Rexroth VT2000K現(xiàn)貨
公司專業(yè)銷售在線地下水監(jiān)測(cè)儀,在線揚(yáng)塵噪聲自動(dòng)監(jiān)測(cè)儀,植被覆蓋度攝影測(cè)量?jī)x,小徑流泥沙自動(dòng)監(jiān)測(cè)儀,階梯式集沙儀,臺(tái)式過(guò)濾器,數(shù)顯坡度尺,自動(dòng)雨量站,便攜式流速儀,高速公里氣象觀測(cè)站,土壤養(yǎng)分速測(cè)儀,氣體取樣鋼瓶,潤(rùn)滑油三級(jí)過(guò)濾桶等產(chǎn)品
2.5
局部系統(tǒng)應(yīng)用現(xiàn)場(chǎng)總線
自動(dòng)化技術(shù)的發(fā)展,帶來(lái)新型自動(dòng)化儀表的涌現(xiàn),現(xiàn)場(chǎng)總線系統(tǒng)(FCS)是其中一種,它和DCS緊密結(jié)合,是提高控制信號(hào)傳輸?shù)臏?zhǔn)確性、實(shí)時(shí)性、快速性和機(jī)組運(yùn)行的安全可靠性,解決現(xiàn)場(chǎng)設(shè)備的現(xiàn)代化管理,以及降低工程等的一項(xiàng)先進(jìn)的和有效的組合。目前在西方發(fā)達(dá)國(guó)家,現(xiàn)場(chǎng)總線已應(yīng)用到各個(gè)行業(yè),其中電力行業(yè)典型的是德國(guó)尼德豪森電廠2×950MW機(jī)組的控制系統(tǒng),采用的就是PROFIBUS現(xiàn)場(chǎng)總線。
2.6
SIS系統(tǒng)的應(yīng)用發(fā)展
SIS系統(tǒng)是實(shí)現(xiàn)電廠管理信息系統(tǒng)與各種分散控制系統(tǒng)之間數(shù)據(jù)交換、實(shí)時(shí)信息共享的橋梁,其功能包括廠級(jí)實(shí)時(shí)數(shù)據(jù)采集與監(jiān)視,廠級(jí)性能計(jì)算與分析。在電網(wǎng)明確調(diào)度方式有非直調(diào)方式且應(yīng)用軟件成熟的前提下,可以設(shè)置負(fù)荷調(diào)度分配功能。設(shè)備故障診斷功能、壽命管理功能、系統(tǒng)優(yōu)化功能以及其它功能(根據(jù)電廠實(shí)際情況確定是否設(shè)置)。自從國(guó)家電力公司電力規(guī)劃總院在2000年提出這一概念和規(guī)劃后,至今估計(jì)有200家多電廠建立了SIS系統(tǒng),可謂發(fā)展相當(dāng)迅速。
但是自從SIS系統(tǒng)投運(yùn)以來(lái),其所起的作用只是數(shù)據(jù)的采集、存儲(chǔ)、顯示和可打印各類生產(chǎn)報(bào)表,能夠真正把SIS的應(yīng)用功能盡情發(fā)揮出來(lái)的很少,其面向統(tǒng)計(jì)/生產(chǎn)管理的數(shù)據(jù)分析工具,基于熱經(jīng)濟(jì)性分析的運(yùn)行優(yōu)化,以品質(zhì)經(jīng)濟(jì)性為目標(biāo)的控制優(yōu)化,以提高可靠性為目的的設(shè)備故障診斷等功能基本多數(shù)都未能付緒實(shí)施。其原因主要有設(shè)計(jì)不夠完善,多數(shù)SIS廠家并沒有完全吃透專業(yè)性極強(qiáng)的后臺(tái)程序及算法,使其在生產(chǎn)實(shí)際中未能發(fā)揮作用,加上與現(xiàn)場(chǎng)生產(chǎn)脫節(jié),因此SIS代理商所能做的只是利用網(wǎng)絡(luò)技術(shù),邊搭建一個(gè)基本的SIS 架構(gòu)邊進(jìn)行摸索。此外SIS應(yīng)涵蓋哪些內(nèi)容沒有統(tǒng)一的標(biāo)準(zhǔn)也緩慢了其功能的應(yīng)用。
但從大的方向上看,SIS系統(tǒng)的建設(shè)符合技術(shù)發(fā)展的需要和中國(guó)電力市場(chǎng)發(fā)展的趨勢(shì),將給發(fā)電廠特別是大型的現(xiàn)代化發(fā)電廠帶來(lái)良好的經(jīng)濟(jì)效益。
三、國(guó)內(nèi)外主要制造商
目前上主要制造商有Foxboro(美)、SIEMENS(德)、ABB(瑞士)、Emerson(美)、HITACH(日)、LEEDS & NORTHRMP(美)、Honewell(美)、Hartmann & Braun(德)、Yokogawa(日)、等。
在國(guó)內(nèi)DCS廠家中,大的供貨商依次為:浙大中控、合利時(shí)、上海新華、上儀、四聯(lián)、威盛等。
在應(yīng)用DCS的過(guò)程中,我國(guó)科研技術(shù)人員在消化吸收國(guó)外技術(shù)的同時(shí),自主創(chuàng)新我國(guó)自己的DCS,經(jīng)過(guò)多年努力,他們都已經(jīng)取得可喜的成果,如新華控制工程公司的XDPS-400、北京和利時(shí)的FOCS和國(guó)電智深公司的EDPF-NT,華能信息產(chǎn)業(yè)公司的PINECONTROL,都已在多個(gè)電廠試驗(yàn)應(yīng)用的基礎(chǔ)上,經(jīng)過(guò)改造提高后、達(dá)到或接近國(guó)外廠家同類的DCS水平,并已在600、1000WM機(jī)組改造或新建工程中得到廣泛應(yīng)用,受到電廠的歡迎和好評(píng),且其價(jià)格低于國(guó)外成套進(jìn)口的設(shè)備。
ADEPT TECH 10330-11351 USPP 1033011351
ADEPT TECH 10330-12350 USPP 1033012350
ADEPT TECH 320 USPP 320
ADEPT TECH 90400-20045/XY?-HRS-045M201 USPP 9040020045XYHR?S0
ADEPT TECH 10337-15200 NSFP 1033715200
ADEPT TECH 10332-00500 NSPP 1033200500
ADEPT TECH 30330-12350 NSPP 3033012350
ADEPT TECH 10332-48712 USPP 1033248712
ADEPT TECH 10350-01044 NSPP 1035001044
ADEPT TECH 30340-10100 USPP 3034010100
ADEPT TECH 10332-12350 USPP 1033212350
ADEPT TECH 30332-12350 USPP 3033212350
ADEPT TECH 10332-11150 NSPP 1033211150
ADEPT TECH 10332-00500 USPP 1033200500
ADEPT TECH 30330-12350 USPP 3033012350
ADEPT TECH 10300-46625 USPP 1030046625
ADEPT TECH 260-0420 USPP 2600420
ADEPT TECH 30846-00020 NSPP 3084600020
ADEPT TECH 10310-61200 USPP 1031061200
ADEPT TECH 90400-02100-EX?TB01AD USPP 9040002100EXTB?01
ADEPT TECH 10300-16500 USPP 1030016500
ADEPT TECH 10300-16600 USPP 1030016600
ADEPT TECH 10337-15200 USPP 1033715200
ADEPT TECH 30330-11351 USPP 3033011351
ADEPT TECH 10330-10150 USPP 1033010150
ADEPT TECH 10332-00505 NSFP 1033200505
ADEPT TECH 10332-11150 USPP 1033211150
ADEPT TECH 30330-11150 USPP 3033011150
ADEPT TECH 10154-70200 USPP 1015470200
ADEPT TECH 30846-00020 USPP 3084600020
ADEPT TECH 10845-72000 USPP 1084572000
ADEPT TECH 10300-11100 USPP 1030011100
ADEPT TECH 10338-53100 USPP 1033853100
Rexroth VT2000K
AMETEK 4" 0/600 PSI WITH HIGH PRESSURE FITTING.
AMETEK 4" 0/3000 PSI 1/4NPT WITH HIGH PRESSURE FITTING.
AMETEK 4" 0/5000 PSI WITH HIGH PRESSURE FITTING.
AMETEK 4.5 1981 SS 02L 160 PSI 1/4"npt
AMETEK DIGITAL THERMOMETER MODEL DT-8330 400/1500 F
6" STEEL WIND TURBINE GENERATOR HUB 4 AIRX blades 4 Ametek or other PM gen 17mm
New Ametek Panalarm 50-L 125DC Relay
AMETEK GAUGE 168541, 1/4" NPT LM, 300 PSI
2 AMETEK/US GAUGE GAUGES M# 5843 - NEW
AMETEK COMPOUND GAUGE 30"Hg TO 30PSI 4-1/2"
Ametek 8280650 - 30-0 Hg 1/4" ANPT LM Vacuum Gauge
NEW USG AMETEK 256013 STYLE: 6562 GAUGE (B97)
Ametek US Gauges Fire Protection Gauge 0-80 PSI 80-250 PSI Retard R-1590 NIB
USG Ametek 2" P-844U General Purpose Gauge 0-100 psi 1/8" NPT 164419 138004 NIB
USG Ametek 2" P-844U General Purpose Gauge 0-60 psi 1/8" NPT 164418 NIB
NEW Relay Switch Solenoid 24 VOLT Prestolite Ametek
NEW USG AMETEK 256019 STYLE: 6562 GAUGE (B97)
1 NIB AMETEK 163139 GAUGE O4-1
AMETEK/USG P550 100 PSI 1/4" ANPT Stainless Tube/Socket
AMETEK USG 161964A PRESSURE GAUGE NIB
Ametek P1555LX Pressure Gauge
Ametek Panalarm 50S190NO Relay
Ametek Panalarm 30-H1 Relay
AMETEK 47104 0-30 PSI 2 1/2" FIG. V-500 PRESSURE GAUGE, NEW
Pittman Ametek GM9434G973-R1 Gearmotor 24-VDC 11.5:1 Gear Motor Gearmotor Servo
AMETEK 0-30PSI *NEW IN BOX*
Ametek Hunter Spring Negator B Motor Hatfield, Pa. Ne'gator
Ametek Panalarm Relay 50-NO
6" STEEL WIND TURBINE GENERATOR HUB 4 AIRX blades 4 Ametek or other PM gen .625"
6" WIND TURBINE GENERATOR METAL HUB 4 AIR-X blades Ametek or other PM gen .500"
NEW AMETEK PANALARM 50-NO RELAY 120V / 50-60 HZ
AMETEK US GAUGE 0-60 psi, 4-1/2 FACE, 1/2" LM, BRASS TUBE & SOCKET 290ER06
Ametek Lamb Vacuum Cleaner Motor Stationary Fan 31175, Fits all 7.5" motors
AMETEK 166322 PRESSURE GAUGE, 100PSI
Ametek 33202 Gauge 0-30 PSI 1/4" NEW
AMETEK P 844 U 2-1/2" PRESSURE GUAGE P844U NEW
Ametek SPT0500X140 Pressure Transducer 1-6VCD
NEW AMETEK 4 1/2" GAUGE 60 PSI 1/2"ANPT FIG. 1980
AMETEK 37325 PRESSURE METER 50PSI 2.5: 138045 NEW
Ametek Series P500 0-600psi Utility Pressure Gauge NIB
USG AMETEK GAUGE P844UK 2”
NEW USG Ametek Utility Gauge 165298, 100 PSI, 1/4 NPT LM #32786
Ametek / Hunter Spring L-1000M Mechanical Force Gage
NEW AMETEK 2300 PSI GAUGE- CONN. 1/4 ANPT LM,SIZE 4 1/2
(2) Ametek USG 300 PSI Gauge E 91
AMETEK GAUGE 100PSI 163271 *NEW IN BOX*
Rexroth VT2000K
ACCURAY 4-083182-001 REV CA I/O PC PCB PRINTED CIRCUIT BOARD MODULE CARD 58642
HONEYWELL ACCURAY BCMMST4A 60144916-001 SCANNER PCB CONTROL CIRCUIT BOARD 58693
ACCURAY 064860-003 FDI E SCANNER PRINTED CIR CONTROL BOARD CARD MODULE PCB 59056
ABB/ACCURAY 083898-010 ELECTROMETER RELAY 11PIN 600M OHMS TC=12MS PRE AMP 52939
ACCURAY 064860-003 FDI C PC CIRCUIT BOARD MODULE CAD FDI PLC CARD 56753
ACCURAY 7-083122-001 ELECTRONIC PC PCB PRINTED CIRCUIT BOARD MODULE CARD 58669
ACCURAY 6-053852-001 8301 2301 REGULATED HIGH VOLTAGE POWER SUPPLY 58666
ACCURAY 082132-001 082133-001 SCANNER CONTROL BOARD MODULE CARD 59053
ABB / ACCURAY 083898-010 ELECTROMETER RELAY 11PIN R600M OHM TC=12MS 58685
ABB/ACCURAY 083898-011 ELECTROMETER RELAY 11PIN R600M OHM TC=12MS E/C 58683
ABB / ACCURAY 083898-010 ELECTROMETER RELAY 11PIN R600M OHM TC=12MS E/E 58684
ABB ACCURAY 083898-011 ELECTROMETER RELAY 11P 11PIN R10000M OHM TC=100MS 58681
ABB / ACCURAY 083898-011 ELECTROMETER RELAY 11PIN R600M OHM TC=12MS 58682
ABB / ACCURAY 083898-011 ELECTROMETER RELAY 11PIN 10000M OHM TC=100MS 52942
ACCURAY 086175-001 INPUT MODULE MOTHERBOARD ELECTRICAL CIRCUIT BOARD CARD 58013
ACCURAY MICROSCAN CALIPER CALIBRATION BLOCKS NA-B-8-082537-?001-A L13
Enlarge
ACCURAY MICROSCAN CALIPER CALIBRATION BLOCKS NA-B-8-082537-?001-A L12
Accuray 028490 FTG BU. union 3/8 Tube (Part of 028490 Kit Air Compresor)
Dunlop AccuRay AccuRated Tires 1957 print Ad
ACCURAY OPERATOR CONTROL STATION INTERFACE ASSEMBLY W/ MONITOR + CONTROLS 57850
Accuray 64844-001 64844001 Process Interface Board
ACCURAY 061577-003 PROM/RAM AD-9-061577-00?3 MAKE OFFER!
Accuray 61595-003 61595003 Scanner in PWA
Accuray 61580-002 61580002 PC Board
Accuray 64844-004 64844004 PC Board
ACCURAY AIC8 086155-001 SCANNER VME CONTROL BOARD CARD 86155 51642
Accuray 83883-004 83883004 PC Board
Accuray 83156-002 83156002 PC Board
ACCURAY 086158-004 SIO6 A SCANNER CONTROL CIRCUIT BOARD MODULE CARD PC PCB 58615
Accuray 64829-003 64829003 PC Board
Accuray 61552-002 61552002 MPR
Belmont 071A Accuray Dental Bitewing Intraoral X-Ray w/ Control Box & Mount
ACCURAY NA-B-8-083103 083892 TEMPERATURE CONTROLLER 10 POSITION 45C-80C 52932
Accuray 69828-002 69828002 PC Board
Rexroth VT2000K