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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。　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(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。

Schneider Modicon AS-BDAP-210 TSX COMPACT MODULE

Modicon/Schneider PanelMate PM+ 1000 Modbus MMPMMP003C

Siemens 6ES7 131-4BD00-0AA0 6ES71314BD000AA0 Input Module

SIEMENS 6ES5-308-3UA12 USPP 6ES53083UA12

Quantum 8pt Thermoc Input Module model 140 ATI 030 00

Siemens 6ES54547LB11 6ES5-454-7LB11 Output Module 24VDC 2.0A in Sealed Box

SIEMENS OFFER & WIN 6FX1111-5AA00 Sinumerik Rack

MITSUBISHI A1SJ71UC24-R4 COMMUNICATION MODULE GOOD TAKEOUT

SIEMENS SIMODRIVE 6SN1123-1AA00-0DA1 / 6SN1118-0DM33-0AA0

SIEMENS SINUMERIK CHASSIS 810 M GA2 6FC3541-OAC-Z DC24 USMT CNC MILL MACHINE

SIEMENS /MOORE 61H F/R RELAY BOOSTER NNB

Allen-Bradley Versaview 6189-RDT10C

Allen Bradley SLC 500 1746-OA8 SER D Output Module

ABB ROBOTIC DRIVE 3HAB8101-6/11A

A06B-0147-B075#7008 FANUC SERVO MOTORS REMANUFACTURED

0200-36686 Ring single Low profile 200mm JMF CER

NACHI AUXL-111C-A0 USPP AUXL111CA0

ALLEN BRADLEY 1756-L55M14 NSFP 1756L55M14

ALLEN BRADLEY 1336-BDB-SP19D USPP 1336BDBSP19D

GENERAL ELECTRIC 531X152IOCAKG1 NSFP 531X152IOCAKG1

SQUARE D TVS-2EMA24AIC NSFP TVS2EMA24AIC

SIEMENS 6SE7-028-6EC85-0AA0 USPP 6SE70286EC850AA0

BALLUFF BIS-C-602-019-652-03-KL2 USPP BISC60201965203K

Siemens 6ES5 945-7UA11 6ES59457UA11

Siemens Simatic S5 6ES5 943-7UB21 6ES59437UB21 115U CPU

SIEMENS 6ES5-705-0BB20 USPP 6ES57050BB20

Siemens 6ES5 490-7LA11 USPP 6ES54907LA11

Siemens 6AV3627-1QL01-0AX0 LCD Display

Siemens Inverter Card 6SE7 090-0XX84-0FJ0

Same as model AVS-OP-0404-DD0 part FGP46-0404-DD0 video

TB Woods DST150V4B3G

SIEMENS INTERFACE MODULE 6ES5312-5CA21

Color/Touch Screen/EtherNet Terminal

Siemens 6SE7033-2EG84-1JF0

SIMENS MP277-10 6AV6 643-0CD01-1AX1 Protective Film

Schneider Modicon AS-BDAP-210 TSX OUTPUT MODULE NIB

Schneider Modicon ASB872200 EXCELLENT Analog OUT Module AS-B872-200

Schneider Modicon AS-B855-016 USPP ASB855016

Schneider Modicon AS-B875-002 ASB875002 Free Ship

Schneider Modicon Board AS-HDTA-200

Schneider Modicon AS-H827-209 HSG PRIM 27 in SYSBUS CHASSIS NIB

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

SIEMENS 6ES5 464-8MF21 ANALOG INPUT MODULE

RME HAMMERFALL HDSP AES-32- PROAUDIOSTAR

Siemens Apogee MBC Module PTM6.2Q250-M Digital Output Module

SIEMENS Sinumerik DMP Module Modul 6FC5111-0CA01-0AA0

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

SIEMENS CONTROLLER CARD 6SN1118-1NH00-0AA2

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

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

AllenBradley2711-K9C9PanelView900OperatorInterfaceSeriesCRev.L

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

ABB INTERRUPTER ASSEMBLY 539D19302 FOR 345KV CIRCUIT BREAKER

Advanced Energy Mercury 10013 Match, P/N 27-256558-00

(no #) Cervis Remote Control Unit TM70/1.13 With Cable

MEASUREX 08591501 USPP 08591501

ALLEN BRADLEY 1336E-B040-AE-EN USPP 1336EB040AEEN

GE FANUC IC697CSE784 USPP IC697CSE784

FANUC A16B-1210-0030 NSPP A16B12100030

SIEMENS 6AV7-802-0BA02-1AC0 NSFP 6AV78020BA021AC0

RELIANCE ELECTRIC 419437-D USPP 419437D

SIEMENS 6FC5-110-0DB03-0AA2 USPP 6FC51100DB030AA2

Siemens 6ES5 470-4UC13 6ES54704UC13

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Siemens S5 6ES5-318-8MB13

Siemens C98043-A1203-L23-06

Siemens 6ES5 470-4UC13 -FS- 6ES54704UC13

Square D 8030 CC-15

Omron C500-II002 Expansion Rack Interface Module

WS-C3550-12T CISCO SWITCH 10-10/100/1000 PORTS 2 GBIC PORTS: EMI

Siemens 6ES7316-2AG00-0AB0

Siemens Simovert 6SE7016-1TA61

Remote Display RD-300

Schneider Modicon AS-P120-125 SEALED 125VDC Supply ASP120125

Schneider Modicon AS-B548-000 USPP ASB548000

Schneider Modicon AS-W600-006 NSPP ASW600006

Schneider Modicon AS-BDEP-216 16 Point Input Module

Schneider Modicon AS-B826-032/ASB826032 Output Module OFFERS ACCEPTED

MODICON ANALOG OUTPUT MODULE AS-B872-100

SIEMENS EM221 DI 8XDC24V 6ES7 221-1BF00-0XA0 Digital Input Module

Sharp JW-31LM I/O MODULE 32-SLAVE STATIONS 345.6KB 504 POINTS

Siemens Operator Interface 6SE32900XX878BF0 23884

SIEMENS Sinumerik 6FC3251-1AC-Z 810T Controller

SUPPLYNET COMMUNICATIONS TANKLINK 3810 DIGITAL CONTROL CONTROLLER MODULE LLC

SIEMENS 6SN1118-1NH01-0AA1 6SN11181NH010AA1

SIEMENS Lt-Modul INT. 50A Simodrive 6SN1123-1AA00-0CA0

SIEMENS 6FC5248-0AF20-2AA0 MOUNTING BRACKET

Advantech Remote Data Acquisition Module ADAM-4013 NIB

ALLEN-BRADLEY 1746-0A16 SLC500 SERIES D OUTPUT MODULE

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88205

ADEPT TECH 10332-00714 USPP 1033200714

(1) 4 Fanuc Motors and (1) Mitubishi Motor

INDRAMAT DDC01.2-N200A-DA02-01-FW USPP DDC012N200ADA020

TELEMECANIQUE LA9-B102 NSFP LA9B102

ELDEC 5250062 USPP 5250062

CUTLER HAMMER A13GN0 USPP A13GN0

PRATT & WHITNEY DU205E USPP DU205E

MODICON AS-B260-001 USPP ASB260001

INDRAMAT IKG0022-22 NSPP IKG002222

Siemens 6ES5 314-3UA11 6ES53143UA11 Free Ship

Siemens 6ES5-530-7LA12 NSFP 6ES55307LA12

SIEMENS 6ES5-374-1FH21 USPP 6ES53741FH21

Siemens 6ES5 315-8MA11 INTERFACE MODULE

Siemens 6ES5-700-8MA11 6ES57008MA11 F294

Siemens 6MD1021-0AA00 Sicam Digital Input

Siemens TP270 6AV6545-0CA10-0AX0 Touchscreen Glass

Siemens 6ES5942-7UB11

Lincoln Electric L6580-1 Remote Interface Module

Yaskawa 87350-11000 PLC Module 8735011000 NIB

Siemens 6ES7 223-1PH21-0XA0 6ES7223-1PH21-0XA0 FreeShip

SIEMENS OP7 6AV3 607-1JC00-0AX1 Membrane Keypad ping Worldwide

Reliance 0-51378-2

Schneider Modicon AS-B804-116 115VAC Output ASB804116

Schneider Modicon AS-9003-821 USPP AS9003821

Schneider Modicon AS-P371-002 USPP ASP371002

Schneider Modicon AS-B351-001 PLC MODULESINPUT115VACGOULD

Schneider Modicon AS-884A-111 Controller

MODICON TELEMECANIQUE MAGELIS OPERATOR INTERFACE TXB TF024510E

Siemens Simatic S7 6ES7 131-4BD01-0AA0 Digital Input Module

Siemens 6ES7 332-5RD00-0AB0 6ES73325RD000AB0

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SIEMENS SINUMERIK 6FC5203-0AF00-0AA0 MembraKeypad

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SIEMENS Simodrive 6SN1118-0DM21-0AA0 6SN11180DM210AA0

SIEMENS SIMODRIVE 6SN1123-1AA00-0CA1/0CA0

SIEMENS Display 6FC5203-OAB10-0AA0

Advantech Remote Contact/Digital Input ADAM-4053

Allen-Bradley 2711C-T6C Ser B PanelView C600 Color Touchscreen NIB

ABB 64513591 MAIN CIRC. INTERFACE NINT-72C SEALED

Acterna JDSU DSAM-3500B Digital CATV Meter DSAM 3500 w/ Home Cert Secure Sync

6ES5470-7LA13 SIEMENS Analog Output Module

853-012500-003 DETECTOR, EDGE ASSY TYPE

SIEMENS 6SE7-022-7EP70 USPP 6SE70227EP70

BAILEY CONTROLS IMMFP-03 NSPP IMMFP03

ASEA BROWN BOVERI YT204001-FSI1 USPP YT204001FSI1

MODICON AM-R911-000 NSFP AMR911000

INDRAMAT MDD112D-N-020-N2L-130PB0 USPP MDD112DN020N2L11

ASEA BROWN BOVERI YB560103-CH USPP YB560103CH

VIDEO JET 358160-E NSFP 358160E

Siemens 6ES5-451-4UA12 NSFP 6ES54514UA12

SIEMENS 6ES5 700-2LA12 6ES57002LA12

SIEMENS S5 6ES5 377-0AB31 6ES53770AB31 NIOB

Siemens S5 CONNECTOR 6ES5 490-8MB21 6ES54908MB21

Siemens 6ES7 972-0BB41-0XA0 6ES7972-0BB41-0XA0 NIB

Siemens S7-200 EM231 6ES7 231-0HC20-0XA0 EM 231

Siemens 3TB4012-0B

HONEYWELL TC-CCR012 REDUNDANT NET INTERFACE MODULE

Waters Millipore System Interface Module Detector

Siemens 6ED1 052-2HB00-0BA3 6ED1052-2HB00-0BA3 FreeShip

Siemens LOGO! 6ED1 052-1HB00-0BA6 NIB + LOGO USB Cable

Omron 3G2A9-AL001

Schneider Modicon AS-J878-000 MODEM MODULE ASJ878000

Schneider Modicon PROGRAMMABLE CONTROLLER AS-584L-231 W MEM

Schneider Modicon AS-H827-100 ASH827100 Fast Shipping

Schneider Modicon LOT OF 3 AS-P120-000 POWER SUPPLY MODULES

Schneider Modicon AS-C921-100

Schneider Modicon AS-J890-101 ASJ890101 I/O Processor

Telemecanique MODICON TWDLCAA16DRF

Schneider Telemecanique TM2DRA8RT MODICON PLC

Siemens Touchpanel TP177A 6AV6 642-0AA11-0AX0

Siemens 6AV3627-1QK00-2AX0 6AV3 627-1QK00-2AX0 SIMATIC TP27-6 Touch Panel

SIEMENS Sinumerik 6FC5412-0FA10-0AA0 Impuls Adapt .

FX-232ADP Mitsubishi PLC RS-232 Communication Module FX232ADP

SIEMENS Simodrive UEB - Module Int/Ext. 6SN1112-1AC01-0aa1 SURPLUS

SIEMENS SIMODRIVE 6SN1146-1AB00-0BA1SINUMETIK 840D NCU-BOX 6FC52476FC5356 2NC

SIEMENS 04-07VWTOUAREGKEYLESSREMOTE3D0959753 OFCC:KR55WK45022GERMANYHUF

Allen-Bradley A-B PanelView 1400e Terminal 2711E-K14C6X

AB,ALLEN-BRADLEY BULLETIN GMC DIGITAL SERVO CONTROR 10KW 1394 ,AXIS 10KW,IM

AC Servo Controller AC Main Spindle Drive KDV; KDS; KDA

A06B-0819-B001 FANUC AC SERVO SPINDLE REMANUFACTURED

75HP VERTICAL MOTORS, 3600 RPM VSS, TEFC , 230-460V, 365LP

REXROTH 1070070309 NSFP 1070070309

ALLEN BRADLEY 6170-DCCE1A1EBZZ USPP 6170DCCE1A1EBZZ

ALLEN BRADLEY 2711-B6C20 NSPP 2711B6C20

INDRAMAT MDD112B-N-040-N2L-130PA0 NSPP MDD112BN040N2L13

YASKAWA ELECTRIC SGDH-75AE NSPP SGDH75AE

WHEDCO IMC-3161-2-B NSPP IMC31612B

KAWASAKI 50817-1116R01 USPP 508171116R01

Siemens 6ES5-254-4UB21 USPP 6ES52544UB21

SIEMENS 6ES5 385-8MB11 6ES53858MB11

SIEMENS PLC INPUT MODULE 6ES5 430-7LA12 VER 3

Siemens CABLE CP541 TO S5-CPU S5-135/55 6ES57358BB0

Siemens 6ES7 210-8XX00-6AA0 6ES7210-8XX00-6AA0 PDS210 in Box, Seal opened

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RELEASE SuperMicro X9SAE MB ※Check W/ Us for Availability FIRST※

Texas Instruments 510-2101

SYMAX Square D 8030 CRM222 8030CRM222 Remote Interface Module Series G

Tyan S8236GM3NR-IL Socket G34 AMD SR5690/SP5100 Chipset EEB Motherboard

Siemens CPU 6ES7 414-3XJ00-0AB0 6ES7414-3XJ00-0AB0

Modicon MA-0212-001

Schneider Modicon /GOULD/AS-884A-101 PROCESSOR 2K W/REMOTE I/O

Schneider Modicon ASB838032 24 VDC Output Module AS-B838-032

Schneider Modicon AS-BDEP-218 NSFP ASBDEP218

Schneider Modicon AS-BDEP-210 ASBDEP210 G302

Schneider Modicon -AS-5512-000

Schneider Modicon DISCRETE COMBO AS-BDAP-220 QTY X 3

Schneider Telemecanique BMXP342020

SCHNEIDER INPUT MODULE 170ADI35000

Q64TDV-GH Mitsubishi PLC Milivolt Analog Input 4 Pt Isolated Q64TDVGH

SIEMENS 6ES5452 - 8MR11 RELAY OUTPUT MODULE

SIEMENS 6DD1606-0AD1 NSFP 6DD16060AD1

MERCEDES S W220 Communication Telephone Module TELEAID A2108208026

SIEMENS SIMODRIVE 6SN1123-1AA00-0HA0

SIEMENS SINUMERIK 840D/DE NCU 573.4 6FC5357-0BB34-0AA0 6FC53570BB340AA0 NIB

SIEMENS /MOORE 39ACM24BDN/16139-205 ADVANCED CONTROL MODULE XLNT

Allen-Bradley SLC500 Output Module 1746-OX8 Series A

ALLEN BRADLEY SLC 500 16-CHAN OUTPUT MODULE 1746-OW16

ABB ROBOTICS SERVO MOTOR,PS130/6-200-P-LSS-4101

A06B-0147-B084#7075 FANUC SERVO MOTORS

0-51879-5 PRL GATE AMP PGAF

OKUMA 1006-1216-71-039 USPP 1006121671039

ALLEN BRADLEY 1756-L62 USPP 1756L62

ALLEN BRADLEY 1336F-BRF150-AA-EN-GMS1 USPP 1336FBRF150AAENG

GENERAL ELECTRIC CR306G002 NSFP CR306G002

SYMAX 8020-SCP-544 NSFP 8020SCP544

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CARRIER HK50AA001 USPP HK50AA001

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