国产精品久久久久久久久,四季AV一区二区夜夜嗨,日韩精品无码中文字幕电影,www.五月婷婷.com

資訊詳情
1794-IB16D
發(fā)布者:fzjfx0001  發(fā)布時間:2019-08-14 14:40:50

1794-IB16D現(xiàn)貨 in stock! 歡迎來電咨詢~??!

1794-IB16D


單元機組控制系統(tǒng)一體化的崛起
  隨著一些電廠將電氣發(fā)變組和廠用電系統(tǒng)的控制(ECS)功能納入DCS的SCS控制功能范圍,ETS控制功能改由DCS模件構成,DEH與DCS的軟硬件合二為一,以及一些機組的煙氣濕法脫硫控制直接進入單元機組DCS控制的成功運行,標志著控制系統(tǒng)一體化,在DCS技術的發(fā)展推動下而走向成熟。
  由于一體化減少了信號間的連接接口以及因接口及線路異常帶來的傳遞過程故障,減少了備品備件的品種和數(shù)量,降低了維護的工作量及費用,所以近幾年一體化控制系統(tǒng)在不同容量的新建機組中逐漸得到應用,如浙江華能玉環(huán)電廠4×1000MW機組、臺州電廠2×300MW機組和安徽鳳臺電廠4×600MW機組均全廠采用西屋Ovation系統(tǒng),國華浙能寧海電廠4×600MW機組全廠采用西門子公司的T-XP系統(tǒng),大唐烏沙山電廠4×600MW機組全廠采用I/A系統(tǒng),國華臺山電廠2×1000MW機組采用北京和利時公司系統(tǒng),浙江樂清電廠4×600MW機組全廠采用ABB公司的SYMPHONY系統(tǒng)等。 控制系統(tǒng)一體化的實現(xiàn),是電力行業(yè)DCS應用功能快速發(fā)展的體現(xiàn)。排除人為因素外,控制系統(tǒng)一體化將為越來越多的電廠所采用。
  3)DCS結構變化,應用技術得到快速發(fā)展
  隨著電子技術的發(fā)展,近年來DCS系統(tǒng)在結構上發(fā)生變化。過去強調的是控制功能盡可能分散,由此帶來的是使用過多的控制器和接口間連接。但過多的控制器和接口間連接,不一定能提高系統(tǒng)運行可靠性,相反倒有可能導致故障停機的概率增加。何況單元機組各個控制系統(tǒng)間的信號聯(lián)系千絲萬縷,互相牽連,一對控制器故障就可能導致機組停機,即使沒有直接導致停機,也會影響其它控制器因失去正確的信號而不能正常工作。
  因此隨之控制器功能與容量的成倍增加、更多安全措施(包括采用安全性控制器)、冗余技術的采用(有的DCS的核心部件CPU,采用2×2冗余方式)以及速度與可靠性的提高,目前DCS正在轉向適度集中,將相互聯(lián)系密切的多個控制系統(tǒng)和非常復雜的控制功能集中在一對控制器中,以及上述所說的單元機組采用一體化控制系統(tǒng),正成為DCS應用技術發(fā)展的新方向,這不但減少了故障環(huán)節(jié),還因內部信息交換方便和信息傳遞途徑的減少而提高了可靠性。
  此外,隨著近幾年DCS應用技術的發(fā)展,如采用通用化的硬件平臺,獨立的應用體系,標準化的通訊協(xié)議,PLC控制器額融入,F(xiàn)CS功能的實現(xiàn),一鍵啟動技術的成功應用等,都為DCS增添了新的活力,功能進一步提高,應用范圍更加寬廣。
  4)全廠輔控系統(tǒng)走向集中監(jiān)控
  一個火電廠有10多個輔助車間,國內過去通常都是由PLC和上位機構成各自的網絡,在各車間控制室內單獨控制,因此得配備大量的運行人員。為了提高外圍設備控制水平和勞動生產率,達到減員增效的目的,隨著DCS技術和網絡通訊功能的提高,目前各個輔助車間的控制已趨向適度集中,
  整合成一個輔控網(簡稱BOP 即Balance Of Plant的縮寫)方向發(fā)展,即將相互獨立的各個外圍輔助系統(tǒng),利用計算機及網絡技術進行集成,在全廠IT系統(tǒng)上進行運行狀況監(jiān)控,實現(xiàn)外圍控制少人值班或無人值班。
  近幾年新建工程迅速向這個方向發(fā)展。如國華浙能寧海電廠一期工程(4×600MW)燃煤機組BOP覆蓋了水、煤、灰等共13個輔助車間子系統(tǒng)的監(jiān)控,下設水、煤、灰三個監(jiān)控點,集中監(jiān)控點設在四機一控室里,打破了傳統(tǒng)的全廠輔助車間運行管理模式,不但比常規(guī)減員30%,還提升了全廠運行管理水平。整個輔控網的硬件和軟件的統(tǒng)一,減少了庫存?zhèn)淦穫浼叭粘9芾砭S護費用。由于取消了多個就地控制室,使得基建費用和今后的維護費用都減少。一些老廠的輔助車間也在進行BOP改造,其中浙江省第一家完成改造的是嘉興發(fā)電廠2×300MW機組,取得較好效果。

ATLAS COPCO 4240-0151-01 USPP 4240015101

KENT TAYLOR 2021WZ10106A USPP 2021WZ10106A

SQUARE D NA-361200 USPP NA361200

INDRAMAT TVM2.2-50-220-300-W1/115/220 USPP TVM2250220300W11

ALLEN BRADLEY 1336-B003-EOD-L2 USPP 1336B003EODL2

D&V ELECTRONICS 532-0004 NSPP 5320004

Siemens 6ES5 265-8MA01 -- 6ES52658MA01

Siemens 6ES5-484-8AB11 USPP 6ES54848AB11

SIEMENS 6ES5-312-3AB32 NSFP 6ES53123AB32

SIEMENS Westinghouse NL-542 NL542 6ES54648ME11 Analog Input

Siemens 6ES5 482-8MA13 I/O WORKING TESTED 6ES5482-8MA13

Siemens 6FM1-726-3CA00 in Box ping Worldwide

Siemens TP177 6AV6640-0CA11-0AX1 Touch Glass + Film

Siemens 6ES5465-7LA12

Juniper Ssg 4-Ports Networks Enhanced Interface Module JXE-4FE-TX-S

YOKOGAWA UT35-A11201A TEMPERATURE CONTROLLER RS422/232

Siemens 6ES7 214-1AD23-0XB0 6ES72141AD230XB0

Siemens OP27 6AV3 627-1LK00-0AX0 Membrane Keypad ping Worldwide

Potter and Brumfield CB-1001B-70

Schneider Modicon AS-B846-001 Analog Input 800/984 ASB846001

Schneider Modicon AS-584L-231 NSFP AS584L231

Schneider Modicon AS-M84A-002 REV. B CPU MODULE ASM84A002

Schneider Modicon AS-9593-000 USPP AS9593000

Schneider Modicon AC Power Converter AS-P12 0-00 WARRANTY

Schneider Modicon /Modicon/AS-BDEP-209 Input Module 8 pt

Siemens Texas 305-20N 30520N Input Module 85-128VAC

TELEMECANIQUE HMI XBT-N400 in Box

SIEMENS SIMATIC S7 ANALOG OUTPUT MODULE / 6ES7 332-7ND00-0AB0

SIEMENS 3NA1-224 USPP 3NA1224

SIEMENS SINUMERIK 840D/DE NCUBOX 6FC5247-0AA00-0AA2

Bogen Communications PCMTBM 2-Way Talkback Module/ Real Time Clock for PCM2000

SIEMENS Simodrive 6SN1145 1BA02 0CA0

SIEMENS PANELFRONT 6FC5203-0AF02-0AA0

Advantech PCI-1716L

Allen-Bradley 2711P-T12C4D1 PanelView Plus 1250 Touch/Enet/RS-232 64MB DC

ABB 5 KV Drawout Voltage Transformer unit Advac DO MetalClad 40:1 PTG3-1-60-482F

ACE Technology Limited ACE-6243 Eye Safe Laser Range Finder

A5E00415900 SIEMENS INVERTER BOARD 1 Pc

83752B Agilent opt 1E5/ 1ED Signal Generator Synthesized Swept

SIEMENS 6FC3-551-1AC-Z USPP 6FC35511ACZ

ASEA BROWN BOVERI DSPC172H USPP DSPC172H

APW MCLEAN T50-1226-G106A NSPP T501226G106A

MITSUBISHI A6GPPE-115UL USPP A6GPPE115UL

INDRAMAT DDS02.1-W150-DS01-00 USPP DDS021W150DS0100

ALLEN BRADLEY 2711-K6C9 NSFP 2711K6C9

SONY DXC-930 USPP DXC930

Siemens 6ES5-417-7AA21 NSFP 6ES54177AA21

SIEMENS 6ES5 464-8MC11 6ES54648MC11

SIEMENS 6ES5 951-7LB21 6ES59517LB21 Power Supply

Siemens PLC OUTPUT MODULE6ES5 440-8MA21 WOW

Siemens 6ES7 350-1AH01-0AE0 6ES73501AH010AE0

SIEMENS PLC LOGO! 6ED1 053-1HA00-0BA0 24RL

PTZ Camera 680TVL B/W 550TVL Color Samsung Original Module 37X Optical

healy 1363A MC100-1 interface module with harness

V2DIP1-48 VNC2-48 USB host development module FTDI Flash drive interface

Siemens 6AV6545-0CC10-0AX0 Touchscreen Glass w/ Film

1794-IB16D

Siemens LOGO 24RC 6ED1052-1HB00-0BA2

Omega 4002-JF

Schneider Modicon B805 AS-B805-016 AC Input Module

Schneider Modicon AS-884A-301 MODULE AS884A301

Schneider Modicon AS-E902-151 NSFP ASE902151

Schneider Modicon GOULD B804 OUTPUT MODULE AS-B804-016

Schneider Modicon AS-B827

Schneider Modicon PLC Card Part AS-B825-016

Schneider/Telemecanique Twido PLC TWDLCAE40DRF in Box

Schneider Soft Starter ATS48D38Q 18.5KW

SiemensOperatorPanelCorosOP15-C16AV3515-1MA20-1AA0

Siemens 6AV6545-0CC10-0AX0 TP270 6AV65450CC100AX0 Fast Shipping

SIEMENS SIMADYN S5 MODULE PN 6DD2920-0A00

GE Fanuc IC693CMM311G Communication Control Module

SIEMENS SimoDrive Servo Drive Controller 6SN1130-1AD11-0GA0

SIEMENS Sinumerik 6FC5147-0AA07-0AA0. Cooling Fan 840C

SIEMENS MOORE 16137-115 APACS/QUADLOG CABLE INTERCONNECT I/O 8M 25FT 600 20627

ALLEN-BRADLEY OUTPUT MODULE 1771-OA SERIES B

AB 2711E-NT2 SER.B TOUCHSCREEN REPLACEMENT KIT NIB QUANTITY

ABSOLUTELY LOADED with OPTIONS

A06B-0373-B569#7076 FANUC SERVO MOTORS REMANUFACTURED

75 HP ELECTRIC MOTOR 3600 RPM 365TSD FRAME NEMA PREMIUM EFFICIENT SEVERE DUTY

RELIANCE ELECTRIC 801466-R USPP 801466R

ALLEN BRADLEY 2750-AH NSFP 2750AH

ALLEN BRADLEY 1771-OF04 NSFP 1771OF04

HONEYWELL R7510-B1003-2 USPP R7510B10032

WINDSOR MPM-ZL3/1-S2 USPP MPMZL31S2

TOTAL CONTROL PRODUCTS QPI-11100-E2P USPP QPI11100E2P

GIDDINGS & LEWIS 502-03840-24R0 USPP 5020384024R0

Siemens 6ES5-240-1AA21 USPP 6ES52401AA21

SIEMENS 6ES5 375-1LA15 6ES53751LA15

SIEMENS BOARD 6ES5-900-0AA11 6ES5 900 0AA11 E88430 R3651 C4 B SIEMEN

Siemens 6ES5 980-4BA11 USPP 6ES59804BA11

SIEMENS 6ES5-375-8LA11 6ES53758LA11

Siemens Motor 1FK7042-5AF71-1EH0 in Box

RELIANCE ELECTRIC 45C-410A USPP 45C410A

Texas Instruments 500-5020

Spirent Adtech AX4000 400306 Interface Module

Uson Corporation 403X300 Unson Corporation 403-x300 I/O Module 403x300

Siemens C98043-A7002-L1 99%

Modicon AS-W621-001

Schneider Modicon AS-P120-000 P120 Compact 115/230V AC Power Supply WARRANTY

Schneider Modicon AS-B838-032 24 VDC OUTPUT CARD

Schneider Modicon AS-BDAP-216N NSFP ASBDAP216N

Schneider Modicon ASB875111 Analog Input Module AS-B875-111

Schneider Modicon TSX Compact Discrete Input AS-BDEP-220

Schneider Modicon B806 120VAC Output - AS-B806-032

Schneider Modicon Telemecanique TSX08ED12F8 NIB

SCHNEIDER TSXDMZ28R INPUT MODULE TSXDMZ28AR

RELEASE SuperMicro X9DBU-IF MB ※Check W/ Us for Availability FIRST※

Siemens 6ES5470-4UC13 OUTPUT ANALOG MODULE

SIEMENS VERY NICE SINUMERIK CONTROL DRIVE MODEL 6FC 3451 OJA Z

Mitsubishi plc AJ71UC24 Communication Module

SIEMENS Simodrive 611 LT 80A 6SN1124-1AA00-0DA

SIEMENS SINUMERIK MMC 102 6FC5210-0DA20-0AA1

SIEMENS Bete Spiral Spray Nozzle Teflon TF6FC 1/4"

AllenBradley1746-OX8/A1746-0X8SLC500IsolatedRelayOutputModule

Allen Bradley SLC 500 Output Module 1746-OA16 Ser. B

ABB Robot S4C IRB6400 150KG Refurbished in 2007

A06B-0142-B084#7008 FANUC SERVO MOTORS REMANUFACTURED

0010-03368 ASSY HEATER 8" NHT .029 NCSR OSCR WXZ

MODICON MM-PMC2-110 NSFP MMPMC2110

ALLEN BRADLEY 150-A500NBD NSFP 150A500NBD

AGILENT E5252A USPP E5252A

GE FUJI 6KP1143030X1B1 USPP 6KP1143030X1B1

SQUARE D 8502-SGO2-V02S USPP 8502SGO2V02S

SIEMENS 6FX1-121-4BA03 USPP 6FX11214BA03

ALLEN BRADLEY 8600-2293Z USPP 86002293Z

Siemens 6ES5 942-7UA13 6ES59427UA13

Siemens Simatic S5 6ES5 095-8MA02 6ES50958MA02

SIEMENS 6ES5-605-0RU11 PLC

Siemens 6ES5 451-7LA11 6ES5 451-7LA11S5 451-7 Digital Output WARRANTY

Siemens 3RK1301-0CB20-0AA3 ET200S DSS1e-xHF

Siemens ET200S 6ES7 132-4HB00-0AB0 6ES7132-4HB00-0AB0

SBI-7426T-S3 438GB SAS Blade Server 2x 2.53GHz Nehalem

Square D 9080 KH-25

Siemens AS-Interface Compact Module K45 3RK2200-0CQ20-0AA3

WE SHIP SAME CISCO AIR-AP1141N-A-K911GN FIXED AUTO AP INT ANT A REG D

Siemens 6SE6440-2UD13-7AA0 Inverter 0.37kW 380V FS

Siemens TP277-6 6AV6 643-0AA01-1AX0 Protective Film

Schneider Modicon MOTION MOD ENCDR/RSLVR - Model AS-BMOT-202

Schneider Modicon AS-BADU-256 Analog In ASBADU256

Schneider Modicon AS-B828-016 USPP ASB828016

Schneider Modicon AS-B885-100 MODULE

Schneider Modicon AS-W808-006 USPP ASW808006

Schneider Modicon AS-E385-904 385 Memory Module ASE385904

Schneider PLC Output Module TSXASZ401 In Box

SIEMENS 6ES5-441-8MA11 6ES54418MA11 INPUT MODULE 5 NOS WITH BASE

RPS MKS ASTRON AX7685 GENERATOR

SIEMENS COROS OP15-B OPERATOR PANEL CAT6AV3515-1MA01

SIEMENS Sinumerik 840C/840E 6FC5103-0AB01-0AA1 Version E

Rexroth Indramat Communication Module RMK12.2-1BS-BKL

SIEMENS 6SN2155-2CH11-1BA1 USPP 6SN21552CH111BA1

SIEMENS 6FX2002-5CA01-ABA0 SIMODRIVE CABLE

SIEMENS 6FC5-110-0DB03-0AA2 USPP 6FC51100DB030AA2

Allen-Bradley2711-T10G9Panelview1000TouchKeypad

Allen Bradley VersaView 1700P Interface Panel Catalog 6181F-17TPXPH Series D

ABB EHDB520C 2P- L CONTACTOR EHD 650A 600VDC XLNT

Advanced energy 2026-000-D, ASM LDM PLASMA Generator

(K6) 1 CINCINNATI ELECTROSYSTEMS 100741010-1 INTERFACE (K6)

LAETUS 2D-COSI-820-1421 NSPP 2DCOSI8201421

AGA 556-190-633 USPP 556190633

FOXBORO P0960AW USPP P0960AW

FANUC A06B-0505-B002 USPP A06B0505B002

SICK OPTIC ELECTRONIC DME5000-221 NSPP DME5000221

RELIANCE ELECTRIC 0-51879-5 USPP 0518795

SCIEMETRIC INSTRUMENTS 1000-1103-0000 USPP 100011030000

Siemens 6ES5 464-8MD11 6ES54648MD11

Siemens 6ES5-941-7UB11 USPP 6ES59417UB11

SIEMENS 6ES5-431-7LA11 USPP 6ES54317LA11

Siemens 6ES5 605-0UB11 w/ PG 605 U 6ES56050UB11

Siemens S5 6ES5 530-7LA12 NIB

Siemens BOP 6SL3255-0AA00-4BA1

SIEMENS 6ES5-482-8MA13 USPP 6ES54828MA13

Square D 8010 CC-102

Nortel NTBK54AB Fiber Interface Module refurb

WS-C6509-E CATALYST ENHANCED 6509 CHASSIS 9 15RU

Siemens 6ES7215-2AD00-0XB0 CPU215-2 Profibus DP

SIEMENS SIMATIC 6ES5466-3LA11 6ES5 466-3LA11 in Box

Reliance 57C410A

Schneider Modicon Gould ASBDEP218Input Module AS-BDEP-218 - Surplus

Schneider Modicon AS-B357-001 USPP ASB357001

Schneider Modicon AS-S911-003 USPP ASS911003

Schneider Modicon AS-B984-101/ASB984101 High Speed Counter OFFERS ACCEPTED

Schneider Modicon AS-B810-008 16 ISOLATED OUTPUT MODULE 115V 48095

MODICON AS-B838-032 OUTPUT MODULE 32POINT DISCRETE .5AMP 24VDC

SIEMENS INPUT MODULE ANALOG 505-6108B 5056108B

Siemens 6ES5 422-8MA11 6ES54228MA11

SIEMENS OUTPUT MODULE SIMATIC U-05T

SIEMENS SIMADYN D 6DD3440-0AB0 PT10 16bit !! QUANTITY!!

Total Control Quick Panel ModBus Plus Communication Interface Module

SIEMENS 6SN1118-0DH21-0AA1 6SN11180DH210AA1

SIEMENS Simodrive 611

SIEMENS 6FC5410-0AY01-0AA0 Free Ship

ADVANTECH PCL-747+ CPU Module

Allen-Bradley 1756-OF4 4 Point Analog Output Module 1756-OF4/A

ABB Bailey Infi 90 IMASI03 Analog Input Slave Module in the Factory

Adept Smart Multi Axis Interface ( sMAI) Robotics Control Module Board 03200-000

6SN1123-1AA01-0FA1 Ver A Siemens Simodrive LT-Modul INT. 200A 6SN11231AA010FA1

HONEYWELL 51401583-100 USPP 51401583100

TAYLOR ELECTRONICS 6205BZ10000B USPP 6205BZ10000B

DANFOSS 175H4147 USPP 175H4147

CONTROL TECHNIQUES DXE-450 NSFP DXE450

OMRON NT600MDN211 USPP NT600MDN211

MODICON 557VCM74210 USPP 557VCM74210

GENERAL ELECTRIC DS3800NVAA USPP DS3800NVAA

Siemens 6ES5 304-3UB11 6ES53043UB11

Siemens 6ES5-521-8MA21 NSFP 6ES55218MA21

SIEMENS 6ES5-318-8MA12 USPP 6ES53188MA12

Siemens 6ES5 095-8MB02 S5-95U Programmable Controller Central Unit

Siemens 6ES5-101-8UA13 PLC 6ES51018UA13

Siemens 6GK1543-0AA02 in Box Open Seal

Siemens TP177A 6AV6642-0AA11-0AX1 Touchscreen Glass

Siemens 6ES5541-8MA11

Kingspec Flash DOM Disk On Module 1GB/1G 40Pin Vertical IDE PATA Interface MLC

YASKAWA ELECTRIC JAMSC-B2806 USPP JAMSCB2806

Siemens 6ES7 216-2BD00-0XB0 6ES7216-2BD00-0XB0

Siemens OP270 6AV6 542-0CC10-0AX0 HMI Touchscreen

Red Lion AS-B255E

Schneider Modicon AS-B827-032 ASB827032 32 Point DC Input

Schneider Modicon AS-5B47K04A NSFP AS5B47K04A

Schneider Modicon AS-MBII-002 NSPP ASMBII002

Schneider Modicon AS-B133-000 USPP ASB133000

Schneider Modicon AS- B827-032

ModiconAEG1-B-356-001OutputModulePLC

SIEMENS SIMATIC TI305-55N INPUT MODULE 24 V AC DC

Telemecanique MODICON TWDLCAA16DRF

Siemens Simatic S5 Digital Output Module 6ES5 441-8MA11

 

來源:工控備件
版權聲明:工控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(lián)系電話:0571-87774297。
今日最新資訊
熱門資訊
0571-87774297