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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，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。

Schneider Modicon AS-BDEP-217 Discreet IN 24VDC ASBDEP217

Schneider Modicon AS-9370-001 USPP AS9370001

Schneider Modicon AS-B875-011 USPP ASB875011

Schneider Modicon REMOTE IO SUSTEM EXPANDER AS-J200-001

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SCHNEIDER TSX QUANTUM RTD INPUT MODULE 140 ARI 030 10 20-100414-01

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ALLEN BRADLEY 1326AB-B515E-21-K5 USPP 1326ABB515E21K5

GENERAL ELECTRIC 193X-451AAG03 USPP 193X451AAG03

SQUARE D AF2308GETBMB USPP AF2308GETBMB

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ASEA BROWN BOVERI 3HAB2209-1 USPP 3HAB22091

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Square D EQ5138-G1

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SynchLink Drive Interface Module QTY

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ABB EMPTY S4C+ M2000 CABINET

Advanced Energy AE Apex 3513 RF generator ABM3K000EA120B001A 13.56Mhz 5.5 Kw

(L26-5) 1 NIB AMERICAN POWER CONVERSION SMART-UPS1400RM2U UPS BACK UP L26-5

MAGNETEK GPD515C-B065 USPP GPD515CB065

ALLEN BRADLEY 1326AB-B730E-M2L USPP 1326ABB730EM2L

GE FANUC IC3600APAB1 USPP IC3600APAB1

FANUC A06B-6058-H011 NSFP A06B6058H011

SIEB & MEYER K-258931 USPP K258931

RELIANCE ELECTRIC 0-57404-3A NSFP 0574043A

SIEMENS 32.1578.340-00 NSPP 32157834000

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Square D 8020 SCP-122

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WS-C4507R CATALYST 4500 CHASSIS 7-

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Schneider Modicon DTA-200 / AS-HDTA-200 Primary Subrack 5 Slots

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Texas Instruments 500-2109 Communication Module Assembly

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Allen-Bradley 1747-L532 SLC 5/03 CPU with I/O modules

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 84802

ADEPT TECH 10310-61210 USPP 1031061210

(#3069) Allen-Bradley 1756-EN2T ControlLogix Ethernet Module Factory Sealed

HORIBA FIA-23A USPP FIA23A

TB WOODS WFC4025-0C NSFP WFC40250C

DEMATIC KBF100-4-8/2 NSFP KBF100482

COOPER INDUSTRIES 927255 NSPP 927255

PACIFIC SCIENTIFIC SC723B001-01 USPP SC723B00101

MODICON AM-S985-032 USPP AMS985032

GRAPHTEC WR3300 USPP WR3300

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Siemens 6ES5-524-3UA15 NSFP 6ES55243UA15

SIEMENS 6ES5-372-0AA61 NSFP 6ES53720AA61

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Red Lion LIBC1E00

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Schneider Modicon AS-884A-101 Processor Module 60 DAY WARRANTY

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Modicon XBTF024110 Magelis Operator Interface XBT F024110 24VDC 35W V1.1 3244

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ABB 58031844 Mem86-3 192K AB Stromberg

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ASEA BROWN BOVERI DCS502-B02505121 USPP DCS502B02505121

MITSUBISHI MR-J2S-11KB NSFP MRJ2S11KB

INDRAMAT MAC112C-0-HD-4-C/130-A-0/WI518LV/S021 NSPP MAC112C0HD4C130A

APW MCLEAN 13-0116-G0014 USPP 130116G0014

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Schneider Modicon B828 OUTPUT TH MODULE AS-B828

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Schneider Modicon PROM MEMORY CARTRIDGE AS-E380-902

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schneider Telemecanique Limit Switch XCE-154 NIB

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750 kva Square D Transber HV 4160 3 LV 416Y/240 & 600a HVL Switch

RELIANCE ELECTRIC DSA-MTR-60D NSPP DSAMTR60D

ALLEN BRADLEY 506309 NSPP 506309

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SIEMENS Input Module 6ES5 436 4UB12 SURPLUS

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Texas Instruments 505-4308

STARTECH.COMS SERVER INTERFACE MODULE FOR PS/2 LET

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Modicon AS-W978-015

Schneider Modicon Pathology 3rd Ed. by A.S. P.A. Szanto

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Allen Bradley SLC 500 1746-OB32 Ser D 1746-0B32 Output Module

ABB robot, Fanuc robot, Motoman robot, Nachi robot,

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0190-09379 wPCB ASSY VME CPU SYNERGY UPGRADED

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GENERAL ELECTRIC 502997 USPP 502997

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