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1771-DMC4現(xiàn)貨 in stock! 歡迎來電咨詢~！！

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(gòu)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(shù)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(yīng)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(yīng)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(jié)構(gòu)變化，應(yīng)用技術(shù)得到快速發(fā)展
　　隨著電子技術(shù)的發(fā)展，近年來DCS系統(tǒng)在結(jié)構(gòu)上發(fā)生變化。過去強調(diào)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(dǎo)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(dǎo)致機組停機，即使沒有直接導(dǎo)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(shù)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(zhuǎn)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(fù)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(yīng)用技術(shù)發(fā)展的新方向，這不但減少了故障環(huán)節(jié)，還因內(nèi)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(yīng)用技術(shù)的發(fā)展，如采用通用化的硬件平臺，獨立的應(yīng)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(shù)的成功應(yīng)用等，都為DCS增添了新的活力，功能進一步提高，應(yīng)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(nèi)過去通常都是由PLC和上位機構(gòu)成各自的網(wǎng)絡(luò)，在各車間控制室內(nèi)單獨控制，因此得配備大量的運行人員。為了提高外圍設(shè)備控制水平和勞動生產(chǎn)率，達到減員增效的目的，隨著DCS技術(shù)和網(wǎng)絡(luò)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(wǎng)(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(wǎng)絡(luò)技術(shù)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(shè)水、煤、灰三個監(jiān)控點，集中監(jiān)控點設(shè)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(wǎng)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。

Several 2011 date FW Rev K

Siemens SITOP30 POWER SUPPLY 30AMP 480V 6EP1437-1SL01

SIEMENS Sinumerik 6FC5203-0AF00-0AA0 Operator Panel

SIEMENS SINUMERIK 810 BOARD 6FX1126-8BA

SIEMENS 6SN1123-1AA00-0DA0 SIMODRIVE

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Adb PCI-7300A

ALLENBRADLEY1756-OF4ANALOGOUTPUTMODULE

Allen Bradley SLC 500 Output Module 1746-OW16 Lot of 3

ABB Robot IRB 6000 with M93 control system

A06B-0142-B075 AND ORIGINAL FOR FANUC AC SERVO MOTOR

0.1MHz-1020MHz High Frequency Signal Generator G4-176 analog Noisecom Anritsu HP

MODICON AS-P420-61M USPP ASP42061M

ALLEN BRADLEY 150-A135NBDD-8B4 NSFP 150A135NBDD8B4

ADEPT TECH 260-0420 USPP 2600420

GE FANUC IC697GDC701 USPP IC697GDC701

SIEMENS SHLD69600G NSFP SHLD69600G

SIEMENS 6ES7-317-2AJ10-0AB0 USPP 6ES73172AJ100AB0

ALLEN BRADLEY 6185-BAZAAZZ USPP 6185BAZAAZZ

Siemens 6ES5 941-7UA12 6ES59417UA12

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SIEMENS 6ES5-521-8MA21 SERIAL INTERFACE MODULE 6ES55218MA21

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SIEMENS 2M MMC 6ES7 953-8LL11-0AA0 6ES7953-8LF20-0AA0

Siemens Encoder 6FX2001-2EC50

Schneider 140CPU43412U 140 CPU 434 12U TSX Quantum Processor 2xMB 1xMB

Square D 9065 SJA01

SIEMENS 6SE3190-0XX87-8BF0 DRIVE INTERFACE MODULE NIB

WE SHIP SAME CISCO SFP-10G-SR 10GBASE-SR SFP MODULE

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Schneider Modicon TSX Compact AS-HDTA-201 Sec. SubRack DTA-201

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Schneider Modicon AS-B827 ASB827 Fast Shipping

Schneider Modicon AS-B825-016 MODULE

Schneider Modicon AS-W801-002 ASW801002 Extender Cable

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SCHNEIDER TC2000 INDUSTRIAL OPERATOR INTERFACE 3515 KPM CRACKED PARTS/REPAIR

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

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Rolm 600 DCO Data Communications Option Module

SIEMENS 6SN1162-0GA00-0BA0 6SN1 162-0GA00-0BA0 SIMODRIVE 611 Adapter Set

SIEMENS 6RB2105-0SG00 Simodrive Power Board

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AllenBradley6180-DGKEFGDZECZ/BIndustrialComputer15"ColorTouchScreen

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ABB E6H-A-40 SACE E6 4000A LOW VOLTAGE POWER CIRCUIT BREAKER 6P POLE 4000A 57898

Adv Motorized Horizontal Test Stand w/ Digital Speed Controller 50 lb Cap, 220V

(H3-2) 1 COMPUTER PRODUCTS NFS42-7608 PC BOARD H3-2

KEYSTONE 206-030-999-003 USPP 206030999003

ADEPT TECH 10332-00716 USPP 1033200716

FOXBORO 220S-3F6-C USPP 220S3F6C

FANUC A06B-0313-B202 USPP A06B0313B202

SHARP GPB-2 USPP GPB2

RELIANCE ELECTRIC 0-49046 NSFP 049046

ROBOTRON 503-2-0322-04 USPP 5032032204

Siemens 6ES5 460-7LA13 6ES54607LA13

Siemens 6ES5-928-3UA12/6ES59283UA12 CPU with Memory NICE!! OFFER ACCEPTED!!

SIEMENS 6ES5-430-8MD11 NSFP 6ES54308MD11

Siemens 6ES5 491-0LB11 ADAPTION CASING

Siemens S5 6ES5 482-7LA11

Siemens 840D/840Di/810D HT6 Membrane Keypad

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Square D 8005 TT-116

Norb BCM DTM Digital Trunk Interface Media Bay Module PRI T1 DTI NT5B04AAAD

WS-F6700-DFC3BXL Cisco Distributed Forwarding Card 3BXL Switching accelerator

Siemens 6ES7195-7HD10-0XA0 NIB

Siemens Servo Motor 1FT6 ERN 1387 2048 62S14-70K 0,00

Reliance 57406

Schneider Modicon Gould AS-B864-001 | Output Module NIB

Schneider Modicon AS-B354-000 USPP ASB354000

Schneider Modicon AS-S908-110 Remote I/O

Schneider Modicon AS-B885-100 MOTION MODULE ASB885100

Schneider Modicon AS-B807-132

MODICON AS-B872-200 ANALOG OUTPUT MODULE ASB872200

Siemens Input Module SMP-E211-A11 FOR PARTS SEE PICS 6929

Siemens 6ES5 441-4UA14 -FS- 6ES54414UA14

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SIEMENS FS620I LASER SCANNER 3RG7834-6DD00

Triconex Tricon Communication Modules 4351A TCM

SIEMENS 6SN1118-0DG23-0AA0 _ 6SN11180DG230AA0 version C

SIEMENS Simodrive 611 6SN1111-0AB00-0AA0

SIEMENS 6FC5500-0AA11-1AA0 Free Ship

Advantech PCL-731 48 bit digital I/O card

Allen-Bradley 1769-OB8 High Power Output Module

ABB Axis 4-5 motor for Irb 6400(F); Part# 3HAB5761-1

ADEPT ROBOT MOTION BLOX-60R 05865-000

6SL3120-1TE26-0AA3 sinamics s120 single motor module

HONEYWELL 51305907-175 NSFP 51305907175

SYMAX 8881-MLI-224 USPP 8881MLI224

CUTLER HAMMER W200M5CFC USPP W200M5CFC

CONTROL TECHNIQUES BLE-455W-4 NSPP BLE455W4

OMRON CV2000-CPU01-E NSFP CV2000CPU01E

MODICON 140-AII-330-10 USPP 140AII33010

GENERAL ELECTRIC 755X045015 NSPP 755X045015

Siemens 6ES5 300-3AB11 -FS- 6ES53003AB11

Siemens 6ES5-511-5AA12 USPP 6ES55115AA12

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Siemens TP177A 6AV6 642-0AA11-0AX1 Protective Film

Siemens 6ES5482-7LA11

KEYENCE INTERFACE MODULE KV-L2

Yaskawa Memocon GL120 DDSCR-120CPU34100 Ver. FOB14 CPU20 120 CPU 341 00

Siemens 6ES7 215-2AD00-0XB0 6ES72152AD000XB0 DP

Siemens OP27 6AV3627-1JK00-0AX0 Operator Display Panel

Pulsatrol MTC 310BCF

Schneider Modicon AS-B832-016/ASB832016 Beautiful condition

Schneider Modicon AS-5B34P-02A NSFP AS5B34P02A

Schneider Modicon AS-M907-100 PLC M907100 AM-M907-100

Schneider Modicon AS-B130 PLC

Schneider Modicon Analog Input Card Part AS-B873-001

Schneider Modicon TM-1623 AS-B833-016 24V INPUT TRUE LOW

Siemens SIMULATOR MODULE INPUT/OUTPUT 6ES5-788-8MA11

Telemecanique LA-DT4C Time Delay Module

Siemens Simatic S7 322-1BL00-0AA0 32pt Output Module

SIEMENS 2112A-4 NSPP 2112A4

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BMW E65 E66 communication transmitter receiver module

SIEMENS SIMODRIVE 6SN1130-1DB42-0CA0 VSA-MODUL

SIEMENS OP015 6FC5203-0AF03-0AA0 Membrane Keypad 6FC5 203-0AF03-0AA0

Advantech PCL-722 144 Bit DIO Card

ALLEN-BRADLEY 2711P-B10C4D2 PANELVIEW PLUS 1000 OIP

ABB 57086785 DI86-M8/8 AB Stromberg

ACME 500KVA transber 480-208Y/120 3Phase

A-770RV RELAY

850/1300 nm multimode 1310/1550 nm singlemode INCLUDED

SIEMENS 6FM1-470-3AA25 NSFP 6FM14703AA25

ASEA BROWN BOVERI EHN550C-1 NSFP EHN550C1

ASCO NP8321A5V-120 NSPP NP8321A5V120

MITSUBISHI A985GOT-TBD NSFP A985GOTTBD

INDRAMAT DKS01.1-W030B-DL01-00-FW USPP DKS011W030BDL010

ALLEN BRADLEY 3100-CPU USPP 3100CPU

SQUARE D 8538-SBA23V86AFF4T NSPP 8538SBA23V86AFF4

Siemens 6ES5-420-4UA13 NSFP 6ES54204UA13

SIEMENS 6ES5 464-8MD11 -- 6ES54648MD11

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PROTECH PIRAMID SDI-77XL PASSIVE INFRARED DETECTOR

HEYE-GLAS I/O Interface 4501102000 Module Board

VARIAN E1147480 ANALOG/DIGITAL I/O INTERFACE MODULE

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Siemens LOGO 24RL 6ED1053-1HA00-0BA0

Omron 3G2A3-IA221

Schneider Modicon AS-W801-002 ASW801002 Extender Cable

Schneider Modicon AS-B354-001 ASB354001 FreeShip

Schneider Modicon AS-E908-031 Executive Cartridge Lot of 4

Schneider Modicon Gould J474 Communication Option _ AS-J474-000

Schneider Modicon AS-B872-011 OUTPUT MODULE ASB872011

Schneider Modicon Power Converter M AS-P12 0-00 ~ SUR.~

Schneider/Telemecanique Inverter Control Panel VW3A1101

Schneider Telemecanique Analog Output Module TM2AMO1HT

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SIEMENS SINUMERIK 12.1 TFT OPERATOR INTERFACE PANEL 6FC5203-0AF02-0AA1 NE

GE FANUC IC693CMM301G GENIUS COMMUNICATION MODULEXLNT

SIEMENS Transber LINE REACTOR 6SN1111-0AA00-0CA1

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

SIEMENS MOORE QLBCMNBN QUADLOG BUS CONTINUATION MODULE

Allen-Bradley MobileView Guard G750

AB 6690DS2 96213271 REMOTE I/O BOARD SER. C REV. P

AC Electric Motor Drive - 30 HP - 600 Volt - Three Phase Input

A06B-0501-B521 FANUC SERVO MOTORS REMANUFACTURED

75 HP MOTOR 1200 RPM W-DF280SNH FR BROOK HANSEN 45 KW BROOK COMPTON

RELIANCE ELECTRIC 803456-21T USPP 80345621T

ALLEN BRADLEY 3400-TFS USPP 3400TFS

ALLEN BRADLEY 1772-LXP NSFP 1772LXP

IAI XSEL-J-3-100I-60I-60IB-CC-EEE-2-2 USPP XSELJ3100I60I60I

XYCOM 9450-513316 USPP 9450513316

TOTAL CONTROL PRODUCTS TFTXXXXXT1A USPP TFTXXXXXT1A

GSE SCALE 200550-00000 NSPP 20055000000

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SIEMENS 6ES5 375-1LA21 memory MODULE

SIEMENS Communication Processor 6ES5 530-3LA12 6ES5530-3LA12

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Texas Instruments 500-5030

SQUARE D 8030 CRM 211 INTERFACE MODULE 1 YEAR RETURN POLICY

USON 403-X300G USPP 403X300G

Siemens C98043-A7007-L1-3

Modicon AS-W804-006

Schneider Modicon AS-BDEP-211 INPUT MODULE NIB

Schneider Modicon AS-P120-000 Power Supply

Schneider Modicon AS-BDAP-218 16 Point Output Module

Schneider Modicon ASB885002 GOULD MODULE AS-B885-002

Schneider Modicon /Gould AS-J474-001 Series 484 Slave Modem (UGC)

Schneider Modicon BDAP-209 8PT OUTPUT AS-BDAP-209

Schneider Modicon TSX PCX3030 TSXPCX3030 USB Cable NIB

Schneider TSXDEY16A4 Modicon Digital Input Module TSX DEY 16A4 TSX DEY16A4

RELEASE SuperMicro X9DAE MB ※Check W/ Us for Availability FIRST※

SIEMENS 6ES5470-4UC12 OUTPUT MODULE 8 POINT ANALOG

SIEMENS 6FX1122-8BD04 6FX11228BD04 SINUMERIK 805SM Digital Output Module

Mitsubishi MELSEC AJ71PT32-S3 Communication Module

SIEMENS SimoDrive 6SN1112 Power Module

SIEMENS Sinumerik Interface 1P-6FC5103-0AD13-0AA0 Ver C _ 1P6FC51030AD130AA0

SIEMENS Airtex Fuel Pump Jeep CJ5 69 68 CJ6 FC150 65 64 63 62 Dispatcher 67 66 Car

AllenBradley1746-OB16/DSLC500OutputModule

Allen Bradley SLC 500 Output Module 1746-OV16 Ser. C

ABB ROBOT SERVO 3HAB 5760-1/06

A06B-0143-B075#0008 FANUC SERVO MOTORS REMANUFACTURED

0010-21788 Magnet

MODICON MM-PMC3-1TB USPP MMPMC31TB

ALLEN BRADLEY 150-A97NB-NA NSFP 150A97NBNA

ALLEN BRADLEY 1326AB-B3E-11-A5 USPP 1326ABB3E11A5

GENERAL ELECTRIC 12BDD15A6A USPP 12BDD15A6A

SQUARE D 8538SFA23-V02S USPP 8538SFA23V02S

SIEMENS 6GK1-543-0AA02 NSFP 6GK15430AA02

AMETEK 2000 USPP 2000

Siemens 6ES5 942-7UB11 6ES5942-7UB11 Free Ship

Siemens Simatic S5 6ES5 244-3AA21 6ES52443AA21 PLC Card

SIEMENS 6ES5-700-0LA11/6ES5700-0LA11 RACK XLNT

Siemens 6ES5 451-8MA11 USPP 6ES54518MA11

Siemens 3UF5021-3BB00-1

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SBE INC M68K10 USPP M68K10

Square D ATV66D16N4U