 052-1FB00-0BA5 6ED10521FB000BA5

Omron 3G2A5-OC224

Schneider Modicon AS-P120-000 Compact Power Supply P120 AS P120

Schneider Modicon LEVEL-3 16K 3CARD CHASSIS 584 AS-584A-340

Schneider Modicon AS-H819-100 ASH819100 Fast Shipping

Schneider Modicon Gould/ AS-984A-816

Schneider Modicon AS-BDAP-218

Schneider Modicon REGISTER OUTPUT MODULE B370 AS-B370-001

TELEMECANIQUE HMI XBT-G2110 XBTG2110 Touch Screen

SCHNEIDER TELEMECANIQUE OTB1CODM9LP OTB1C0DM9LP

Siemens4700-BDRMC3-11HNPanelPowerMeter2.3.0.4

Siemens 6AV6 545-0BA15-2AX0 6AV65450BA152AX0 Panel

SIEMENS Sinumerik 6FC5111-0CA70-0AA0 End Terminator

GE Fanuc Communications Control Module IC693CMM311J IC693CMM311

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

SIEMENS SINUMERIC 840D 6FC5357-0BB23-0AE0

SIEMENS IBM 1040990 Printer Ribbons - IBM Printer Ribbons

ALLEN-BRADLEY CONTROLLOGIX 1756-OB16I/A DC ISOL OUTPUT MODULE QUANTITY

AB PanelView 1200 2711-TC1 F

AC Motor Invertor - 50 HP - 480 Volt - Three Phase Input

A06B-0602-B232#01 FANUC SERVO MOTORS REMANUFACTURED

750' Rust 250 250 250 3/0 250MCM 250 MCM 3/0 Rust Aluminum Cable Wire URD

RELIANCE ELECTRIC S6R-9006 USPP S6R9006

ALLEN BRADLEY 5250-LP3 USPP 5250LP3

ALLEN BRADLEY 20A-D022A0AYNANNN NSFP 20AD022A0AYNANNN

INDRAMAT KVR1.3-30-3 USPP KVR13303

YASKAWA ELECTRIC CIMR-G5M47P51F NSFP CIMRG5M47P51F

WESTINGHOUSE 293B307A15 USPP 293B307A15

INDRAMAT INK0653-06 NSPP INK065306

Siemens 6ES5-245-1AA12 USPP 6ES52451AA12

SIEMENS 6ES5 376-1AA31 6ES53761AA31

SIEMENS Interface Module 6ES5-312-5CA11 0.5 Cable Surplus

Siemens Analog Input Module 6ES5463-4UB12

Siemens 6ES7 131-4BD00-0AA0 with 6ES7 193-4CA20-0AA0

SIEMENS MP377-12 12.1" Touch Glass

RELIANCE 57C416/0-57416 REMOTE I/O COMM MODULE NIB

Texas Instruments 505-4516

Stock Quantity Worldwide Shipipng BRAND RETAIL

UBR7246VXR CISCO UBR 7246 4MC 2PA SLOTS 1YR - ASK 4 QTY

Siemens Controller ACX32.000/ALG

Modicon CM 1000

Schneider Modicon NIB AS-HBOX-201 3 1/2 DISKETTE STORAGE BOX

Schneider Modicon AEG/GOULD/MODICON/ AS-S480-207 MEMORY CPU BOARD XLNT

Schneider Modicon AS-BDEP-209 NSFP ASBDEP209

Schneider Modicon AS-BDAP-216N

Schneider Modicon -AS-506P-004

Schneider Modicon DAP 218/AS-BDAP-218 TSX Compact Output Module H13 817

Schneider Proximity Sensor XS530B1DAL2 NIB DC12-48V

SCHNEIDER MODICON TSX PREMUIM 24VDC INPUT MODULE TSXDEY16D2

QUICKPANEL QPI-ABR-201 AB REMOTE I/O INTERFACE MODULE

SIEMENS 6ES5456-4UA12 Digital Output Module NIB-FS

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

Mitsubishi AJ71UC24 Communication Module

SIEMENS SIMODRIVE 6SN1123 6SN1123-1AA00-0DA2 611 611U

SIEMENS SINUMERIK CNC KEY BOARD 6FC5203-0AC00-0AA2

SIEMENS /MOORE APACS NIM MODULE 16194-32/02 39NIM421BAN-GUARANTEED

ALLEN-BRADLEY VERSAVIEW CE 1500H 6182H-15BRH4D 6189-RPRH LOGIC MODULE

Allen Bradley SLC 500 1746-OB16 ser D Output Module

ABB ROBOTIC DRIVE 3HAB8101-13/05A

A06B-0147-B075#0075 FANUC SERVO MOTORS

0-2.14GHz 3.5/1.52 mm Panoramic wave coefficient meter P2-106 an-g Agilent

NACHI AUXL-111A USPP AUXL111A

ALLEN BRADLEY 1756-L55M13 FNFP 1756L55M13

ALLEN BRADLEY 1336-B020-AA-EN-HA1-L6 NSFP 1336B020AAENHA1L

GENERAL ELECTRIC 531X126SNDAFG1 NSFP 531X126SNDAFG1

SQUARE D SMSDL NSFP SMSDL

SIEMENS 6SE7021-3TP50 USPP 6SE70213TP50

BALDOR ID15201-E NSFP ID15201E

Siemens 6ES5 944-7UB21 -- 6ES59447UB21

Siemens Simatic S5 6ES5 942-7UA12 6ES59427UA12

SIEMENS 6ES5-701-2LA11 USPP 6ES57012LA11

Siemens 6ES5 482-8MA13/6ES54828MA13 NICE

Siemens 6AV3627-1LK00-1AX0 OP27 Membrane Keypad Worldwide

Siemens Inverter 6SL3224-0BE22-2UA0

Samsung MMCRE28GTDXP-MVB01 128GB 1.8

Ta Hsing LL49086

Siemens Interface Module 6ES5-312-5CA11 0.5 Cable Surplus

FLEX Analog Input Thermocouple/RTD/mV

Siemens 6SE7031-7HH84-1HJ0 in Box

SIEMENS VS710 Vision Sensor 6GF1710-2AA

Schneider Modicon AS-BDAP-216N OUTPUT MODULE

Schneider Modicon ASB875002 TESTED Analog INPUT Module AS-B875-002

Schneider Modicon AS-B846-002 NSFP ASB846002

Schneider Modicon 984 series of Switch b modules AS-B809-016 WARRANTY

Schneider Modicon Battery CELLS AS-5378-002 for AS-5378-002 PACK

Schneider Modicon AS-H827-209 ASH827209 27" Primary Rack NIB

Schneider Modicon PanelMate Plus 1000 MM-PM1030SC 92-01686-00

SIEMENS 6ES5 490-7SA11 Simulator Input Module

RME HDSPE PCI EXPRESS CARD

siemens board 6FX1124-6AD02

SIEMENS Sinumerik DMP Module 6FC5111-0CA03-0AA28Amp WARRANTY

RELIANCE ELECTRIC 57416-S REMOTE I/O COMMUNICATIONS MODULE 57C416 S

SIEMENS CONTROLLER CARD 6SN1118-0NJ00-0AA2

SIEMENS XVGA box replace monitor to LCD 6FC4600-0AR50 6FC5103-0AB01 SC-1200

SIEMENS 6FC5-110-0BA01-1AA0 NSFP 6FC51100BA011AA0

AllenBradley2711-K9C9PanelView900SeriesARev.A

ALLEN BRADLEY VersaView 1200P TOUCH SCREEN OPERATOR INTERFACE 6181P-12TSXPH

ABB INTERBUS - 3HNE00006U1 - DSQC351A

Advanced Energy MDX-L18M

(N3-3) 1 FISHER ROSEMOUNT 41B5222X33R ANALOG CARD N3-3

MEASUREX 08546401 USPP 08546401

ALLEN BRADLEY 1336-BDB-SP3D FNFP 1336BDBSP3D

GE FANUC IC697CPM925 USPP IC697CPM925

FANUC A16B-1200-0201 USPP A16B12000201

SIEMENS 6AV7-800-0BB00-2AC0 NSFP 6AV78000BB002AC0

RELIANCE ELECTRIC 413338-1YB NSFP 4133381YB

SIEMENS 6FC1113-6AA00 USPP 6FC11136AA00