国产三级伦理在线,久久久久黄久久免费漫画,成人国产精品日本在线,欧美美最猛性xxxxxx

    1790P-T4R0
    發布者:工控備件  發布時間:2019-08-15 16:02:18  訪問次數:285

    1790P-T4R0現貨 in stock! 歡迎來電咨詢~!

    1790P-T4R0


    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
      ①過程通道故障也就是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。
     、谥T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。

    Siemens 6ES5 982-3UB11 6ES59823UB11 Fast Shipping

    SIEMENS Control Rack 6FC3741-0FB Z_ Genumerik 3G Unit Sinumerik 6FC 3741 OFB

    SIEMENS SINUMERIK 840C/840CE MMC CPU 6FC5110-0DB03-0AA4 NIB

    SIEMENS Simodrive 6SN1123-1AA00-0CA1

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

    SIEMENS SIMODRIVE 6SN1145-1BA01-0BA1SINUMETIK 840D 6FC5247-0AA00-0AA26SN1123

    SIEMENS MOORE 61F 7200-/21 PNEUMATIC TYPE 1/2 BOOSTER RELAY - IN BOX

    Advantech POS-562 REV.A1

    Allen-Bradley 1746-NO4V SLC 500 4-Ch Analog OUTPUT Module

    ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88138

    ADEPT TECH 10330-12350 USPP 1033012350

    (000 no lot) . Telemecanique Altivar 58TX 125HP Drive ATV58HC10N4XZU - SEE PICS

    INDRAMAT CLC-V02.3-C-1 USPP CLCV023C1

    TELEMECANIQUE ATV-56D33-N4U USPP ATV56D33N4U

    EATON CORPORATION SVX050A14A1N1 USPP SVX050A14A1N1

    CUTLER HAMMER 92-00414-02 USPP 920041402

    PFANNENBERG 13310911200 NSFP 13310911200

    MODICON AS-521P-007 USPP AS521P007

    HONEYWELL 51303982-900 USPP 51303982900

    Siemens 6ES5 312-3AB11 6ES53123AB11

    Siemens 6ES5-526-3LF01 USPP 6ES55263LF01

    SIEMENS 6ES5-373-1AA61 USPP 6ES53731AA61

    Siemens 6ES5 306-7A11 I nput Module IM306 3067A11

    Siemens 6ES5475-3AA11 OUTPUT MODULE

    SIEMENS 6GK7343-5FA00-0XE0 CP343-5 ping Worldwide

    Siemens TP27 6AV3627-1QL00-0AX0 6AV36271QL000AX0

    Siemens 6ES5927 3SA11

    LEGEND 8-PORT BASIC RATE INTERFACE 9 BRI MODULE

    Yaskawa 87820-40003 PLC Module 8782040003 NIB

    SIEMENS 6ES7 223-1HF00-0XA0

    Siemens OP37 6AV3637-1LL00-0FX0 Membrane Keypad ping Worldwide

    Reliance 0-49001-5

    Schneider Modicon AS-B805-016 ASB805016 AC Input Module NIB

    Schneider Modicon AS-884A-311 AS884A311

    Schneider Modicon AS-P230-000 USPP ASP230000

    Schneider Modicon AS-B262

    Schneider Modicon AS-8534-000 High/Low Density Connector -

    MODICON TELEMECANIQUE TC2000 COMPACT INDUSTRIAL PC 3515 KPM

    SIEMENS SIMATIC S7 DIGITAL INPUT MODULE 6ES7421-1BL01-0AA0

    Siemens 6ES7 334-0KE00-0AB0 -FS- 6ES73340KE000AB0

    Siemens Simatic PG-615 HandHeld Programmer 6ES56150UA11

    Siemens 9350 9350DC-100-0NZZZA NIB Power Meter Display ION Profibus Access

    SIEMENS Sinumerik MAC 3212 CRT to LCD Replacement Monitor

    SIEMENS 6SN1123-1AB00-0CA2 6SN1 123-1AB00-0CA2 SIMODRIVE 611 Power Module

    SIEMENS SIMODRIVE 6SN1123-1AA00-0HA1

    SIEMENS ENCODER 6FC9320-3KA00

    Advantech PCM-9370

    ALLEN-BRADLEY 2711E-K10C6 PANELVIEW 1000E OPERATOR INTERFACE

    ABB 6214BZ10110G SC BACK UP MEMORY MODULE CONTROLLER

    Acterna CycloneATM IP Optimimizer With CPHY-155-SM INSTALLED

    6AV2181-4MB10-0AX0 Starter Kit SIMATIC HMI Comfort KP1200

    8520-MOP7 ALLEN BRADLEY MONITORS CRT

    SIEMENS 6SE3-226-8DJ40 USPP 6SE32268DJ40

    BAILEY CONTROLS IMASI-23 NSFP IMASI23

    ASEA BROWN BOVERI SAFT-103-CON USPP SAFT103CON

    MODICON 557VIC10200 NSFP 557VIC10200

    1790P-T4R0

    INDRAMAT MDD093A-N-030-N2L-110GB0 USPP MDD093AN030N2L1B

    ASEA BROWN BOVERI GNT0137200R0002 USPP GNT0137200R0002

    TRIAD TR-18-8K-20 USPP TR188K20

    Siemens 6ES5-450-3AA11 NSFP 6ES54503AA11

    SIEMENS 6ES5 700-0LA11 6ES57000LA11

    SIEMENS S5 6ES5 374-1KH215V Flash 256 kByte Memory 16Bit

    Siemens S5 6ES5 955-3LF11 6ES5955 6ES595553LF11

    Siemens 6ES7 972-0BA41-0XA0 6ES7972-0BA41-0XA0

    Siemens S7 6ES7307-1BA00-0AA0

    Siemens 335-37

    Honeywell Interface Module Communicating Thermostat Telephone Access Module

    WARRANTYSERIES A F/W REV 4.2

    Siemens 6DS1730-8AA 6DS17308AA in box, seal opened,

    Siemens LOGO! 24RCL PLC 6ED1 053-1HB00-0BA2

    Omron 3G2A5-RM001-PEV1

    Schneider Modicon AS-M680-008 8K 8 K RAM Memory Module

    Schneider Modicon P800 POWER SUPPLY AS-P800-003

    Schneider Modicon AS-H827-000 USPP ASH827000

    Schneider Modicon GROUPE AS-HDTA-200 NNB

    Schneider Modicon AS-BDEP-218

    Schneider Modicon S201 S202 AS-201P-000 AS-202P-000 Board

    TELEMECANIQUE Magelis HMI XBT-G2330 XBTG2330

    SCHNEIDER Telemecanique Switch XB4 BVB1

    SIEMENS/TEXAS INSTRUMENTS 2 AMP OUTPUT MODULE 505-3716

    Siemens 6AV6 542-0AD15-2AX0 MP270 Simatic Multi Panel

    SIEMENS SINUMERIK 6FC5203-0AF02-0AA0 MembraKeypad

    GE FANUC CCM COMMUNICATIONS MODULE CATIC655CCM500C

    SIEMENS Sinumerik Simodrive Drives Rack 6SC 6101-4A-Z

    SIEMENS SIMODRIVE 6SN1146-1AB00-0BA2SINUMETIK 840D NCU-BOX 6FC52476FC5356 2KH

    SIEMENS 16297-22 LIL BOARD KIT - NIB

    Allen-Bradley Analog Output Module 1778-OFC

    AB, ALLEN BRADLEY AC SERVO ULTRA SERIES 1398-DDM-150 AE

    AC Motor Speed Control VFD - 60 HP - 480 Volt - Three Phase Input

    A06B-0755-B921#C100 FANUC AC SERVO SPINDLE REMANUFACTURED

    75HP 3600 RPM TEFC motor 365TS frame, 460/3/60 Rebuilt

    RELIANCE ELECTRIC VZ3000-DASR-1 USPP VZ3000DASR1

    ALLEN BRADLEY 6151-BBBACDAZABZ USPP 6151BBBACDAZABZ

    ALLEN BRADLEY 2705-P11J1L USPP 2705P11J1L

    INDRAMAT MDD-090C-N-030-N2L-110PB0 NSFP MDD090CN030N2L1A

    YASKAWA ELECTRIC JANCD-SV02B NSFP JANCDSV02B

    WESTINGHOUSE MCG3800F USPP MCG3800F

    ITE SIEMENS HF324J NSFP HF324J

    Siemens 6ES5-247-4UA31/6ES5247-4UA31 POSITION MODXLNT

    SIEMENS 6ES5 377-0AB31 6ES53770AB31

    SIEMENS OP-393 III 6ES5 393-0UA15 6ES5393-0UA15

    Siemens BOARD 6ES5-410-0AA12 6ES5 410 0AA12 6ES54100AA12 SPC5459 SIEMEN

    Siemens 6ES7 151-1BA02-0AB0 6ES71511BA020AB0

    Siemens OP015 6FC5203-0AF03-0AA0 Membrane Keypad

    RELEASE SuperMicro X9SRW-F Motherboard FULL MFR

    Texas Instruments 505-6108 (A/B)

    SUNPAK INTERFACE MODULE MX-1D FOR MINOLTA X-7 XD- XG SERIES LEICA R4-MOT etc.

    Tyan Thunder S2891G2NR Dual Opteron K8SRE DDR400 2xG

    Siemens CPU 221 6ES7 211-0AA22-0XB0 6ES7211-0AA22-0XB0

    Modicon DO-1132-000

    Schneider Modicon /Schneider AS-B875-111/ASB875111

    Schneider Modicon AS-B817-116 SEALED ASB817116 Isolated Input Module

    Schneider Modicon AS-BDEP-215 USPP ASBDEP215

    Schneider Modicon AS-BDAU-202

    Schneider Modicon -AS-516P-008

    Schneider Modicon DEP 218 / AS-BDEP-218 DISCRETE INPUT MODULE

    Schneider Telemecanique Analog PLC Modicon TM2ALM3LT

    Schneider Modicon AS-B817-116 ASB817116 Isolated Input Module

    QLogic SANbox BASE Model 9200 Chassis Switch TL260LL/A

    SIEMENS 6ES5-453-7LA11/6ES5453-7LA11 DIGITAL OUTPUT MODULE XLNT

    SIEMENS 44DA001 SINUMERIK DISPLAY UNIT

    Merlin Communications System Module 61219

    SIEMENS Simodrive 6SN1123-1AA00-0AA1 6SN11231AA000AA1

    SIEMENS SINUMERIK 840DE 6FC5357-0BB11-0AE0 NCU 571.2

    SIEMENS /MOORE 39NIM421BAN APACS NIM MODULE 16194-32/02

    ALLEN-BRADLEY VERSAVIEW 1500P CAT 6181P15NS2KH/B

    Allen Bradley SLC 500 1746-NO41 1746-N041 Analog Output Module

    ABB Robotics PS 90/6-57-P-LSS-4843 AC Servo Motor DanaherMotion 3 HAC 3403

    A06B-0147-B084 FANUC SERVO MOTORS

    0-49011-1 RELIANCE PLC MODULES REMANUFACTURED

    NAMCO ER920-13812 NSPP ER92013812

    ALLEN BRADLEY 1756-L61 FNFP 1756L61

    ALLEN BRADLEY 1336-C010-EAD-SI USPP 1336C010EADSI

    GENERAL ELECTRIC 7VXAS057CD08 USPP 7VXAS057CD08

    STI 70016-1189 NSFP 700161189

    SIEMENS 7SD5111-5CA02-1AA0/EF NSPP 7SD51115CA021AA0

    BARBER COLMAN DYN2-40025-024-0-12 NSFP DYN240025024012

    Siemens 6ES5 945-7UA23 -- 6ES59457UA23

    Siemens Simatic S5 6ES5458-4UC11 6ES54584UC11

    SIEMENS 6ES5-715-0BC50 USPP 6ES57150BC50

    Siemens 6ES5 490-8MB11 Connector Assembly

    SIEMENS 6AV6 545-0AA15-2AX0 TP070 touchscreen glass

    Siemens KTP600 6AV6647-0AD11-3AX0 Touch Glass

    S-4000S-3208 S-1608 = 48x16 Digital Stage I/O

    Telemecanique ATV66D12M2

    SIEMENS LMG-90 PRESSURE TRANSDUCER INTERFACE MODULE XLNT

    Wago 758-876/000-112 WAGO-I/O-IPC-P14 Linux 2.6 codesys visu CANopen master

    Siemens 6SE7038-6GL84-1JA1 6SE7 038-6GL84-1JA1 FreeShip

    Modicon AS-M485-008

    Schneider Modicon AS-B984-100C B984 I/O LOGIC SOLVER

    Schneider Modicon AS-B865-001 8 Channel Register ASB865001 N833

    Schneider Modicon AS-B864-001 USPP ASB864001

    Schneider Modicon AS-P120-000 POWER SUPPLY

    Schneider Modicon CONTROL MODULE AS 884A 21

    Schneider Modicon AS-HDTA-201 Secondary Subrack 5 Slot

    SCHNEIDER MODICON AS-BDAP-210 TSX OUTPUT MODULE

    SIEMENS 6ES5 463-4UA12 ANALOG INPUT MODULE

    Rigol Function/Arbitrary Waveform Generators DG3121A

    SIEMENS A5E00159514 PANEL TOUCH SCREEN

    SIEMENS SINUMERIK FM-NC/810D/DE/840D/DE 6FC5203-0AB11-0AA2

    Reliance Communications Mem. Module Part 57413

    SIEMENS Drive 6SN1123-1AA00-0BA1

    SIEMENS SINUMERIK 840D/DE NCU 573.5 6FC5357-0BB35-0AE0 NIB

    SIEMENS 6FC4600-1AS01 Free Ship

    AllenBradley2711-K10G16/C2711K10G16Panelview

    Allen Bradley Versa View 1500H 6189-RDT15CA 2711P-RN6 6182-15TEH6B

    ABB IRB 1400 SER 14-20056 ROBOT S4C PLUS CNTRLR TEACH PENDANT W/ MATCHED SET

    Advanced Energy VHF 2060 RF GENERATOR AMAT 0920-00056

    (O2-1) 1 BLH ELECTRONIC C3P1 LOAD TRANSDUCER O2-1

    MEASUREX 09806701 NSPP 09806701

    ALLEN BRADLEY 1336F-B050-AA-EN-HASP-L6 USPP 1336FB050AAENHA1

    GE FANUC IC800SSI216D2 USPP IC800SSI216D2

    FANUC A16B-2100-0110 USPP A16B21000110

    SIEMENS 6DS1220-8AA USPP 6DS12208AA

    RELIANCE ELECTRIC 57C-330-B USPP 57C330B

    SIEMENS 6SC-6100-0NA80 NSFP 6SC61000NA80

    Siemens 6ES5 470-7LB12 6ES54707LB12

    Siemens 6ES5-950-1AB61/6ES5950-1AB61 POWER SUPPLY NNB

    SIEMENS 6ES5-441-5AA12 USPP 6ES54415AA12

    Siemens 6ES5 955-3LC41 6ES59553LC41 Power Supply Module

    Siemens S5 6ES5-452-8MR11

    SIEMENS C98043-A1601-L1 #2

    Siemens 6ES5 465-3AA13 -- 6ES54653AA13

    Square D 8030 CCK-212

    OMRON XW2B-50G5 INTERFACE MODULE

    WS-C2960-48TC-S CISCO CATALYST 2960-48TC SWITCH-1YEAR - GRADE A Fast Shi

    SIEMENS 6ES7-322-1HH01-0AA0 6ES7322-1HH01-0AA0 FreeShip

    SIEMENS SINUMERIK 6FC5203-0AF02-0AA0 Membrane Keypad

    Saftronics CIMR-G3U47P5

    Schneider Modicon ASP120000Power Sply AS-P120-000

    Schneider Modicon AS-B552-001 NSFP ASB552001

    Schneider Modicon AS-W801-006 USPP ASW801006

    Schneider Modicon AS-BDEP-218 Input Module

    Schneider Modicon AS-B827-032 ASB827032 32 Point 24VDC Input

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

    Siemens Digital Input Module 6ES5-434-7LA11

    SFP-GE-Z 1000BASE-ZX GIGABIT ETHERNET SFP DOM FOR CISCO

    Siemens OP-393 II 6ES5 393-0UA12 OP393 6ES5393-0UA12

    SIEMENS Sinumerik 6FC5111-0CA01-0AA0 DMP 16 Output E-Modul Compact -

    STANDARD COMMUNICATIONS CELLULAR MODULE CMM8700-511

    SIEMENS 6SN1-122-0BA12-0AA0 USPP 6SN11220BA120AA0

    SIEMENS Circuit Board 6SC6140-0FE01 SIMODRIVE

    SIEMENS 6FC5-247-0AA34-0AA1 NSFP 6FC52470AA340AA1

    Advantech SOM-4475 SOM-4475F

    ALLEN-BRADLEY 160-P1 PROGRAMMING TERMINAL KEYPAD ""

    ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88240

    ADEPT TECH 10332-12350 USPP 1033212350

    (12) Dongan Transformers ES-10210.198, 1.5 kVA, 460vPri, 230vSec, 1 Phase

    INDRAMAT DDS02.2-W200-B USPP DDS022W200B

    TELEMECANIQUE TSX-P67425 USPP TSXP67425

    EPSON E2C351S-UL USPP e2c351sul

    CUTLER HAMMER D520FC1 NSFP D520FC1

    RELIANCE ELECTRIC 0-51864-2 NSPP 0518642

    MODICON AS-P530-OMA USPP ASP530OMA

    INDRAMAT TRANS01-6/1-109-488-4800 USPP TRANS01611094884

    Siemens 6ES5 318-8MB12 6ES53188MB12

    Siemens 6ES5-535-3MA12 USPP 6ES55353MA12

    SIEMENS 6ES5-374-2FH21 USPP 6ES53742FH21

    Siemens 6ES5 373 1AA41 6ES5 373-1AA41 6ES53731AA41 Memory Module

    Siemens 6GK1-543-0AA02/6GK15430AA02

    Siemens 6RA70 BOP Operator Panel

    SIEMENS TP270-10 6AV6545-0CC10-0AX0 Touch Glass

    Siemens 6ES5951-7LD12

    LOT 6 CISCO VWIC-2MFT-T1 2-PORT MULTIFLEX WAN VOICE DATA INTERFACE CARD MODULE

     

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  
主站蜘蛛池模板: 增城市| 临夏县| 元谋县| 响水县| 丹巴县| 山阳县| 河北区| 宣汉县| 独山县| 杭州市| 田东县| 苍山县| 岳阳县| 九台市| 漾濞| 商河县| 高密市| 桓台县| 曲水县| 和田市| 江津市| 石棉县| 新疆| 东阳市| 龙胜| 营山县| 海晏县| 凤山县| 逊克县| 岳池县| 大石桥市| 昌乐县| 镇安县| 鲁山县| 舞阳县| 潍坊市| 河津市| 佛教| 洛阳市| 南召县| 蒲江县|