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TSXFPCP100,

TSXFPCP100

作为火电厂安全经济运行主导因素的热控自动化设备DCS系统，近年来得到了普遍应用，为火电厂机组安全、稳定的运行起到了积极的作用。但是，DCS系统的安全性和可靠性还有待提高，在运行过程中经常会出现这样或那样的故障，这些故障的出现，导致了发电机组的非计划停运，给发电企业造成不应有的损失。
　　1、DCS系统常见的故障
　　随着工业生产自动化的不断兴起、过程控制要求的日益复杂，一种综合控制系统――DCS系统应用而生了。由于目前各火电厂对DCS系统的应用水平的限制，系统在运行过程中难免会出现故障。常见的DCS系统故障有：电源系统故障、硬件(模件)故障、系统软件故障和通信网络系统故障。
　　1.1电源系统故障
　　电源故障是DCS系统的致命故障，一旦电源出现故障，不仅整个系统会停止运行，而且还会导致机组的跳闸，造成非计划停运。
　　1.1.1电源系统出现故障的主要原因
　　电源方面的问题比较多，一是备用电源不能自投，虽采用UPS和APS双路互为备用的供电方式，但在转换时也会出现瞬间失电，导致机组跳闸;二是保险配置不合理及DPU电源内部故障等造成电源中断，导致系统运行的停止;三是稳压电源波动引起保护误动及接插头接触不良导致稳压电源无输出;四是有的系统整个机柜通过一路保险供所有输入信号或一路电源外接负载很大，导致模件的损坏;五是系统电源未采用UPS供电，冗余备用就更无从谈起。
　　1.1.2电源系统故障应采取的防范措施
　　要保证DCS系统的安全、稳定，首先要具备合理的电源布置，其次要选用高质量的电源模块，并要保证较高的冗余率。再次是注意观察电源的输出电压，防止出现波动。第四是对电源实行寿命管理，该更换的时候必须更换，绝对不允许等到电源出现了故障的时候才更换。
　　1.2硬件(模件)故障
　　DCS系统的硬件(模件)卡件可分为处理器模件、I/O模件及通讯模件三大部分，这三大模件的功能各自不同，常见的故障部位为过程通道和人机接口。
　　1.2.1硬件(模件)出现故障的主要原因
　　①过程通道故障也就是I/O卡件故障。引起I/O卡件发生故障的第一方面的原因是卡件因长时间工作而出现老化和损坏，这种工作的发生，一般是隐藏性的，只有参数出现异常，系统才会报警;第二个方面是连接线松动导致部分I/O模件与主机的通信中断，在这种情况下，系统会马上做出反应，出现报警;第三个方面是外界强电信号窜入形成干扰而导致通道故障的发生。
　　②诸如球标和控制操作出现失灵和实效以及操作员站出现死机、键盘和打印机出现工作不正常的现象都属于人机接口故障。
　　球标操作失灵的原因有装置因长时间工作发生老化或者被浮尘或油腻污染，致使触点不能实现自行通断，也或是电缆插头接触不良造成与主机的通信断路。
　　控制操作实效的主要原因是因球标的操作信号不能改变过程通道的状态，有三种可能：其一可能是过程通道硬件发生故障;其二可能是操作员站所用软件的缺陷;其三是设备超负荷或者过多地打开窗口，导致不响应。
　　操作员站死机的原因基本与控制操作失效的原因相同。
　　键盘工作不正常的原因有：键盘组态出现错误、接触不良、连接电缆松动或者在启动主机时误动了键盘，造成启动缺失。
　　打印机出现工作不正常的原因：或者是配置不合理，或者是因对打印机实施屏蔽而造成的。

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~！

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ControlNet Products 1734-TBQ10 10 MODULE BASES W/ REMOVABLE IEC SCREW TERMINALS

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RSI Software Products 9301-2SE3100FRE RSVIEW32 RUNTIME 150 (FRENCH)

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RSI Software Products 9399-PLC5UM PLC 5, 6200 SERIES CONFIG. + MAINT. USER MANUAL

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IC646NSL999 CIMPLICITY SQL - Internet Connector

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ST-2328 STXi output module 8 points, Positive Logic, 24VDC/ 0.5A

20BC085A3AYNADC0 PowerFlex 700 AC Drive 85 A 45 kW 20B

20F14NC140AA0NNNNN PowerFlex 753 AC Packaged Drive

22A-A8P0N114 PowerFlex 4- 1.5 kW (2 HP) AC Drive

TSXMFPP002M Quantum Unity V2 PCMCIA存储扩展卡，程序存储2x1024K（Flash）

284-PWRM22A-M10 ArmorConnect 3PH Pwr Media Shld Mtr Cbl

CJ1M-CPU13 CPU单元I/O点数640，20K程序容量，最多一个扩展机架。

1492-RCDA4D25 Residual Current Device 25 A

6ES7195-7HC00-0XA0 安装一个 80mm 宽的 I/O 模板，热插拔

变送器 3RS11 42-2GD80

1497-K-M4-0-N Control Circuit Transber

1606-XLE480EP-D XLE 20 Amp Power Supply

1763-NC01 MicroLogix Cable

188-K3D320-N Miniature Circuit Breaker 32 A

194L-HE4E-175 194L Control and Load Switch Actuator

2090-CPBM7DF-08AA90 MP-Series 90m Power and Brake Cable

2090-XXNPMF-16S01 Kinetix Drives 1m Standard Cable

BC647TRT935 "CIMPLICITY HMI Server 35,000 I/O Runtime System with Proficy GlobalCare"

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IC200NAL211-24 Qty 24, 10 point PLC, (6) 24VDC in, (4) Relay Out, (1) Analog Input (0 -10VDC, 8 bit), 24VDC Power Supply

IC646PPA374 PA-30 with 374 CPU - AC

IC647NAP000 Applicom Communications

IC690ACC900 RS-232 TO RS-485/422 Convertor Unit

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IC800SSI420RP2 7.2 amp 480 VAC Profibus S2K servo controller for MTR series motors

SLC/1746 System 1747-SDN DEVICENET SCANNER MODULE

Industrial Computers 6181P-15TP2KH VERSAVIEW INTEGRATED DISPLAY COMPUTER 15-INCH

Application-specific products 9358-PBEPB60ENE RSBIZWARE BATCH & EPROCEDURE BNDLE PLX 60 UNITS

Operator Interface 2711-K5A16L1 PV550 MONOCHROME KEY, DF1 & RS232 PRINT

Support 6171-PCSS SUPT RENEWAL CONTRACT FOR 6171PCS

Support 9393-RSTLX5R SUPT REINSTATEMENT CONTRACT FOR 9393RSLTX5

ControlNet Products 2711P-K10C15D1 PV PLUS 1000, KEYPAD, CNET, DC PS, STD MEM

RSI Software Products 9301-2SE2500U5 UPGRADE: IN-SUPT: RSVIEW32 WORKS 5000 TO 100K

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IC641SWC313 Logicmaster 90-30 TCP/IP-Ethernet, Cable & CDROM

IC800SSI107D2 7.2 Amp S2K Series Servo Amplifier/Controller with DeviceNet, 115/230 VAC

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20DE125A0ENNANANE PowerFlex 700S AC Drive 20D

2198-BARCON-100DC200 Kinetix 5700 100mm DC Bus Bar

2711P-K15C4A9 PanelView Plus Terminal

280-PWRM35D-M15 ArmorConnect 3-PH Power Media trnk cable

CPM2A-60CDR-D 60点主机 DC24V 36点入24点继电器输出 自带RS232C口

1492-MS6X12 IEC 6 x 12 mm Marker Card

1495-N74 1-1/2 in. Hub

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1585J-M4UBJM-3 RJ45 Ethernet Media

1756-PA72 ControlLogix AC Power Supply

188-K1C250 Miniature Circuit Breaker 25 A

194E-KA32E-P11-PE 194E Load switch

2090-CFBM7DF-CEAF03 Kinetix 3m Flexible Cable

2090-UXNBMP-18S09 MP-Series 9 m Length Brake Cable

BC646SPI365 Solution Provider Annual license w/Additional iSuite

GC647IFESGCLNTCDV GCC iFIX Optn: ESig & ERec iClient Dev

IC200ALG331 Analog output 16 bit voltage/current 4 isolated channels

IC646MBT001 Machine Edition Traditional Development Suite

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IC660SLD024 Red Safety Label Kit for IC660BBD024 Genius Blocks

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IC800CBL064 Replaced by cable IC800CBL067

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Industrial Computers 6182H-7KRH4B VVCE 700, KEYPAD, STD MEM, ENET, AC

Process Control 9358-PBBK03ENE RSBIZWARE BATCH FOR PLX BACK-UP KEY 03 UNITS

Operator Interface 2711P-T15C15D2 PV PLUS 1500, TOUCH, CNET, DC PS, EXT MEM

Support 9352-WGG100R SUPT REINSTATEMENT CONTRACT FOR 9352WGG100

Support 9330-CCR SUPT REINSTATEMENT CONTRACT FOR 9330CC

ControlNet Products 1786-CTK CNET RG6 TOOLKIT

RSI Software Products 9301-2SE235ESU1R RSVIEW32 WORKS 150-5K UPGRADE OUT-SUPT (ES)

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IC300TRM016 Spring-clamp style I/O plug, 16-terminal

IC800BPK012 12 Amp Beta Series Amplifier Package

MTR-3T69-G-R-B-M-0RR Servo Motor Metric 24V Brake

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25C-B062N104 PowerFlex 527 15kW (20Hp) AC Drive

280-MTR22-M4 ArmorConnect Motor Cable

FX1N-24MR-001 主机14点入/10点出?继电器输出?

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1494G-EF3N-989 NEMA 1494G Enclosed Disconnect

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1585D-M4HBDM-40 Micro D-Code, QD Style Ethernet Media

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194E-CA16E-P11-PE 194E Load switch

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IC756WDS000E-99 Dataviews Development Suite (All Windows Languages, Custom Editor Tool kit, Custom Datasource Toolkit, 1 yr SAFE), English, Version 9.9

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Distributed I/O 1799-BRKD DIN RAIL BRACKETS WITH SCREWS(2 BRKTS/ 4 SCREWS)

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Support 9325-L2140S SUPT RENEWAL CONTRACT FOR 9325L2140

Support 9358-PBBK30R SUPT REINSTATEMENT CONTRACT FOR 9358PBBK30ENE

Support F1775-S4ASERA FIRMWARE UPGRADE FOR 1775-S4A PLC3 PROCESSOR MODUL

RSI Software Products 1789-L10 SOFTLOGIX5810 CONTROLLER W/2 USABLE CHASSIS SLOTS

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IC752CMO101 Modicon 984 9 pin cable for DataPanel 30/50

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ZA06B-0153-B175#7008 A30/3000 servo motor with brake and 64k serial encoder

20BD8P0A0AYYADD1 PowerFlex 700 AC Drive 8 A 5 Hp 20B

20G14NC302JA0NNNNN PowerFlex 755 AC Packaged Drive

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FRN0.4C1S-4C 1. 2KVA 1.6A 0.4KW 3相AC380V/50Hz/60Hz

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1492-SPM3D160 MCB Supplementary Protector 16 A

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150-SPPB3UR SMC-50 POWER POLE ASSEMBLY 140A

1738-IB8M8 ArmorPoint 8 Point Input Module

1784-PCD1 DeviceNet Comms Cable for 1784-PCD Card

193-KC10 7.2-10.0 A IEC Bibllic Overload Relay

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IC647HSTCCP50M Historian Client Connection Pack 50 Users (M4 Key)

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IC693MSC301RR Series 90-30 Demonstration Case

IC756LDV010E-98 DV Draw Development on Inb/Linux RedHat Op Sys, English, Version 9.8

MicroLogix 1000/1761 System 1761-L10BWA 10 I/O MICROLOGIX 1000

PLC-5/1771 System 1771-OWN SELECTABLE CONTACT OUTPUT MODULE 32 POINT

Distributed I/O 1791-N4C2 BLOCK I/O, 120V AC, 6 POINT ANALOG MODULE

Communications 1786-FSB500 200 MICRON BULK CABLE 500 METERS (1640 FT)

Operator Interface 9399-RSVADSGR RSVIEW32 ACTIVE DISPLAY SYS GETTING RESULTS GUIDE

Support 9356-PRO2350R SUPT REINSTATEMENT CONTRACT FOR 9356PRO2350

Support 9324-RL0700NXS SUPT RENEWAL CONTRACT FOR 9324RL0700NXENE

EtherNet/IP Products 9351-AIXRT INTERCHANGE FOR AIX RUNTIME

RSI Software Products 9301-2SE3500FRE RSVIEW32 RUNTIME 100K (FRENCH)

RSI Software Products 9356-PRO2500U2 UPGRADE: IN-SUPT: RSSQL STD.300 TO PROF.70000 TAG

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IC693PWR321 Power Supply, 120/240 Vac, 125 Vdc, Standard

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285-BRCF25-M6 ArmorConnect Brake and Motor Cable

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1492-SPM2B005 MCB Supplementary Protector 0.5 A

变频器选件 6SE6 400-1PB00-0AA0 Profibus 通讯模块

电机启动器 3VU16400MM00

150-CC25 SMC-3 Accessory

1715-IB16D 1715 16 Point Digital Input Module

1771-IXHR 1771 8 Point Input Module

193-EC4EE E3 Plus 18-90 A Current Relay

198-WT1 ModCenter IEC Wiring Kit

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2094-BL50S Kinetix Line Interface Module

DEMOCD00013 iWorkinstruction DEMO CD

GFK-0772 PCM C Function Library Reference Manual

IC210CBL002 PDA to Durus Controllers Transfer Cable

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IC647PPSOCF Proficy Process Systems Operator Console with iFIX

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Support 9302-BLDS SUPT RENEWAL CONTRACT FOR 9302BLD

Support 9381-PP250KENR SUPPORT REINSTATEMENT CONTRACT FOR 9381PP250KEN

DeviceNet Products 1791D-0B16PX 24 VDC BLOCK I/O EXPANSION, 16 OUT SOURCE, RTB

RSI Software Products 9301-2SE3350FRU1 RSVIEW32 RUNTIME 150-5K UPGRADE IN-SUPT (FR)

RSI Software Products 9358-PBVNT01ENE RSBATCH NT FOR PLX BATCH VIEW ADDITIONAL CLIENTS

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QDA-EDT-SITE QuickDesigner Site License

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22A-B2P3N104 PowerFlex 4- 0.4 kW (0.5 HP) AC Drive

140CPS21100C Quantum 电源, 24 VDC, 独立, 3A, CC

284D-FHD2P3Z-10-CR DeviceNet Variable Frequency Drive

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1764-RPLTB1 MicroLogix Replacement Part

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IC646TBLCLT010 Proficy Troubleshooter for Inbligent Historian Standard, Enterprise and Corporate Clients Access 10 Users

IC647NDF000 CIMPLICITY HMI AB DF1 COMM Driver

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