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AS-B804-000,

AS-B804-000

DCS系统在工业生产过程的广泛应用，使可靠性、稳定性问题更加突出，也使人们对整个系统要求越来越高。人们希望DCS系统尽量少出故障，又希望DCS系统一旦出现故障，能尽快诊断出故障部位，并尽快修复，使系统重新工作。下面简单介绍故障大体分类及故障诊断的一般方法。
　　一、DCS系统故障的分类
　　为了便于分析、诊断DCS系统故障发生的部位和产生原因，可以把故障大致分为如下几类。
　　1、现场仪表设备故障
　　现场仪表设备包括与生产过程直接联系的各种变送器、各种开关、执行机构、负载等。现场仪表设备发生故障，直接影响DCS系统的控制功能。在目前的DCS控制系统中，这类故障占绝大部分。这类故障一般是由于仪表设备本身的质量和寿命所致。
　　2、系统故障
　　这是影响系统运行的全局性故障。系统故障可分为固定性故障和偶然性故障。这类故障一般比较明显且影响也是局部的，它们主要是由使用不当或使用时间较长，模板内元件老化所致。
　　3、硬件故障
　　这类故障主要指DCS系统中的模板(特别是I/O模板)损坏造成的故障。这类故障一般比较明显且影响也是局部的，它们主要是由使用不当或使用时间较长，模板内元件老化所致。
　　4、软件故障
　　这类故障是软件本身所包含的错误所引起的，软件故障又可分为系统软件故障和应用软件故障。系统软件是DCS系统带来的，若设计考虑不周，在执行中一旦条件满足就会引发故障，造成停机或死机等现象。此类故障并不常见。应用软件是用户自己编定的。在实际工程应用中，由于应用软件工作复杂，工作量大，因此软件错误几乎难以避免，这就要求在DCS系统调试及试运行中十分认真，及时发现并解决。
　　5、操作、使用不当造成故障
　　在实际运行操作中，有时会出现DCS系统某功能不能使用或某控制不封不能正常工作，但实际上DCS系统并没有毛病，而是操作人员操作不熟练或操作错误所引起的。这对于初次使用DCS系统的操作工较为常见。

上亿库存，国内外近千个仓库，公司部分产品型号如下，欢迎联系哦~！

193-EEQD E1 Plus 11-55 A IEC Overload Relay

2080-RTD2 Micro800 2 Channel RTD Plug-In

2090-CPWM7DF-10AA05 MP-Series 5m Servo Power Cable

20AC5P0A0NYNANC0 PowerFlex 70 AC Drive 5 A at 2.2 kW 20A

ENHSCURR5 Cabinet Mount, 5 Port Switch

HE693OIU907 Full-sized Genius VF OIU powered by 80-240VAC

IC200USB002 VersaMax Micro 20/40/64, RS-485 communications option board with (2) 0 - 10VDCanalog input channels built-in. The option board also supports program storage memory module. Compatible with VersaMax Micro 20/40/64 only.

IC647HSTCS20000KM Historian Enterprise Corporate Server 20,000,000 Points (M4 Key)

IC647MMPM MMP:Modicon Modbus Plus

IC676CBLPWB003 IP67 Power Cordset - 0.3 Meters

IC697MSC800 GMR Redundancy System, 386, 100 TMR I/O, (Rack, P/S, CPU, RAM, 3-GBC)

IC800SSI104RS1MOD1 Custom modified 4.3 amp 115/230 VAC S2K servo controller for MTR series motors

SoftLogix System 1789-STRT1 SOFTLOGIX 5800 STARTER KIT ENGLISH

Industrial Computers 6189-RDB10C VVCE 1000, KEY/TOUCH DISPLAY MODULE

Process Control 9399-RSBACLUG RSBATCH ACTIVEX CONTROLS LIBRARY USER'S GUIDE

Operator Interface 2711-B5A16 PV550 MONO KEY&TOUCH, DF1 & RS232 PRINT

Support 9303-23S0E40S SUPPORT RENEWAL CONTRACT FOR 9303-23S0E40

Support 9371-EPNE3R SUPT REINSTATEMENT CONTRACT FOR 9371EPNE3

ControlNet Products 9355-WABOEMENE RSLINX OEM - ENGLISH

RSI Software Products 9301-2SE2500ESU4 RSVIEW32 WORKS 150-100K UPGRADE IN-SUPT (ES)

RSI Software Products 9358-BANT60U1 UPGRADE: IN-SUPT: RSBATCH ARCHIVER 03 TO 60

Motion Control MPL-A4530F-HK24AA MOTOR,SERVO,8.36NM,2800RPM,ENCDR,230V,BRK,11KG

Motion Control 2090-UXNPBMP-16S01 CABLE,460V,NON-FLEX,MOTOR POWER,MP,16 GAUGE,1M

CBL-3C-RD-30 Resolver Cable, MTR-3S & MTR-3N Series Servo Motors, 30 Ft.

IC641CTL937 CIMPLICITY Control Programmer Tooolkit

IC800SLM040N2KE25 400W, 230 VAC SL Servo Motor, 2.5K Quad Encoder

OC647IPWRTS1CLN-50 iPower Option - TS per Client

20AE017C3AYNNNC0 PowerFlex 70 AC Drive 17 A at 15 Hp 20A

20DD077A3ENNACANE PowerFlex 700S AC Drive 77 A 60 Hp 20D

20P41AD667RA0NNN PowerFlex 460V AC 400 HP DC Drive

2711P-B15C22A9P-B PanelView Plus 7 Graphic Terminal

280-PWRM35A-M025 ArmorStart Three-Phase Power Media

MPT-CN300-CH 通讯电缆 3M

1492-MCEA140 Gfep 40 A Circ Brkr, 30 Ma , 1 Pole

1494V-FS200 Fuse Block

软启动器 3RW44652BC44

运行版软件 6AV2104-0BA04-0AA0 SIMATIC WinCC Runtime Advanced 128 PowerTags V14

1585J-M4EBJM-10 RJ45 Ethernet Media

1756-N2 ControlLogix Empty Slot Cover

188-K1B100 Miniature Circuit Breaker 10 A

194E-FA40EX-PD10 194E Load switch

2090-CFBM7DD-CEAF25 Kinetix 25m Flexible Cable

2090-U3BC-D4409 Ultra 3000 Breakout Board Cable

BC646MRA700 View Runtime 700 I/O with Proficy GlobalCare Complete

GC647ASC005 GC SDK 5 Pak

IC200ACC201 Expansion terminator, quantity 1

IC646CGMS00 CIMP Server GM Site License (SW Key)

IC647IFPLRN00150M iFIX Plus SCADA 150 I/O Runtime (M4 Part)

IC660MCK501 PCIM 6-Position Mating Connector (Qty 2)

IC697ADC701RR Access 90 Display Coprocessor

IC756XRT049 Intel x86 DV Tools Runtime 10-49, Per User

FlexLogix System 1794-TBNK CONFORMALLY COATED, NEMA TERMINAL BASE

GuardPLC Systems 1755-L1 GUARDPLC 2000 - MODULAR SAFETY PROCESSOR

Process Control 1757-UPGSIFK UPGRADE GE FAUNC 90 ENET QUICKBUILDER I/F

Operator Interface 2711P-K12C6D1 PV PLUS 1250, KEYPAD, RIO/DH, DC PS, STD MEM

Support 6640-NAA0S 6640-NAA0 SOFTWARE SUPPORT RENEWAL

Support 1784-DP2R SUPPORT PLAN 1784-DP2 REINSTATEMENT

Support F1785-L80ESERD FIRMWARE UPGRADE FOR 1785-L80E PLC5 PROCESSOR MODU

RSI Software Products 9301-2SE2350FRU1 RSVIEW32 WORKS 150-5K UPGRADE IN-SUPT (FR)

RSI Software Products 9701-VWSS250FRU1 RSVIEW SE 25 TO 250 DISPLAY UPGRADE (FRENCH)

RSI Software Products 9399-WAB32LUGES RSLINX LITE USER GUIDE (SPANISH)

Motion Control 8720MC -D065-AN- 65 AMP C CHASSIS DRIVE, OPEN ENCL., LESS OPTIONS

BC646MQPU01 Machine Edition View for Quick Panel, upgrade from QuickDesigner (1 user)

IC300OCS391 OCS351 DEMO KIT WITH CASE

IC752WTE000 Display Station 2000 Series - 10.4" active matrix VGA (640x480) resistive touchscreen, Pentium 233MHz, 64MB RAM, 6.4 GB HD, Ethernet, 300pt count CIMPLICITY HMI, field detachable front/rear housing and Win NT

MTR-3T44-H-R-B-M-0RR Servo Motor Metric 24V Brake

20AC8P7A0AYNANC1 PowerFlex 70 AC Drive 8.7 A at 4 kW 20A

20DC011A3EYNANANE PowerFlex 700S AC Drive 20D

20G1ALD485AN2NNNNN PowerFlex 755 AC Packaged Drive

25B-D024N104 PowerFlex 525 11kW (15Hp) AC Drive

2711T-T10G1N1 MobileView Tethered Operator Terminal

FR-E540-2.2K 4.4 KVA 6A 2.2KW 3相AC380V/50Hz/60Hz

1492-L6-BL IEC Term Blck 8.1x65x38mm Spr Clp

1494F-D200 Disconnect Switch

软启动器 3RW44342BC36

电源 6EP1 332-4BA00 PM1507：额定输入电压 120 V / 230 V AC 自适应，输出 24 V / 3 A

1585D-D4AC9-0M5 Ethernet Media

1747-L553 SLC 5/05 64K Controller

1794-ACNR15XT Flex XT Controlnet Adapter

194E-AA16 194E Load switch

2071-CONN1 Spare Connector Terminals Kinetix 3

2090-CSWM1DF-14AA06 Kinetix Cable Single DSL 2090-Series

20AC2P1A0AYNNNC0 PowerFlex 70 AC Drive 20A

GC646MNT300 Proficy GlobalCare Complete for Logicmaster 90-30

HE693IBM235 Terminal emulation SW/ 3.5 inch disk

IC600YR561RR Substitute IC600YR560

IC647HSTPIM Historian OSI PI Connector (M4 Key)

IC660BBA021RR RTD Input Block, 24/48Vdc Power, 6 Channels, Ph B

IC694MDL658 INPUT 48 VDC POS/NEG 32PT FAST. Wiring termination is two Fujitsu connectors.

IC756WDC009J-99 DV Development Sys VB, Java, C++, Japanese, Version 9.9

MicroLogix 1500/1769 System 1769-CRL1 1 FT (305 MM) RIGHT-TO-LEFT BUS EXPANSION CABLE

PLC-5/1771 System 1785-KA DATA HWY/DATA HWY PLUS INTERFACE MODULE

Distributed I/O 1797-XT CONTROLNET EX TRUNK TERMINATOR

Communications DAG-6.5.8 SCADA SYSTEM APPLICATION GUIDE

Support 9321-PI160S SUPT RENEWAL CONTRACT FOR 9321PI160

Support 9358-HSTS2100R SUPT REINSTATEMENT CONTRACT FOR 9358HSTS2100

Support F1772-LVSERA FIRMWARE UPGRADE FOR 1772-LV PLC2 PROCESSOR MODULE

RSI Software Products 9324-RLD300ITE RSLOGIX 5000 STANDARD, ITA

RSI Software Products 9304-WVPR300DU1R UPGRADE: OUT-SUPT: WINVW TO WINVW PRO RUNTIME 3000

RSI Software Products 9358-PLTM2600U2R UPGRADE: OUT-SUPT: PLANTMETRICS 10 TO 200 WORKCELL

Motion Control 8720SM-093-S6TAS1 93 KW/176 AMP, 750 VDC, AC MOTOR WITH SRS60 ENC.

A06B-0113-B175#7008 B0.5/3000 Servo Motor, Holding Brake, 32K Serial Encoder

IC200UAA007-24 Qty of 24, 28 point PLC, (16) 120VAC In, (12) 120VAC Out, 120V/240AC Power Supply. Battery (IC200ACC403) is required for data retention

IC752BCL101 Datapanel 150/160/240E to SNP (25 pin to 15 pin)

MTR-1350-N-A-E-S MTR series NEMA 34 splashproof stepping motor with parallel winding connection

ZA06B-0085-B203 B22/2000is servo motor with 128k serial encoder

20BD2P1A0AYNANC0 PowerFlex 700 AC Drive 2.1 A at 1 Hp 20B

20G11TC540AN0NNNNN PowerFlex 755 AC Packaged Drive

25-JBAD PowerFlex 520 Frame D NEMA/UL Type 1 Kit

140XCP90000C Quantum RAM电池备用模块, 用于ESI061和EHC105, CC

FRN30F1S-4C 44 KVA 59 A 30KW 3相AC380V/50Hz/60Hz

Z-15GQ2-B 触点:1开/1闭,15A 250VAC机械寿命:1000万次 按钮型

1492-SPM3C160 Mcb Supplementary Protector 16 A

软启动器 3RW40471TB05

热电阻模拟量输入模块 6ES7 231-5PF32-0XB0 SM 1231 AI 8 x 16 位热电阻

150-SB4NBD SMC-50 SOLID STATE MOTOR CONTROLLER 180A

1734-RTBS POINT I/O Accessory

1783-MX04T04E Stratix 8000 4+4 Port PoE Exp. Module

193-ESM-IG-60A-E3T E300/E200 60 Amp Sensing Module

20-750-I1B-C770D740 PowerFlex 750 Replacement Inverter

2090-CPWM7DF-14AF75 MP-Series 75 m Length Power Cable

2098-DSD-HV220-SE Ultra 3000 22kW with SERCOS Servo Drive

GA647IFCLNTS010 GCA iFIX iClientTS 10 Additional Users

GP-0602NT-H1SB GagePort LVDT NT (Half Bridge H1 Blocks) - Sales BOM.

IC5005TAX0110 PanelPC 15 inch Standard Unit with Windows XP and Stainless Steel Bezel

IC647HSTAE3KM Alarm and Events Option for Historian - Standard Server 2500 Points (M4 Key)

IC647SRVPPCREW PA Solutions Pack Crew Scheduler

IC693MDL740 12/24 Vdc Output, 0.5 Amp, Positive Logic (16 Points)

IC756HDV010E-99 DV Draw Development on HP/UX Op Sys, English, Version 9.9

Pico Controllers 1760-L12DWD 12 I/O PICO CONTROLLER W/RTC, 12V DC

PLC-5/1771 System 1771-IQ16K CONFORMALLY COATED,ISOLATED INPUT MODULE,24V DC

Distributed I/O 1791D-0V16PX 24 VDC COMPACTBLOCK I/O EXPANSION, 16 OUT SINK

Communications 1784-PCMS 1784PCMK/B OR 1784PCMKS/A RIO CBL (3 PIN PHOENIX)

Operator Interface 2706-P92C INVIEW MESSAGE DISPLAYS

Support 9701-VWMR015AR SUPT REINSTATEMENT CONTRACT FOR 9701VWMR015AENE

Support 9515-RSNHS005S SUPT RENEWAL CONTRACT FOR 9515RSNHS005ENE

EtherNet/IP Products 2711-T10G20L1 PV1000 GRAYSCALE TOUCH, ENET & RS232 PRINT

RSI Software Products 9301-2SE340ESU2R RSVIEW32 RUNTIME 300-32K UPGRADE OUT-SUPT (ES)

RSI Software Products 9356-PRO2300U1 UPGRADE: IN-SUPT: RSSQL STD.150 TO PROF.1500 TAG

Motion Control 1326AB-B720F-S2K7L MOTOR,SERVO,460V,31.8NM,5000RPM,SINGL,BRK,IP67

4161-901-N4 4161 NEMA 4 LENS KIT

HMI-COV-201 FRONT SHEET COVER FOR 9"

IC693CPU341 CPU 341 Module (80K Bytes user memory), 10K Registers, .3 msec/K

SM1000-MEL QUICKMARQUEE OFF-LINE EDITOR

TRM-21006682 Connector for Target series axis module auxiliary I/O connector J2 or system module I/O connector

20BD011A0AYYADD1 PowerFlex 700 AC Drive 20B

20G11BC1K0JN0NNNNN PowerFlex 755 AC Packaged Drive

22B-V2P3C104 PowerFlex 40- 0.4 kW (0.5 HP) AC Drive

416NHM21234 Quantum MB+ PCMCIA TYPE3 PNP,32威网络适配器

284G-FVD6P0D-25-RRG-CBG-DB1-EMI ArmorStart 284 Controller

H3CA-A 24-220VAC/DC,0.1s-9990h,8种模式?一常开/闭?触点:5A

1492-SPM1C630-N MCB Supplementary Protector 63 A

通用型变频器 6SE6 440-2UC22-2BA1 "2.2 KW,149 x 202 x 172"

电机启动器 3VU13402NH00

150-C25NBR SMC-3 25A Smart Motor Controller

1609-D1000E Uniterruptible Power Supply

1770-XG Dropline Connector Kit

193-EC1DE E3 9-45 A Overload Relay

195-GA02 Auxiliary Contact

2090-CPBM7E7-10AF25 MP-Series 25 m Length Cable

2093-AMP5 Kinetix 2000 Axis Module

CP8B-1WEB-0140-AZ Shielded motor power cable for B0.4is/B0.5is/B1is motors (elbow connector). 14 meters

GF-AU5V/AMS Connecting FlashCable to

IC200UEX164 VersaMax Micro 64 point expansion (40) 24VDC inputs, relay outputs, AC power supply. Compatible with Micro 20/40/64 revision -Bx hardware only version 4.0 firmware and above.

IC647AEC050 PA Efficiency Client 50 Pak

IC647PCMS03 Proficy Change Management Electronic Signature Option - 3 Concurrent Users

IC693CBL334 Cable, Right Side, Two - 24 Pin 90 Degree Connectors, .5 Meter

IC754CBL06MTD Ctrl Loaded 6 In Mono Touch DC Blank

IMC-78005773 Custom modified IMC enhanced stepping motor controller

SLC/1746 System D1746-6.16DE SLC500 THERMOC'PL/MV ISOL.INPUT MOD. USR MNL(GERMA

Distributed I/O 1732D-OB8EM8 DEVICENET 24VDC 8 0.5A OUTPUT W/M8

Application-specific products 1404-M805B-CNT-02 1404-M8 CONTROLNET PM3000 CLASS 0.2 24V P.S.

Operator Interface 2711-T10C12 PV1000 COLOR TOUCH, PBUS & RS232 PRINT

Support 9301-2SE3400FRS SUPT RENEWAL CONTRACT FOR 93012SE3400FR

Support 9381-PA10KENR SUPT REINSTATEMENT CONTRACT FOR 9381PA10KEN

DeviceNet Products 1790-T0W8X LDX I/O, 24VDC, 8 RELAY OUT EXPANSION, TERM BLK

RSI Software Products 9301-2SE3300U2R RSVIEW RUNTIME 150 TO 1500 UPGRADE: OUT-OF-SUPPORT

RSI Software Products 9358-PB10ENE RSBIZWARE BATCH FOR PROCESSLOGIX 10 UNITS

Motion Control MPL-B520K-SJ24AA MOTOR,SERVO,10.7 NM,4000RPM,SINGL,460V,BRK,13.9KG

Motion Control 9101-1478 MATING CONNECTOR KIT/J3 26 PIN MINI D(SOLDER CUP)

GQPK2D100S2P QUICKPANEL COLOR 6" STN GE LABEL

IC646MRD300 Logic PC (HRT) 300 Tag Runtime System

MTR-3T24-H-R-0-M-S MTR-Series Servo Motor, Resolver, Metric, Seal

SNAP 5C5 PC Port is 9-pin male and port on CNC is 25-pin male. This is for Xon/ Xoff communications.

20BC072A0AYNACC0 PowerFlex 700 AC Drive 72 A 37 kW 20B

20F11NE2P7AA0NNNNN PowerFlex 753 AC Packaged Drive

22148-222-01-R SOCKET CONNECTOR

140CPU53414BC Quantum Quantum 534 PLC CONTROLLER CC

281D-F23Z-25D-CR ArmorStart Direct Online RVSG Starter

C200H-OD501 多点I/O单元, TTL输出 5VDC 35mA 32点

1492-RAIFM4-3 Connection Products

存储卡 6ES7952-1AH00-0AA0 RAM/256K

变送器 3RS11011CK30

1497-E-M4-3-N Control Circuit Transformer

1606-XL480F-3H Power Supply XL 480 W Power Supply

1762-L40AWAR MicroLogix 1200 40 Point Controller

188-K3C630-N Miniature Circuit Breaker 63 A

194L-HC4A-175I Type A Size 4 Switch Actuator

2090-CPBM7DF-06AA03 MP-Series 3m Power and Brake Cable

2090-XXNPMF-10S05 Kinetix Drives 5m Standard Cable

BC647SPX365 "Solution Provider 1st Year Subscription includes 2 physcial M4 keys, Gl obal Care Complete (iGC SP1)

GC647PRTEE010 GlobalCare Complete - Proficy Portal Enterprise Edition Client Pack 10 Users Ver 3.0

IC200MDL650 Input 24VDC POS/NEG logic (4 groups of 8) 32 points

IC646PCMS1C Proficy Change Management Electronic Signature Module 100 Pack

IC647MPS050 Logic Developer PLC Standard 50 Pack with USB Hardware key

IC676PBM442 IP67 Mixed Block - 24 VDC Positive Logic - 4 In/4 Out 2A - Profibus

IC697PWR720RR Replacement Power Supply Adaptor

IC800SSI107S1 7.2 amp 115/230 VAC S2K servo controller for S-series motors

SLC/1746 System 1747-L30C 30 I/O FIXED HARDWARE STYLE

Industrial Computers 6189-RU310 VERSAVIEW CE FIRMWARE UPGRADE MEDIA KIT

Process Control D6190-5.3 BATCHWARE DEMOSTRATION SOFTWARE USER MANUAL

Operator Interface 2711-B5A3L3 PV550 MONO KEY&TOUCH, DH485 & RS232 PRINT

Support 9303-3CS0E31R SUPP REINSTATEMENT CNTRCT FOR 9303-3CS0E31

Support 9371-RSWDI2R SUPT REINSTATEMENT CONTRACT FOR 9371RSWDI2

ControlNet Products 2706-P94C INVIEW MESSAGE DISPLAY

RSI Software Products 9301-2SE2500JPE RSVIEW32 WORKS 100K (JAPANESE)

RSI Software Products 9358-BBKEY30U1R UPGRADE: OUT-SUPT: RSBW BACK-UP KEY 03 TO 30

Motion Control MPL-A4530K-MJ24AA MOTOR,SERVO,8.36 NM,4000RPM,MULTI,230V,BRK,11KG

Motion Control 2090-UXPC-D0930 CABLE,9/9 POS,45 DEG D/STRAIGHT D,30M

CBL-6114 Cable. IBM COMP. To Model 9650, 9 Pin PC COMM. Port

IC641LCN054 HP-UX Host Comm Runtime License

IC800SLMCONKITVL Connector Kit, 3.5 kW to 5 kW S-Series Servo Motors without Brake

OC647WFLSWF Proficy Workflow - System WF Capable

20AE9P0A0AYNNNC0 PowerFlex 70 AC Drive 9 A at 7.5 Hp 20A

20DD300A0ENNBNANE PowerFlex 700S AC Drive 20D

20P41AE810RA0NNN PowerFlex DC Drive 810 A

2711P-B6C20D8 PV Plus 6 600 Color Key Touch Terminal

280-PWRM35A-M4 ArmorConnect 4 Meter M35 Patchcord

CPM1A-40CDT-D-V1 40点主机 DC24V 24点入，16点晶体管输出.漏型

1492-MD6X9 IEC 6 x 9 mm Marker Card

1494V-M70 Variable Depth Circuit Breaker Operator