<tr id="stl47"><source id="stl47"></source></tr>

<form id="stl47"><span id="stl47"><track id="stl47"></track></span></form>
<wbr id="stl47"></wbr>
    <form id="stl47"></form>
      <sub id="stl47"></sub>
        <tr id="stl47"></tr>
      1. <form id="stl47"></form>
        <form id="stl47"><th id="stl47"><noscript id="stl47"></noscript></th></form>

          <sub id="stl47"></sub><table id="stl47"><th id="stl47"><track id="stl47"></track></th></table>
            IC200UEX726
            發布者:工控備件  發布時間:2019-08-23 09:32:39  訪問次數:135

            IC200UEX726現貨 in stock! 歡迎來電咨詢~!!

            IC200UEX726


            作為火電廠安全經濟運行主導因素的熱控自動化設備DCS系統,近年來得到了普遍應用,為火電廠機組安全、穩定的運行起到了積極的作用。但是,DCS系統的安全性和可靠性還有待提高,在運行過程中經常會出現這樣或那樣的故障,這些故障的出現,導致了發電機組的非計劃停運,給發電企業造成不應有的損失。
              1、DCS系統常見的故障
              隨著工業生產自動化的不斷興起、過程控制要求的日益復雜,一種綜合控制系統――DCS系統應用而生了。由于目前各火電廠對DCS系統的應用水平的限制,系統在運行過程中難免會出現故障。常見的DCS系統故障有:電源系統故障、硬件(模件)故障、系統軟件故障和通信網絡系統故障。
              1.1電源系統故障
              電源故障是DCS系統的致命故障,一旦電源出現故障,不僅整個系統會停止運行,而且還會導致機組的跳閘,造成非計劃停運。
              1.1.1電源系統出現故障的主要原因
              電源方面的問題比較多,一是備用電源不能自投,雖采用UPS和APS雙路互為備用的供電方式,但在轉換時也會出現瞬間失電,導致機組跳閘;二是保險配置不合理及DPU電源內部故障等造成電源中斷,導致系統運行的停止;三是穩壓電源波動引起保護誤動及接插頭接觸不良導致穩壓電源無輸出;四是有的系統整個機柜通過一路保險供所有輸入信號或一路電源外接負載很大,導致模件的損壞;五是系統電源未采用UPS供電,冗余備用就更無從談起。
              1.1.2電源系統故障應采取的防范措施
              要保證DCS系統的安全、穩定,首先要具備合理的電源布置,其次要選用高質量的電源模塊,并要保證較高的冗余率。再次是注意觀察電源的輸出電壓,防止出現波動。第四是對電源實行壽命管理,該更換的時候必須更換,絕對不允許等到電源出現了故障的時候才更換。
              1.2硬件(模件)故障
              DCS系統的硬件(模件)卡件可分為處理器模件、I/O模件及通訊模件三大部分,這三大模件的功能各自不同,常見的故障部位為過程通道和人機接口。
              1.2.1硬件(模件)出現故障的主要原因
             、龠^程通道故障也就是I/O卡件故障。引起I/O卡件發生故障的第一方面的原因是卡件因長時間工作而出現老化和損壞,這種工作的發生,一般是隱藏性的,只有參數出現異常,系統才會報警;第二個方面是連接線松動導致部分I/O模件與主機的通信中斷,在這種情況下,系統會馬上做出反應,出現報警;第三個方面是外界強電信號竄入形成干擾而導致通道故障的發生。
              ②諸如球標和控制操作出現失靈和實效以及操作員站出現死機、鍵盤和打印機出現工作不正常的現象都屬于人機接口故障。
              球標操作失靈的原因有裝置因長時間工作發生老化或者被浮塵或油膩污染,致使觸點不能實現自行通斷,也或是電纜插頭接觸不良造成與主機的通信斷路。
              控制操作實效的主要原因是因球標的操作信號不能改變過程通道的狀態,有三種可能:其一可能是過程通道硬件發生故障;其二可能是操作員站所用軟件的缺陷;其三是設備超負荷或者過多地打開窗口,導致不響應。
              操作員站死機的原因基本與控制操作失效的原因相同。
              鍵盤工作不正常的原因有:鍵盤組態出現錯誤、接觸不良、連接電纜松動或者在啟動主機時誤動了鍵盤,造成啟動缺失。
              打印機出現工作不正常的原因:或者是配置不合理,或者是因對打印機實施屏蔽而造成的。

            PEPPERL & FUCHS EDM120-SSI NSFP EDM120SSI

            INDRAMAT HDS03.2-W075N-H3 NSPP HDS032W075NH3

            SIEMENS 6DD1-641-0AC0 NSPP 6DD16410AC0

            CONE DRIVE SHU25-1 NSPP SHU251

            Siemens 6ES5-308-3UB11 USPP 6ES53083UB11

            Siemens 6ES5-900-7FC11/6ES5900-7FC11 CPU MODULE XLNT

            SIEMENS 6ES5-315-8MA11 NSFP 6ES53158MA11

            SIEMENS Westinghouse NL-2021 6ES5 16 Point Output Modul

            Siemens 6ES5 955-3LC41 Power Supplywith Warranty 6ES59553LC41

            Siemens S5 6ES5-464-8ME11

            SIEMENS c98043-a1602-L1

            Siemens 6ES5 464-8ME11 -FS- 6ES54648ME11

            Square D 8030 CIM-151

            ON Q Home 8 Port Network Interface Module 363486-01

            WS-C2960-24TC-S CISCO 2960-24TC SWITCH- W/1YR - WSC296024TCS Fast

            Siemens 6ES7331-7KB02-0AB0 6ES7 331-7KB02-0AB0

            SIEMENS SINUMERIK 6FC5203-0AF02-0AA1 Membrane Keypad

            Samsung LT133X2-154

            Schneider Modicon AS-MEEP-000 MEMORY MODULE ASMEEP000

            Schneider Modicon AS-B553-000 USPP ASB553000

            Schneider Modicon AS-W801-012 NSFP ASW801012

            Schneider Modicon AS-BDEP-220 ASBDEP220 Input Module

            Schneider Modicon AS-B827-032 INPUT MODULE 32 POINT 24VDC 5201

            MODICON AEG PANELMATE PLUS OPERATOR INTERFACE MM-PM22-200 PARTS OR REPAIR

            Siemens Digital Input Module 6ES5431-7LA11

            SFP-GE-L GENUINE CISCO 1000BASE-LX/LH SFP DOM

            Siemens OP27 6AV3627-1JK00-0AX0

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

            STANDARD COMMUNICATIONS CELLULAR MODULE CMM8600-997

            SIEMENS 6SN1123-1AA00-0AA0 Simodrive LT-Module INT.15A SLA

            SIEMENS C98043-A1304-L 22-06 Simodrive Drive

            SIEMENS 6FC5247-0AA21-0AA0 Rotary Switch - 810D/840

            Advantech TPC-1260TE

            ALLEN-BRADLEY 160-P1 PROGRAMMING TERMINAL KEYPAD ""

            ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88249

            ADEPT TECH 10332-22000 USPP 1033222000

            (13) SPIRENT ADTECH AX/4000 WITH (132) MODULES

            INDRAMAT DDS2.1-W/050-D USPP DDS21W050D

            TELEMECANIQUE TSX-P87410 USPP TSXP87410

            ESC S-112-0000 USPP S1120000

            CUTLER HAMMER D7DBA15STA1XXX USPP D7DBA15STA1XXX

            RELIANCE ELECTRIC 0-52002-1 NSFP 0520021

            MODICON AS-S908-120 NSFP ASS908120

            INTECOLOR E20FFA-200 USPP E20FFA200

            Siemens 6ES5 318-8MB13 6ES53188MB13

            Siemens 6ES5544-3UA11 CP544

            SIEMENS 6ES5374-2KK21 6ES5 374-2KK21S5 MC374 EPROM Memory Card 1MB

            Siemens 6ES5 374-0BA11 Memory Submodule 23512

            Siemens 95 6ES5 470-8MA12 ANALOG OUTPUT MODULE

            Siemens 6RA70 C98043-A7002-L1 Power Board

            SIEMENS TP270-10 6AV6545-0CC10-0AX0 Touch Glass , ping Worldwide

            Siemens 6ES5955-3LC41

            Lucent 106005242 116A2 Isolator Interface Unit Module

            Yamaha MOTIF Rack ES Rack Sound Module

            Siemens 6ES7 223-1PL22-0XA0 6ES7223-1PL22-0XA0 NIB Seal Opened

            SIEMENS OP7 6AV3607-1JC00-0AX1 Membrane Keypad ping Worldwide

            IC200UEX726

            Reliance 0-51817

            Schneider Modicon AS-B801-000 Slot Cover 800 Series

            Schneider Modicon AS-9507-000 PROGRAMMABLE CONTROLLER AS9507000

            Schneider Modicon AS-P421-012 USPP ASP421012

            Schneider Modicon AS-B550-001 USPP ASB550001

            Schneider Modicon AS-884A-311 Processor Module AS884A311 UGC

            Modicon Square D XBT P022110 XBTP022110 Oper Interface

            SIEMENS SIMATIC S5 INPUT MODULE 6ES5 430-7LA12 6ES5430

            Siemens 6ES7 331-7TF00-0AB0 -FS- 6ES73317TF000AB0

            Siemens Simatic Output Module 505-4508 8 pts in box

            SIEMENS Sinumerik 880 CRT to LCD Upgrade Kit

            SIEMENS Sinumerik NCU 6FC5357-0BA33-0AE0

            SIEMENS 6SN1118-0NH01-0AA1

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

            SIEMENS CONTROLLER CARD 6FC5357-0BB11-0AE1

            Advantech SOM-4475 SOM-4475F

            ALLEN-BRADLEY 2711-B5A2 Panelview 550 Series F ! WOW !

            ABB AC Drive VFD ACS800-U1-0060-5+D150 60 hp 50hp 3ph 380-500v 79A

            Acterna JDSU TTC 2000 TestPad DS1 DS3 OC-3 PRI FT1 VT-100 DDS T-Berd

            6ES7147-1AA11-0XB0 Brand , Factory Sealed,

            8591C Agilent opt 041/ 107/ installed with 85721A Spectrum Analyzer for CATV

            SIEMENS 6SE7-031-8TF50-1AA0 USPP 6SE70318TF501AA0

            BAILEY CONTROLS P-HC-BRC-40000000 USPP PHCBRC40000000

            ATLAS COPCO D302-DS7 NSPP D302DS7

            MODICON AS-584A-330 USPP AS584A330

            INDRAMAT TRANS-01/6-115 USPP TRANS016115

            BANNER ENGINEERING MSXLHDR7212Y NSPP MSXLHDR7212Y

            WINTRISS MACHINE CONTROL 3LC48-R USPP 3LC48R

            Siemens 6ES5-451-7LA12 NSFP 6ES54517LA12

            SIEMENS 6ES5 712-8AF00 6ES57128AF00

            SIEMENS S5 6ES5 441-4UA12 6ES54414UA12

            Siemens S5 INTERFACE MODULE ET200U 6ES5-318-8MB13 6ES5318-8MB13

            Siemens 6ES7132-4BD01-0AA0 w/ 6ES7193-4CA40-0AA0

            Siemens S7-200 EM231 RTD 6ES7231-7PB22-0XA0 EM 231 ping Worldwide

            Siemens 3UA5000-1C

            HORIBA STEC -- CNL-06A -- Computer Interface Module RGA Residual Gas Analyzer

            Weidmuller Interface Terminal Block Module RD50 VERY NICE Warranty

            Siemens 6ED1055-1FB00-0BA1 ping

            Siemens LOGO! 6EP1 322-1SH41 6EP1322-1SH41

            Omron 3G3MV-A2001

            Schneider Modicon AS-J810-000 MODULE INTERFACE S901 RIO 1POINT

            Schneider Modicon GOULD/ AS-P800-003 POWER SUPPLY ASP800003

            Schneider Modicon AS-H827-209 NSFP ASH827209

            Schneider Modicon MODICON/ AS-B552-000 OUTPUT MODULE XLNT

            Schneider Modicon AS-H827-003

            Schneider Modicon Ser 984 PLC Rack Chasis Housing AS-H827-209

            Telemecanique Time Off Delay Block LA2 DT2 0,1-30s

            Schneider TELEMECANIQUE TSXDSZ08T2

            SIEMENS TI305-20T-1 SIMATIC TI OUTPUT MODULE TI-305-20T-1 TI30520T1 NIB

            Siemens 6AV3607-1JC30-0AX1 OP7 6AV36071JC300AX1 Fast Shipping

            SIEMENS Sinumerik 6FX1112-0AA01 E Stand D & 01

            FIKE INTELLA-SCAN 10-2101 ANALOG COMMUNICATION MODULE

            SIEMENS SIMODRIVE REACTOR 16KW 6SN1111-0AA00-0BA1 NIB

            SIEMENS SIMODRIVE 6SN1145-1BA02-0CA1SINUMETIK 840D NCU-BOX 6FC52476FC53576S

            SIEMENS Moore 15945-11-5 BBF Board

            Allen-Bradley AB Panelview 1000 Cat 2711-K10C1

            Abacus PCG-3000B/F

            AC TECH VARIABLE SPEED AC MOTOR DRIVE

            A06B-1843-B141#0P4A FANUC AC SERVO SPINDLE

            8 Tylan FC-261 N2, H2, O2

            ROFIN SINAR 120100366 NSPP 120100366

            ALLEN BRADLEY 6180-DIIEHLDRECZ USPP 6180DIIEHLDRECZ

            ALLEN BRADLEY 2711-KC1 USPP 2711KC1

            INDRAMAT TDM-1.2-50-300-W1-115 NSPP TDM1250300W1115

            YOKOGAWA DR241-02-33-1W/C2/H1/D2 USPP DR24102331WC2H1D

            XYCOM 9465-0164141016006 USPP 9465016414101600

            LANDIS & GYR CMC-0001-1 USPP CMC00011

            Siemens 6ES5-300-3AB11 NSFP 6ES53003AB11

            SIEMENS 6ES5 420-4UA12 -FS- 6ES54204UA12

            SIEMENS S5 6ES5 102-8MA02 CPU102 Processor

            Siemens CPU 6ES5 942-7UA12

            Siemens 6ES7 212-1BA10-0XB0 6ES7212-1BA10-0XB0 CPU 212

            SIEMENS OP25 OP25/A 6AV3 525-1EA01-0AX0 Membrane Keypad

            RELEASE SuperMicro X9DRT-HF MB FULL MFR

            Texas Instruments 555-1103

            TEKTRONIX 650-4131-00 EXPANSION INTERFACE MODULE TLA7XM

            TV One C2-8260 Corio2 DVI-U/3G/HD/SD-SDIAudio Switcher

            Siemens DCS Module 6DR2803-8C

            Modicon MA-PMGS-000

            Schneider Modicon TSX DISCRETE INTPUT MODULE DEP218/AS-BDEP-218

            Schneider Modicon ASB875101 TESTED Analog INPUT Module AS-B875-101

            Schneider Modicon AS-BDEP-296 NSFP ASBDEP296

            Schneider Modicon ASBDEP220 Guaranteed Discreet Input AS-BDEP-220

            Schneider Modicon -AS-884A-211

            Schneider Modicon DR-1005-000 Servo Drive 5A AS-899A

            SCHNEIDER Telemecanique LED XB2BVB4LC DC24V

            SCHNEIDER DISCRETE INPUT MODULE TSXEEF08D2

            PWR-GSR8-AC CISCO 12008 GSR REDUNDANT AC SUPPLY

            SIEMENS 6ES5451-4UA14 DIGITAL OUTPUT MODULE NIB-FS

            SIEMENS 6DD1610-0AG1 SIMADYN D MEMORY MODULE

            MERCEDES BENZ COMMUNICATION MODULE A 220 820 62 85

            SIEMENS SIMODRIVE 6SN1123-1AA01-0FA0

            SIEMENS SINUMERIK 840D 6FC5210-0DA00-1AA16FC5203-0AB12-0AA1 MMC-100 HMI

            SIEMENS /MOORE 16289-200 6/SIX SLOT MODULE RACK XLNT

            ALLEN-BRADLEY SLC 500 PLC 1747-ASB ADAPTER WITH INPUT /OUTPUT MODULES

            Allen Bradley Safety Relay 700-ZBR100AZ1 700ZBR100AZ1

            ABB S4 Teach Pendant 3HAB5386

            A06B-0147-B675 FANUC SERVO MOTORS REMANUFACTURED

            0-57413-E

            OMRON ITNCEIX01DRM USPP ITNCEIX01DRM

            ALLEN BRADLEY 1756-M08SEG NSFP 1756M08SEG

            ALLEN BRADLEY 1336-QOUT-SP12A NSFP 1336QOUTSP12A

            GENERAL ELECTRIC DS200IIBDG1AEA USPP DS200IIBDG1AEA

            TAVIS CORPORATION 10347-1 USPP 103471

            SQUARE D 3020-CM2350 USPP 3020CM2350

            COMPUMOTOR 2100-2-CL5 USPP 21002CL5

            Siemens 6ES5 951-7LB14 6ES59517LB14

            Siemens SIMATIC S5-110 6ES5 311-7AA11 6ES53117AA11

            SIEMENS 6ES5-733-6BD20 USPP 6ES57336BD20

            Siemens 6ES5 497-4UB31 NSFP 6ES54974UB31

            SIEMENS 6AV6-545-0AG10-0AX0 MP270B-10" Touch Glass

            Siemens LOGO 24RC 6ED1 052-1HB00-0BA1

            RSP720-3CXL-GE Cisco Route Switch Processor 720-3CXL Router

            Telemecanique SG3-ABC 1101

            Siemens Simatic 6ES5300-5CA11 6ES5 300-5CA11 IM 300 Interface Module

            Wago 750-671 STEPPER MODULE 24 V / 15 A

            Siemens 6SE7090-0XX84-0FF5 DP Communication Card

            Modicon AS-P190-212

            Schneider Modicon 800 I/O 32PT 115V MODULE AS-B806-032

            Schneider Modicon ASB824016 24 VDC True High Output Module AS-B824-016

            Schneider Modicon AS-B872-200 ANALOG OUTPUT MODULE ASB872200

            Schneider Modicon Memory Module PROM/PC Board PCB Rev C33 AS-521P-008

            Schneider Modicon DEP218/AS-BDEP-218 DISCR. INPUT 16PT

            Schneider Modicon AS-J810-000 REMOTE I/O ADAPTER PROGRAMMABLE CONTROLLER

            Schneider Electric MPCST52NDJ20T Smart 15' Client

            SIEMENS 6ES5 421-8MA12 SIMATIC S5 DIGITAL INPUT MODULE

            Rev 2.01 SuperMicro H8DAE-2 Bulk Pack MB Support Quad / Dual Core CPU

            Siemens 9600 9600DC-1156-BFZA Power Meter Display ION Ethernet Access

            SIEMENS SINUMERIK MAGNETEK 1051-09-100 9 MONOCHROME CRT 579417TA TESTED WARRANT

            ProSoft TECHNOLOGY ControlLogix COMMUNICATIONS MODULE MVI56 MVI56-DFCM

            SIEMENS Filter Module AC Drive 16kW Block 6SN1-111-0AA00-0BA0

            SIEMENS SINUMERIK 810M 6FC3551-1AC-Z

            SIEMENS 6FC3984-3RA SINUMERIK 800 SERIES I/O MODULE

            allenbradley2711-b6c5operatorsinterfacepanelview600

            ALLEN BRADLEY TERMINAL LUG KIT 199-LF1

            ABB IRB 6400 Water Jet Robot 1

            ADVANCED MOTION SB1391-C-R-C-A NSPP SB1391CRCA

            (Q6-2) 1 ALLEN BRADLEY 1336F-BRF200-AN-EN-HAS2-L4E CONTROL MODULE Q6-2

            MICRO MOTION DS300S155 USPP DS300S155

            ALLEN BRADLEY 1336S-B020-AA-EN5-GM1-HA2-L6 NSFP 1336SB020AAEN5GM

            GENERAL ELECTRIC 12SGC21A1A USPP 12SGC21A1A

            FANUC A20B-0007-0330 USPP A20B00070330

            SIEMENS 6ES5-466-3LA11 NSFP 6ES54663LA11

            RELIANCE ELECTRIC 86466-91RB USPP 8646691RB

            SSD DRIVES 545-0690-9-8-1-008-1001-0-13 USPP 5450690981008100

            Siemens 6ES5 482-4UA11 DIGITAL I/O MODULE

            Siemens 6ES5-955-3LC13/6ES5955-3LC13 POWER SUPPLY NNB

            SIEMENS 6ES5-450-8MD11 NSPP 6ES54508MD11

            Siemens 6ES5 301-5AA13 6ES5 301 5AA13/4 MODULE BOXED

            Siemens S5 CPU Module 6ES5-944-7UB21 23543

            SIEMENS C98043-A7001-L1

            Siemens 6ES5 451-7LA11 -- 6ES54517LA11

            Square D 8030 CRM-220

            Samsung DCS KT40D-B10-XAR Serial Interface Module for D

            WOODWARD NETCON 5000 5466-315 REV C ANALOG I/O MODULE

            Siemens 6ES7416-2XN05-0AB0 in Box

            Siemens Stepdrive C+ 6FC5548-0AA02-0AA0

            Schleicher USP 2A U 31507501 622 075

            Schneider Modicon ASHDTA201 Compact Subrack AS-HDTA-201

            Schneider Modicon AS-B558-001 NSFP ASB558001

            Schneider Modicon AS-W907-050 NSFP ASW907050

            Schneider Modicon AS-C484-265

            Schneider Modicon AS-B832-016 Output Module 24VDC TRU LO OUT 16POINT

            MODICON 91-00992-02 1PH 85VA 110/230VOLTS 50/60HZ MONITOR REFURBISHED

            Siemens Analog Input Module 6ES7 331-7TF01=0AB0

            Scientific Atlanta D9708 Broadband Integrated Gateway OC3 SWIF MSYNC cards

            SIEMENS MOORE PRODUCTS 15853-1-8 LINK FACE BOARDNNB

            SIEMENS Sinumerik 6FC5252-4AX21-4AB0 programming

             

          來源:工控備件
          免責聲明:焊材網轉載作品均注明出處,本網未注明出處和轉載的,是出于傳遞更多信息之目的,并不意味 著贊同其觀點或證實其內容的真實性。如轉載作品侵犯作者署名權,或有其他諸如版權、肖像權、知識產權等方面的傷害,并非本網故意為之,在接到相關權利人通知后將立即加以更正。聯系電話:0571-87774297。
          0571-87774297  
          国产www在线观看