<tr id="stl47"><source id="stl47"></source></tr>

<form id="stl47"><span id="stl47"><track id="stl47"></track></span></form>
<wbr id="stl47"></wbr>
    <form id="stl47"></form>
      <sub id="stl47"></sub>
        <tr id="stl47"></tr>
      1. <form id="stl47"></form>
        <form id="stl47"><th id="stl47"><noscript id="stl47"></noscript></th></form>

          <sub id="stl47"></sub><table id="stl47"><th id="stl47"><track id="stl47"></track></th></table>
            TSXFANA4P
            發布者:工控備件  發布時間:2019-08-22 11:45:13  訪問次數:107

            TSXFANA4P現貨 in stock! 歡迎來電咨詢~!!

            TSXFANA4P


             廣州地鐵三號線集中冷站系統構成及特點
              廣州地鐵三號線集中冷站采用了施耐德高端PL C QUANTUM 控制器系列,對集中冷站和車站進行控制,各車站與集中冷站之間采用多模光纖以太網通訊方式,通訊協議為MODBUS TCP .大大保證了通訊速率和通訊信息量的要求,同時也保證了通訊距離和系統的安全可靠性。送排風及空調系統采用變頻器調節風量,水系統二次泵也均采用變頻器調節。變頻器與通過Modbus通訊接口接入就地遠程I/O箱的遠程通訊模塊上,大大減少了通訊線的距離,避免了干擾。
              ● 集中冷站系統構成
              ○ 集中冷站供冷系統由集中冷站,傳輸管道和末端設備構成
              ○ 其中供冷系統圖如圖1-1,冷站系統圖如圖1-2
            集中冷站系統特點
              與分站供冷方式相比,集中冷站供冷系統需要為多個車站供冷,在供冷范圍和數量上都要大得多,有以下幾個主要特點:
              ● 冷凍水傳輸距離長。一般地鐵站距在1000米左右,本系統為6個車站供冷,冷凍水傳輸距離將達 2000~3000米。長距離傳輸,管路的阻力大為增加,并且系統的熱惰性加大,增大了系統的調節難度
              ● 末端設備數量多,供冷管路形成網絡。由于各站的負荷情況不同,系統調節時易導致出現相互影響,需考慮整個網絡的整體水力平衡
              ● 集中冷站供冷系統的制冷部分,通常采用多機組,二級泵的形式。這種形式適應了長距離管路輸送阻力較大的情況,能夠減小末端系統對冷機的影響。但是增加了泵的數量和管路復雜性,使調節控制的難度加大
              調節控制方法與策略
              調節控制手段
              ● 廣州地鐵三號線集中供冷系統中,PLC采用的調節控制手段有:
              ○ 風機變頻變風量(末端設備)
              ○ 水泵變頻變水量
             ○ 水閥調水量
              ○ 質調節
              調控手段的選擇
              由于管路很長,冷凍水從集中冷站到末端設備需要運行數十分鐘,如果采用質調節,則調節時滯太大。因此在實時控制中,主要采用量調節的方式(包括風量調節和水量調節)。質調節則采用開環方式,根據外溫或季節確定冷凍水溫,并在一定時間內(比如1天內)保持相對穩定。
              二級泵管路長,阻力大,且流量直接受末端負荷的影響,因此二級泵采用變頻調節,可以達到較好的節能效果。同時為了保證通過冷水機組的水量,一級泵采用定速泵,并與冷機對應運行,不進行變頻調節。
              從節能的角度考慮,優先考慮節能效果較好的風機變頻和水泵變頻調節,盡量少使用水閥調水量的方法。
              控制調節的策略
              初調節
              集中冷站供冷的管路復雜,不同支路之間的阻力差距大,因此需要進行認真的系統初調節,以免系統水力失調,導致運行調節無法正常進行。
              ● 初調節目標:
              ○ 驗證系統可以達到設計工況
              ○ 實現系統的水力平衡,為運行調節準備條件。
              ● 調節步驟
              經多次調整,使系統內各機組的流量基本相同(如機組型號不同,則各機組的流量比值應基本相同。流量比值=實際流量/設計流量)。且至少1個機組的閥門為全開狀態。
              1、調整一級泵系統水力平衡
              2、設計頻率整定

            SIEMENS 505-4532 OUTPUT MODULE

            SIEMENS Sinumerik 6FC5210-0DF20-0AA0 PCU 50 Qty 1

            LAWN 100-RSL Lawn 100RSL Communication Module - Without Power Cord -

            SIEMENS 6SN1146-1AB00-0BA0 6SN11461AB000BA0 SimoDrive

            SIEMENS SINUMERIK 840C HARD DISK 6FC5147-0AA13-0AA1

            SIEMENS 6FC5-111-0CA02-0AA2 USPP 6FC51110CA020AA2

            Allen-Bradley PanelView 1200 Operator Interface 2711TC1MC

            Allen Bradley Solid State Timer Relay 700-RTC00000U1 WARRANTY

            ABB 57288531 MEM 86-192K Memory Allen Bradley Stromberg 200039

            Acme T-1-53347-3S 225 KVA 480 to 240/120V 3PH Transformer N1 Reconditioned

            Aaronia EMI HyperLog 20300 Antenna -

            8500-E153 ALLEN BRADLEY PLC MODULES

            SIEMENS 6FX1-132-8BB01 USPP 6FX11328BB01

            ASEA BROWN BOVERI PM665 NSFP PM665

            ASEA BROWN BOVERI 57310001-BY USPP 57310001BY

            MITSUBISHI FR-Z320-22K NSPP FRZ32022K

            INDRAMAT KDA3.2-050-3-AP0-U1 USPP KDA320503AP0U1

            ALLEN BRADLEY 809-A13E USPP 809A13E

            SYMAX 3844-002 USPP 3844002

            Siemens 6ES5-432-4UA12 NSFP 6ES54324UA12

            SIEMENS 6ES5 465-4UA12 6ES54654UA12

            SIEMENS -ALLIS 6ES5-605-0RU11

            Siemens S5 6ES5 377-0AA32 64K RAM

            Siemens 6ES7 416-2XN05-0AB0 6ES74162XN050AB0 NIB

            Siemens RLU236

            Promise Removable Device PR401US Pegasus R4 4TB RAID System 4x1TB SATA

            HONDA 2002 03 04 05 06 07 08 09 iPOD iPHONE 3.5MM AUX INTERFACE MODULE US SELLER

            Velleman VM110N USB Interface Card Module Education Hobby Kits Educational Ki

            Siemens 6AV7 723-2AB10-0AG0 PC670 Membrane Keypad ping Worldwide

            Siemens Logo 6ED1056-1DA00-0BA0 6ED1 056-1DA00-0BA0

            Omron 3G2A5-ID213

            Schneider Modicon AS-P964-000 Data Access Panel

            Schneider Modicon AS-P371-002 MEMORY MODULE CPU PROGRAM

            Schneider Modicon AS-EM85-000 NSFP ASEM85000

            Schneider Modicon GOULD POWER MODULE OUTPUT B570 AS-B570-001

            Schneider Modicon AS-BDAP-208

            Schneider Modicon PROCESSOR MODULE PC-0984-480 AS-9508-000

            Telemecanique Analog Input Module TSXAEZ802 TSX AEZ 802

            Schneider Telemecanique Circuit Breaker GV2-RS07 C NIB

            Siemens6ES7222-1EF00-0XA0EM222OutputModule

            Siemens 6AV6542-0BB15-2AX0 OP170B 6AV65420BB152AX0 Fast Shipping

            SIEMENS Sinumerik 6EV3053-0DC. Power Supply Module.

            GE Fanuc IC600CB536L Communications Control Module

            SIEMENS With Kompass KBX-151L

            SIEMENS SINUMERIK 6FC3538-3EF 6FC35383EF USED

            SIEMENS Moore Industries DCA/1-5V/SX1/117AC DC CURRENT ALARM

            ALLENBRADLEY FLEX I/O ANALOG OUTPUT MODULE CAT:1794-OF4I

            AB ALLEN BRADLEY 803-A64X ROTARY CAM SWITCH SER. A

            AC Motor Control Drive - 50 HP - 480 Volt - Three Phase Input

            A06B-0502-B755 FANUC SERVO MOTORS REMANUFACTURED

            75 KVA Transformer 3 ph Federal Pacific 480V Primary 208V Secondary Built

            RELIANCE ELECTRIC 86466-59SCR NSPP 8646659S

            ALLEN BRADLEY 4100-234-R USPP 4100234R

            ALLEN BRADLEY 1785-L20C15 USPP 1785L20C15

            INDRAMAT CLM01-L-R-004.1 USPP CLM01LR0041

            YAMATAKE 82114930-002 NSFP 82114930002

            TSXFANA4P

            UNITED TECHNOLOGIES TV612012S USPP TV612012S

            HONEYWELL 30731720-001 USPP 30731720001

            Siemens 6ES5-242-1AA32/6ES5242-1AA32 SIMATIC COUNTER MODULE XLNT

            SIEMENS 6ES5 375-8LA12 6ES53758LA12

            SIEMENS Digital Output Module 6ES5 440-8MA22 Appears to be

            Siemens 6ES5 998-1DB21 NSPP 6ES59981DB21

            SIEMENS 6ES5470-8MA12 6ES54708MA12

            Siemens MP277-10 6AV6 643-0DD01-1AX1 Touch Glass

            RELIANCE ELECTRIC 0-57405-E USPP 057405E

            Texas Instruments 500-5055

            Square D NEHB442ASP-N Power Interface Module Make An Offer

            Unisphere Juniper CT1-Full CT1_I/O ERX 1400 90 Free Overnight Ship

            Siemens Card 6ES7793-2AA00-0AA0 6ES7 793-2AA00-0AA0

            Modicon AS-W904-015

            Schneider Modicon 38489 In box AS-BDAU-202 Output Module 10V

            Schneider Modicon PC-A984-120 with3 DEP 216/AS-BDEP-216 ON DTA 200 RACK 30DAY WARRANTY

            Schneider Modicon AS-BDAP-258 USPP ASBDAP258

            Schneider Modicon AS-BADU-206

            Schneider Modicon /Schneider AS-B872-100/ASB872100 Analog Output NICE OFFERS ACCEPTED

            Schneider Modicon COMM. PROCESSOR MODULE AS-C921-000

            Schneider Modicon TSXP575634M in Box

            SCHNEIDER TSX MICRO TSXDEZ08A4 DISCRETE INPUT MODULE

            Rare MARANTZ 750A 6 MonoBlocks INDEPENDENT 3 Way SYSTEM

            SIEMENS 6ES5-458-7LB11/6ES5458-7LB11 OUTPUT MODULE XLNT

            SIEMENS SINUMERIK OP010 6FC5203-0AF00-0AA0 MembraKeypad

            Mitsubishi MELSEC A1S-D51S A1SD51S Communication Module PLC Programmable

            SIEMENS Simodrive 6SN1118-0AE11-0AA0 Module

            SIEMENS Sinumerik FPCI/ISA 6FC5247-0AA02-1AA0 6FC5 247

            SIEMENS 6FC5203-0AB00-0AA0 Sinumerik OP030 Free Ship

            ALLENBRADLEY1734-OB4EOUTPUTMODULE

            Allen Bradley SLC 500 1747-L40A Processor Output Module Good Condition

            ABB ROBOT SERVO 3HAC0468-1

            A06B-0143-B175 FANUC SERVO MOTORS REMANUFACTURED

            0021-21589 CLAMP RING, 8" SNNF, PADDED, MASKS HTHU

            MODICON PC-E984-385 NSFP PCE984385

            ALLEN BRADLEY 150B360NBDD USPP 150B360NBDD

            ALLEN BRADLEY 1326AB-C2C-21-4888A USPP 1326ABC2C214888A

            GENERAL ELECTRIC 331X232ACG03 USPP 331X232ACG03

            SQUARE D HDMPM21012188 NSFP HDMPM21012188

            SIEMENS 6SC9811-2BE30 USPP 6SC98112BE30

            ASEA BROWN BOVERI 68789010P FNFP 68789010P

            Siemens 6ES5 943-7UB11 6ES5943-7UB11 Free Ship

            Siemens Simatic S5 6ES5 460-4UA13 Module 6ES5-460-4UA13

            SIEMENS 6ES5-700-2LA12 USPP 6ES57002LA12

            Siemens 6ES5 458-4UA12/6ES54584UA12 Output SEALED OFFERS ACCEPTED

            Siemens 6AF7001-7DD 6AF70017DD in box

            Siemens HMI TP170/OP170 to PC RS-232 Programming Cable

            SANS DIGITAL MR4UT 4-bay hot-swap hardware RAID storage

            Square D fhl3610018m

            SIEMENS HTRI-M INTERFACE MODULE FREE

            SERIES C F/W REV B PKG 2011 QTY

            Siemens 6SE7021-3TB61-Z

            Siemens TP7 6AV3607-1NH01-0AX0 Touch Panel in Box

            Schneider Modicon DEP210/AS-BDEP-210 INPUT MODULE NIB

            Schneider Modicon AS-B885-002 COMMUNICATION MODULE ASB885002

            Schneider Modicon AS-B838 ASB838 Fast Shipping

            Schneider Modicon AS-B236-501 ASB236501 MODULE OUTPUT

            Schneider Modicon B805 AS-B805-016 AC Input Module

            Schneider Modicon AS-H827-100 11 SLOT RACK

            SCHNEIDER OUTPUT MODULE TSX ASY 410 TSXASY410

            SIEMENS 6ES5430-3BA11 DIGITAL INPUT MODULE

            Roland fantom XR

            SIEMENS CONTROL MONITOR M IPC3510A300MGT TOUCH SCREEN

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

            RELIANCE ELECTRIC NETWORK COMMUNICATION MODULE 57404-1 57-404-1 57404-1F "AS-IS"

            SIEMENS CONTROLLER CARD 6SN1118-0AD11-0AA1

            SIEMENS SIMODRIVE POWER MODULE 6SN1123-1AA00-0EA2

            SIEMENS 6FC5110-0CB01-0AA0 6FC51140CB010AA0 version E

            AllenBradley2711P-RP6A

            Allen Bradley Versaview 1500P 6181P-15TPXPHSS Rev A Ser C For Windows XP AB/COA

            ABB Floppy Disk Module DSMD-113 DSMD 113 5736 045-N

            Advanced Energy B5181854DD Pinnacle 8 kW DC Power Supply

            (M3) 1 ED5-02B 614-000-8 BOARD M3

            MARPOSS 3413024000 NSPP 3413024000

            ALLEN BRADLEY 1334-GOB USPP 1334GOB

            GE FANUC IC3600LSRB1 USPP IC3600LSRB1

            FANUC A06B-6058-H223 USPP A06B6058H223

            SIEMENS 1PH7107-2MG02-0BJ3 USPP 1PH71072MG020BJ3

            RELIANCE ELECTRIC 0-846181-1R NSPP 08461811R

            SIEMENS 6EC1110-0A USPP 6EC11100A

            Siemens 6ES5 466-4UA11 6ES54664UA11

            Siemens 6ES5-944-7UA21 USPP 6ES59447UA21

            SIEMENS 6ES5-435-7LA11 NSPP 6ES54357LA11

            Siemens 6ES5 701 1LA12 EXPANSION RACK ER1 6ES57011LA12

            Siemens S5 6ES5 928-3UA12 6ES59283UA12

            Siemens C79451-A3276-B55

            SIEMENS 6ES5-305-7LB11 NSPP 6ES53057LB11

            Square D 8020 SCP-321

            NUM Interface Module 32 E _ 263202926 _ 2632O2926

            WS-C3750G-48TS-S CISCO 3750G-48TS SWICTH W/1 YR -WSC3750G48TSS

            Siemens 6ES7232-0HB20-0XA0 6ES72320HB200XA0 FreeShip

            SIEMENS SIMATIC PANEL PC870 6AU7705-3CA40-0AA0 Membrane Keypad

            Reliance 61C22A

            Schneider Modicon ASWBXT201 Compact Primary Rack AS-WBXT-201

            Schneider Modicon AS-B374-001 NSFP ASB374001

            Schneider Modicon AS-T584-002 USPP AST584002

            Schneider Modicon AS-BDAP-210 OUTPUT MODULE 8 POINT 24-230VAC

            Schneider Modicon AS-B824-000 I/O MODULE / 24 vdc output

            MODICON AS-B355-001 OUTPUT MODULE OLD STOCK FREE SAME DAY SHIPPING USA

            Siemens Input Module 6ES5 430-7LA12

            Siemens 505-4232 Input Module 5054232

            SIEMENS OUTPUT MODULE 2AMP 24VDC 1P 6ES7 132-4BB30-0AA0

            SIEMENS Simodrive Sinumerik 6SC 6100-0GB11 Power Supply Board

            TELEMECANIQUE TSX-SCM-2111 COMMUNICATION MODULE TSXSCM2111

            SIEMENS 6SN1118-0DM21-0AA0 6SN11180DM210AA0 SimoDrive

            SIEMENS SIMODRIVE (POWER SUPPLY) 6SN1145-1AA01-0AA1

            SIEMENS 6FC5357-0BB12-0AE0 SINUMERIK 840D 6FC5247-0AA00-0AA3

            Advantech PCM-5825

            ALLEN-BRADLEY 1746-OVP16 SLC 500 OUTPUT MODULE SERIES C 20.4-26.4 VDC

            ABB BAILEY SYMPHONY CONTROLS DIGITAL IMASI23 ANALOG INPUT SLAVE MODULE 84813

            ADEPT TECH 10330-00500 USPP 1033000500

            (#3593) Siemens Touch Panel TP27 6AV3627-1QK00-0AX0 Display NIB

            HUNKAR LABS 72011 USPP 72011

            TECH MOTIVE TOOL 40054P-7019 USPP 40054P7019

            DOLAN JENNER SS400-10084 USPP SS40010084

            CTC PARKER AUTOMATION P71-3C2-A1-2A3 USPP P713C2A12A3

            PANASONIC YB-020UHD USPP YB020UHD

            MODICON AS-506P-002 USPP AS506P002

            HEWLETT PACKARD TEST & MEASURE 16500A USPP 16500A

            Siemens 6ES5 308-3UC11 6ES53083UC11

            Siemens 6ES5-525-3UA11/6ES5525-3UA11 COMM INTERFACE NIB

            SIEMENS 6ES5-373-0AA21 NSFP 6ES53730AA21

            Siemens 6ES5 234-1AD11 6ES5234-1AD11 6ES52341AD11

            Siemens 6ES5420-3BA11 INPUT MODULE

            Siemens 6GK7-243-1GX00-0XE0 6GK7243-1GX00-0XE0 CP243-1 IT

            Siemens TP177B 6AV6642-0BC01-1AX1 Touchscreen Glass

            Siemens 6ES5726-8BC50

            LANDIS A125093 DRIVES INTERFACE MODULE

            YASKAWA ELECTRIC JAMSC-B1051B NSFP JAMSCB1051B

            SIEMENS 6ES7 222-1HF32-0XA0 6ES7222-1HF32-0XA0 FreeShip

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

            Red Lion RLYBD002

            Schneider Modicon AS-B807-132 Input Module ASB807132

            Schneider Modicon AS-884A-201 Control 3.5K W/ Remote I/O AEG884 Gould

            Schneider Modicon AS-P120-125 NSFP ASP120125

            Schneider Modicon AS-B239-001

            Schneider Modicon AS-521P-008 CNC Memory Board AIPR/UGC

            Modicon XBT FC044610 Telemecanique Magelis 24VDC 35W

            SIEMENS SIMATIC S7 SM338 POS-INPUT MODULE 6ES7 338-4BC01-0AB0

            Telemecanique TWIDO TWDALM3LT

            Siemens Simatic Relay Output Module TI305-05T

            Siemens 9610 9610DC-1155-GZZA Power Meter Display ION Ethernet Access NNB

            SIEMENS Sinumerik Hand Wheel 6FC9320-5DC00

            SIEMENS 6SN1118-1NH01-0AA1 6SN1 118-1NH01-0AA1 SIMODRIVE 611-U Control Unit

            SIEMENS Simodrive 6SN1123-1AA01-0FA1 LT-MODUL INT.200A Version A

            SIEMENS I/O MODULE 6FC3984-3RA 6FC39843RA 64E/32AUSGAEN

            Advantech PCM-3860/64 A1

            ALLEN-BRADLEY 2711-K5A20 PANELVIEW 550 2711K5A20 CLEAN TESTED GOOD COND.

            ABB 5SDD0760D0001 3BHL001862P0001 Thyristor for ACS1000 AC Drive Set of 6

            Acroloop OPS 8000 Motion Control System

            6808104G75 Westinghouse 150HP 460V 3Ph 3560RPM 445TS Frame Life-Line T AC Motor

            8520-3S10A-BAT-EX4-Y-2-3-5-7 ALLEN BRADLEY DRIVES REMANUFACTURED

            SIEMENS 6SE3-121-7DG40 USPP 6SE31217DG40

            AUTRONICA BX-40 USPP BX40

            ASEA BROWN BOVERI DSQC-266C USPP DSQC266C

            MITSUBISHI Q4ACPU USPP Q4ACPU

            INDRAMAT MAC90C-0-GD-4C/110-A0/WI520/S01 USPP MAC90C0GD4C110A0

            ASEA BROWN BOVERI 52820083-LF USPP 52820083LF

            TEXAS INSTRUMENTS PLC 505-2572 USPP 5052572

            Siemens 6ES5-441-4UA14/6ES5441-4YA14 DIG OUT MODULE NIB

            SIEMENS 6ES5 491-0LA12 6ES54910LA12

            SIEMENS S5 6ES5 308-3UB11 6ES53083UB11

            Siemens S5 6ES5 482-8MA13 6ES54828MA13

            SIEMENS 6ES7 621-6BD02-0AE3 SIMATIC C7-621 ASI Worldwide

            Siemens S5 CPU 926 6ES5 926-3KA12 6ES59263KA12

            PowerCore CPCI-3750 Single Board CompactPCI Computer

            Honeywell Ademco 4100SM Serial Interface Module

            Wagner PFM 2007 Primatech Injector Control Module Interface Panel

             

          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  
          国产www在线观看