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
6FX1120-2CA02
發(fā)布者:fzjfx0001  發(fā)布時(shí)間:2019-08-18 15:36:33

6FX1120-2CA02現(xiàn)貨 in stock! 歡迎來電咨詢~?。?/p>

6FX1120-2CA02


 廣州地鐵三號(hào)線集中冷站系統(tǒng)構(gòu)成及特點(diǎn)
  廣州地鐵三號(hào)線集中冷站采用了施耐德高端PL C QUANTUM 控制器系列,對(duì)集中冷站和車站進(jìn)行控制,各車站與集中冷站之間采用多模光纖以太網(wǎng)通訊方式,通訊協(xié)議為MODBUS TCP .大大保證了通訊速率和通訊信息量的要求,同時(shí)也保證了通訊距離和系統(tǒng)的安全可靠性。送排風(fēng)及空調(diào)系統(tǒng)采用變頻器調(diào)節(jié)風(fēng)量,水系統(tǒng)二次泵也均采用變頻器調(diào)節(jié)。變頻器與通過Modbus通訊接口接入就地遠(yuǎn)程I/O箱的遠(yuǎn)程通訊模塊上,大大減少了通訊線的距離,避免了干擾。
  ● 集中冷站系統(tǒng)構(gòu)成
  ○ 集中冷站供冷系統(tǒng)由集中冷站,傳輸管道和末端設(shè)備構(gòu)成
  ○ 其中供冷系統(tǒng)圖如圖1-1,冷站系統(tǒng)圖如圖1-2
集中冷站系統(tǒng)特點(diǎn)
  與分站供冷方式相比,集中冷站供冷系統(tǒng)需要為多個(gè)車站供冷,在供冷范圍和數(shù)量上都要大得多,有以下幾個(gè)主要特點(diǎn):
  ● 冷凍水傳輸距離長。一般地鐵站距在1000米左右,本系統(tǒng)為6個(gè)車站供冷,冷凍水傳輸距離將達(dá) 2000~3000米。長距離傳輸,管路的阻力大為增加,并且系統(tǒng)的熱惰性加大,增大了系統(tǒng)的調(diào)節(jié)難度
  ● 末端設(shè)備數(shù)量多,供冷管路形成網(wǎng)絡(luò)。由于各站的負(fù)荷情況不同,系統(tǒng)調(diào)節(jié)時(shí)易導(dǎo)致出現(xiàn)相互影響,需考慮整個(gè)網(wǎng)絡(luò)的整體水力平衡
  ● 集中冷站供冷系統(tǒng)的制冷部分,通常采用多機(jī)組,二級(jí)泵的形式。這種形式適應(yīng)了長距離管路輸送阻力較大的情況,能夠減小末端系統(tǒng)對(duì)冷機(jī)的影響。但是增加了泵的數(shù)量和管路復(fù)雜性,使調(diào)節(jié)控制的難度加大
  調(diào)節(jié)控制方法與策略
  調(diào)節(jié)控制手段
  ● 廣州地鐵三號(hào)線集中供冷系統(tǒng)中,PLC采用的調(diào)節(jié)控制手段有:
  ○ 風(fēng)機(jī)變頻變風(fēng)量(末端設(shè)備)
  ○ 水泵變頻變水量
 ○ 水閥調(diào)水量
  ○ 質(zhì)調(diào)節(jié)
  調(diào)控手段的選擇
  由于管路很長,冷凍水從集中冷站到末端設(shè)備需要運(yùn)行數(shù)十分鐘,如果采用質(zhì)調(diào)節(jié),則調(diào)節(jié)時(shí)滯太大。因此在實(shí)時(shí)控制中,主要采用量調(diào)節(jié)的方式(包括風(fēng)量調(diào)節(jié)和水量調(diào)節(jié))。質(zhì)調(diào)節(jié)則采用開環(huán)方式,根據(jù)外溫或季節(jié)確定冷凍水溫,并在一定時(shí)間內(nèi)(比如1天內(nèi))保持相對(duì)穩(wěn)定。
  二級(jí)泵管路長,阻力大,且流量直接受末端負(fù)荷的影響,因此二級(jí)泵采用變頻調(diào)節(jié),可以達(dá)到較好的節(jié)能效果。同時(shí)為了保證通過冷水機(jī)組的水量,一級(jí)泵采用定速泵,并與冷機(jī)對(duì)應(yīng)運(yùn)行,不進(jìn)行變頻調(diào)節(jié)。
  從節(jié)能的角度考慮,優(yōu)先考慮節(jié)能效果較好的風(fēng)機(jī)變頻和水泵變頻調(diào)節(jié),盡量少使用水閥調(diào)水量的方法。
  控制調(diào)節(jié)的策略
  初調(diào)節(jié)
  集中冷站供冷的管路復(fù)雜,不同支路之間的阻力差距大,因此需要進(jìn)行認(rèn)真的系統(tǒng)初調(diào)節(jié),以免系統(tǒng)水力失調(diào),導(dǎo)致運(yùn)行調(diào)節(jié)無法正常進(jìn)行。
  ● 初調(diào)節(jié)目標(biāo):
  ○ 驗(yàn)證系統(tǒng)可以達(dá)到設(shè)計(jì)工況
  ○ 實(shí)現(xiàn)系統(tǒng)的水力平衡,為運(yùn)行調(diào)節(jié)準(zhǔn)備條件。
  ● 調(diào)節(jié)步驟
  經(jīng)多次調(diào)整,使系統(tǒng)內(nèi)各機(jī)組的流量基本相同(如機(jī)組型號(hào)不同,則各機(jī)組的流量比值應(yīng)基本相同。流量比值=實(shí)際流量/設(shè)計(jì)流量)。且至少1個(gè)機(jī)組的閥門為全開狀態(tài)。
  1、調(diào)整一級(jí)泵系統(tǒng)水力平衡
  2、設(shè)計(jì)頻率整定

Reliance Automate 30 45C305A 45C305 Processor

Texas Instruments 500-5037A

Spirent Adtech AX/4000 401318 Frame Relay DS3 Interface

Wago 750-466 2-CHANNEL ANALOG INPUT MODULE

Siemens 6GK7 342-5DA02-0XE0 6GK73425DA020XE0

Siemens OP37 6AV3 637-1LL00-0FX1 Membrane Keypad

Schneider Modicon NEZA PLC TSX08CD12F8AS in Box Free Ship

Schneider Modicon HelenAudio CD Right as Rain

Schneider Modicon ASB832016 800 Series Module AS-B832-016

Schneider Modicon AS-BDEP-217 USPP ASBDEP217

Schneider Modicon ASBDEP210 8 Pt 120VAC Input Module AS-BDEP-210 Electric

Schneider Modicon -AS-521P-111

Schneider Modicon Discrete Combi - AS-BDAP-220

Schneider Telemecanique ATV58HU90N4 5.5KW 380V FreeShip

Schneider Input Module 8CH 140 ATI 03000 2761

QLogic InfiniBand 12005-PT16 16-Port 40 Gbps QDR Pass-Thru Module for Dell

Siemens 6ES5453-4UA12 6ES5 453-4UA12 SIMATIC S5 453-4 Digital Output Module

SIEMENS 6DD1606-0AD0 6DD16060AD0 Board T400

Mercedes Telephone Communication Module A2038205826

SIEMENS SIMODRIVE 6SN1123-1AA00-0EA1

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

SIEMENS /MOORE 39ACM24BEN/16139-215 ADVANCED CONTROL MODULE XLNT

Allen-Bradley SLC-500 TRIAC OUTPUT MODULE 85 - 265VAC 50/60Hz 1746-OA16 Ser. B

Allen Bradley SLC 500 1746 OG16 ser. C Output Module

ABB ROBOTICS SERVO MOTOR,PS130/6-200-P-LSS-4101

A06B-0147-B084#7075 FANUC SERVO MOTORS

0-51879-5 PRL GATE AMP PGAF

OKUMA 1006-1216-71-039 USPP 1006121671039

ALLEN BRADLEY 1756-L62 USPP 1756L62

ALLEN BRADLEY 1336F-BRF150-AA-EN-GMS1 USPP 1336FBRF150AAENG

GENERAL ELECTRIC CR306G002 NSFP CR306G002

SYMAX 8020-SCP-544 NSFP 8020SCP544

SIEMENS OP-20/220-5 USPP OP202205

CARRIER HK50AA001 USPP HK50AA001

Siemens 6ES5 948-3UA11 6ES59483UA11

Siemens Simatic S5 6ES5-470-7LB11 Analog Output Module

SIEMENS 6ES5-725-0AK00 NSFP 6ES57250AK00

Siemens 6ES5 491-0LA11 USPP 6ES54910LA11

Siemens 6AV6 640-0DA11-0AX0 6AV66400DA110AX0 FreeShip

SIEMENS LOGO 230RC 6ED1 052-1FB00-0BA1 6ED1052-1FB00-0BA1 #1

S HP 4Gb Virtual Connect Fibre Channel 409513-B21

Telemecanique LA8DN11

SIEMENS S5 6ES5 316-8MA12 IM316 Interface Module

Wago 758-874/000-110 WAGO-I/O-IPC-C6 Linux 2.6 codesys visu

SIEMENS 6SE7090-0XX84-0AD1 Card 6SE70900XX840AD1 version 99% , no box

Modicon AS-M84A-001

Schneider Modicon AS-B872-100 ASB872100

Schneider Modicon ASB832016 800 Series Module AS-B832-016

Schneider Modicon AS-B872-002 ASB872-002 Analog 4-20mA Output

Schneider Modicon /Modicon TSX Compact AS-BDAP-217 ASBDAP217

Schneider Modicon DAP 208/AS-BDAP-208

Schneider Modicon AS-J378-000 Modem Assembly / GOULD

SCHNEIDER ELECTRIC ZB4BW0G31 INDICATOR LED PANEL MNT GREEN 120V

SIEMENS 6ES5 431-8MA11 6ES54318MA11 24VDC Input ModuleXLNT

Rigol Digital Color Oscilloscope 60MHz dual CH DS1062CA

SIEMENS A1-106-101-507/R1-106-101-507 CONTROL BOARD XLNT

6FX1120-2CA02

SIEMENS Sinumerik I/0-Modul 6FC3984-3RA

RELAIANCE REMOTE I/O COMMUNICATION MODULE 57C416 57C-416

SIEMENS Driver 6SN1118-0DK23-0AA2 (6SN11180DK230AA2)NIB

SIEMENS SINUMERIK 840D/DE NCU 572.2 6FC5357-0BB21-0AE0 NIB

SIEMENS 6FC3988-7AH13 Display Unit

AllenBradley2711E-T10C6PanelView1000ETouchscreenInterfaceRev.D

Allen Bradley Transformer Pilot Light 800T-P26

ABB IRB 2400 SER 24-29214 ROBOT S4C PLUS CNTRLR TEACH PENDANT W/ MATCHED SET

Advanced Fiber Solutions OLK61-SM-SC, SM source and Meter 1310/1550 SC

(Q3-1) 1 GE SKPA36AT1200 CIRCUIT BREAKER Q3-1

MEASUREX 51401288-200 USPP 51401288200

ALLEN BRADLEY 1336F-BX040-AX-EN-L6 USPP 1336FBX040AXENL6

GEMCO ELECTRIC 1989-A-16-R-12-S-C-M NSPP 1989A16R12SCM

FANUC A16B-3200-0330 USPP A16B32000330

SIEMENS 6ES5-241-3CA13 USPP 6ES52413CA13

RELIANCE ELECTRIC 610113T NSFP 610113T

SIEMENS HMD63F800 USPP HMD63F800

Siemens 6ES5 470-8MA11 6ES54708MA11

Siemens 6ES5-951-7LD21 NSPP 6ES59517LD21

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

Siemens 6ES5 100-8MA01 CPU MODULE 100S5-100U

Siemens S5 6ES5-955-3LF41 POWER SUPPLY Box Marked as Repaired

Siemens C98043-A1604-L3-03 no packaging

siemens 6es5 464-8ma21-50mv S5 analog card free ship

Square D 8030 COM-261

Ricoh GX3050SFN Gelsprinter Lan Ethernet Network Interface Card module 405569

WS-C2960-24LT-L Cisco Catalyst 2960 Switch 24 ports managed

SIEMENS 6ES7332-5HB00-0AB0 6ES7 332-5HB00-0AB0 FreeShip

Siemens SITOP 6EP1961-3BA20

Schleicher UBE 32 ID D 31410062 735 035

Schneider Modicon ASM84A001 Gould Controller AS-M84A-001

Schneider Modicon AS-B555-001 USPP ASB555001

Schneider Modicon AS-W802-012 NSFP ASW802012

Schneider Modicon AS-BMVB259 NSFP ASBMVB259

Schneider Modicon AS-B828-016 Output Module 5V TTL 16POINT

Modicon AEG MM-PMC2-100 Industrial Computer XLNT

Siemens Digital Input Module 6ES5 430-7LA12 33421

Server Enterprise 3500

Siemens OP15 Operator Panels 6AV3515-1EB00 NIB

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

STANDARD COMMUNICATIONS CELLULAR MODULE CMM7700-111

SIEMENS 6SN1-123-1AA00-0BA0 USPP 6SN11231AA000BA0

SIEMENS 6SN1227-2ED10-0HA0 6SN1 227-2ED10-0HA0 Simodrive FM-Stepdrive Controller

SIEMENS 6FC5-247-0AA11-0AA1 NSPP 6FC52470AA110AA1

Advantest Hand Held Programmer

ALLEN-BRADLEY 160-BA03NPS1 1HP 460VAC CONTROL

ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 88266

ADEPT TECH 10337-15200 NSFP 1033715200

(2) Eaton Cutler Hammer 125A CIRCUIT BREAKER FD35K FD3125BP10 6604C36G19

INDRAMAT DKC01.3-040-7-FW NSFP DKC0130407FW

TELEMECANIQUE VSD57CD33N46 NSFP VSD57CD33N46

EUROTHERM DRIVES 591P-0360-500-0011-UK-ARM-0-115-0 USPP 591P03605000011U

CUTLER HAMMER ECN2411CKEA29 NSPP ECN2411CKEA29

RELIANCE ELECTRIC 0-54219-2 USPP 0542192

MODICON MM-PMC3-000 USPP MMPMC3000

ITT H30A2220B20FL USPP H30A2220B20FL

Siemens 6ES5 324-3UA12 IM324 INTERFACE MODULE /BOX

Siemens 6ES5-580-0UA12 NSPP 6ES55800UA12

SIEMENS 6ES5-375-0LA41 NSFP 6ES53750LA41

Siemens 6ES5 375-0LA15 6ES53750LA15 Memory Submodule 8K X 8 Bit -

Siemens AI 5V 6ES5465-4UA13

Siemens 6RA70 PMU Panel C98043-A7005-L1

Siemens TP270-6 6AV6545-0CA10-0AX0 Touch Glass

Siemens 6ES7315-2AF02-0AB0

LUTRON GRAFIK EYE FLOUR DIMMING BAL INTERFACE GRX-FDB1-16A-120 FREE

Yamaha DTX530K 5-Piece Electronic Drum Set with Complete Rack System

Siemens 6ES7 232-0HB00-0XA0 6ES72320HB000XA0

SIEMENS OP7 6AV3607-1JC20-0AX1 NIB

Reliance 0-51831-3

Schneider Modicon AS-B579-001 COUNTER MODULE HI-SPEED CANADA

Schneider Modicon AS-9594-001 NSFP AS9594001

Schneider Modicon AS-P451-581 USPP ASP451581

Schneider Modicon AS-B560-001 USPP ASB560001

Schneider Modicon AS-9534-002/AS9534002 7 Slot Chassis Rack

MODICON SQUARE D TXB TF024510E INTERFACE TXBTF024510E

SIEMENS SIMATIC S5 DIGITAL INPUT MODULE CAT6ES5431-8MA11

Siemens 6ES7 331-7RD00-0AB0 -FS- 6ES73317RD000AB0

Siemens Simatic OP17 6AV3 617-1JC30-0AX1 6AV36171JC300AX1 Panel

SIEMENS 3SF7834-6DD00 NSFP 3SF78346DD00

SIEMENS SINUMERIK OP 032S 6FC5203-0AB20-1AA0

SIEMENS 6SN1123-1AA00-0DA0 SIMO DRIVE

SIEMENS Simodrive 6SN1118-0NH00-0AA1 Servo Control Module

SIEMENS CONTROLLER CARD 6FC5356-0BB11-0AE1

Advantech TPC-650 display panel

ALLEN-BRADLEY 2711-B5A2 Panelview 550 Series F WOW

ABB ACH401602532 ACH400 VARIABLE FREQUENCY AC DRIVE 30HP 480V-AC 41A B225406

ACTERNA JDSU TTC-2000 2510-15SC T-BERD 10GB TEST PAD NETWORK TESTER TTC2000

6ES7151-2AA00-0AB0 Brand , Factory Sealed,

86142A Agilent HP, Optical Spectrum Analyzer, Calibrated, 90 Days

SIEMENS 6SE9-215-8DB40 NSFP 6SE92158DB40

BALDOR KBM3456 NSFP KBM3456

ATLAS COPCO ETVS4-10-10-CTADS USPP ETVS41010CTADS

MODICON AS-884A-111 USPP AS884A111

INDRAMAT TVM2.1-50-220/300-W1/115/220 USPP TVM2150220300W11

BAYSIDE PG115100 NSPP PG115100

YASKAWA ELECTRIC CACR-SRA5AB2ER NSFP CACRSRA5AB2ER

Siemens 6ES5-453-4UA11 USPP 6ES54534UA11

SIEMENS 6ES5 731-1CF00 6ES57311CF00

SIEMENS S5 6ES5 451-4UA11 6ES54514UA11

Siemens S5 Operator Interface OP393 6ES5 393-OUA11

SIEMENS 6ES7-151-1AA03-0AB0

Siemens SCD 1597-ET 6AV8100-1BB00-0AA0

Siemens 3VU1300-1ME00

Horner SNP Interface Module HE693SNP900D for GE 9030

WELLS FARGO EPiC-103 ADDRESSABLE iNTERFACE MODULE ADDRESSABLE iNTERFACE MODULE

SIEMENS 6EP1931-2EC01 POWER SUPPLY 6EP19312EC01

Siemens LOGO! DM16 24 6ED1 055-1CB10-0BA0 in Box

Omron c200h-bc000-v1

Schneider Modicon AS-J200-001 PLC

Schneider Modicon 115V AC Input Module Model AS-B351-001

Schneider Modicon AS-HDTA-201 NSFP ASHDTA201

Schneider Modicon MODICON/ AS-B810-108 ISOLATED OUTPUT MODULE 115VAC XLNT

Schneider Modicon AS-H827-209 PLC rack ASH827209

Schneider Modicon TRUE HIGH OUTPUT MODULE AS-B824-016 ASB824016 24 VDC 16 OUTPUTS

TELEMECANIQUE TSXAEZ414 in Box

Schneider TELEMECANIQUE TSXSCP114 #2

SIEMENS TI PLC OUTPUT MODULE S7 S5 6MT14-40DL 6MT1440DL

SIEMENS 6AV3515-1MA20-1AA0 Operator Interface Panel WOW

SIEMENS Sinumerik 6FX1118-4AB01. I/O Interface Mod .

FANUC IC693CMM311N COMMUNICATIONS CONTROL MODULE

SIEMENS SIMODRIVE PW MODULE 6SN1113-1AB01-0BA1 Ver.C

SIEMENS SIMODRIVE 6SN1145-1BA02-0CA1SINUMETIK 840D NCU-BOX 6FC52476FC53572ZR

SIEMENS MOORE 16210-1-1 RESISTANCE TEMPERATURE MODULE RTM TERMINAL 26381

Allen-Bradley AB 2706-E43J64B1 DataLiner DL40 PLC Operator Interface

ABB / ASEA DSCS 150 DSCS150 57520001-FY SE9608E089

AC TECHNOLOGY DL14020C USPP DL14020C

A06B-6053-H334 FANUC DRIVES REMANUFACTURED

8 AMAT 0021-09104 Cathode liners, MXP+ etch chamber anodized

SAGINAW AV-486506 NSPP AV486506

ALLEN BRADLEY 6180-FLIEHLHTJEZ USPP 6180FLIEHLHTJEZ

ALLEN BRADLEY 2711P-T10C4D2 USPP 2711PT10C4D2

INDRAMAT TRANS01.4/1-109-468-4800 USPP TRANS01411094684

YOKOGAWA PFCD-S5520 USPP PFCDS5520

XYCOM XVME-674 NSFP XVME674

LEVITON LPC-600.1 NSPP LPC6001

Siemens 6ES5-301-3AB11/6ES5301-3AB11 INTERFACE MODULE NIB

SIEMENS 6ES5 420-7LA11 6ES54207LA11

SIEMENS S5 6ES5 306-7LA11 IM306 Interface Module

Siemens CPU Module 24VDC 6ES5-102-8MA01 WOW

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

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

RELEASE SuperMicro X9DRI-F Motherboard FULL MFR

Texas Instruments 5MT11-A05L

TEKTRONIX MTX100A MPEG-2 Recorder Player 160G with Option 02 Interface Module

TV One C2-8120 Corio2 8x2 DVI-U Seamless Switcher

Siemens DCS Module 6DS1318-8AB in Box, Seal opened,

Modicon MM-FMF5-000

Schneider Modicon TSX Compact AS-BDEP-216 Discrete Input

Schneider Modicon ASB881508 800 Series Module AS-B881-508

Schneider Modicon AS-BDNP-023 USPP ASBDNP023

Schneider Modicon AS-BM0T-202

Schneider Modicon -AS-984A-816

Schneider Modicon EXECUTIVE MEMORY CARD AS-E685-90

Schneider TELEMECANIQUE MODICON TSXRKZ02 Exsion Rack

SCHNEIDER DAU202 AS-BDAU-202 TSX COMPACT INPUT MODULE 65

PWR-C45-4200ACV CATALYST 4500 4200W AC DUAL INPUT POWER SUPPLY 1YR - A

SIEMENS 6ES5-451-4UA13/6ES5451-4UA13 DIGITAL OUTPUT MODULE NIB

SIEMENS 6DD1611-0AD0 MEMORY MODULE

MCK Communications E-1000U-SIM Analog EXTender Switch Module

SIEMENS SIMODRIVE 6SN1123-1AB00-0AA0

SIEMENS SINUMERIK 840D 6FC5210-0DA00-0AA0/0AA1

SIEMENS /MOORE 16182-1-3 MBX TRANSITION BOARD 1618213

allen-bradley slc 500 output module 1746-OX8

Allen Bradley Rockwell Automation 3053-1000 Datamyte Operator Interface Panel

ABB S4C S4C+ robot 750K Flexarc welding cell MUST SEE

A06B-0148-B077 FANUC SERVO MOTORS REMANUFACTURED

08114-66506 PCB for Agilent / HP 8114A Pulse Generator

OMRON V530-R160EP USPP V530R160EP

 

來源:工控備件
版權(quán)聲明:工控網(wǎng)轉(zhuǎn)載作品均注明出處,本網(wǎng)未注明出處和轉(zhuǎn)載的,是出于傳遞更多信息之目的,并不意味 著贊同其觀點(diǎn)或證實(shí)其內(nèi)容的真實(shí)性。如轉(zhuǎn)載作品侵犯作者署名權(quán),或有其他諸如版權(quán)、肖像權(quán)、知識(shí)產(chǎn)權(quán)等方面的傷害,并非本網(wǎng)故意為之,在接到相關(guān)權(quán)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