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地鐵屏蔽門系統(tǒng)它沿地鐵站臺(tái)設(shè)置，在列車與站臺(tái)候車室安裝隔離的玻璃幕墻，只有在地鐵到站時(shí)，才會(huì)和列車門同開同閉，嚴(yán)絲合縫，這樣一來，乘客只能通過這道門進(jìn)出列車，而不能到達(dá)軌道等有危險(xiǎn)的地方;并且地鐵屏蔽門系統(tǒng)具有的節(jié)能、環(huán)保和安全功能，減少了站臺(tái)區(qū)與軌行區(qū)之間冷熱氣流的交換，降低了環(huán)控系統(tǒng)的運(yùn)營能耗，從而節(jié)約了營運(yùn)成本。是現(xiàn)代化地鐵工程的必備設(shè)施。
　工程概況
　　南京地鐵一號(hào)線全長(zhǎng)21.72公里，南起河西新區(qū)奧體中心，經(jīng)小行、中華門、新街口、鼓樓、玄武門、南京火車站，止于邁皋橋站，共設(shè)車站16座，其中地下車站11座，地面及高架車站5座，貫穿南京市主城區(qū)南北向中軸線。
　　解決方案
　　地鐵車站的環(huán)境特殊，有較強(qiáng)的短期高電磁輻射現(xiàn)象存在。在充分考慮其可靠性、易維護(hù)性及可擴(kuò)展性，并具備故障診斷、在線修改等功能要求下，結(jié)合工藝需求，對(duì)系統(tǒng)的軟硬件充分遵循模塊化和冗余設(shè)計(jì)的原則。根椐地鐵的特殊要求，采用施耐德電氣公司MODICON系列可編程序控制器，提供全冗余解決方案。施耐德電氣MODICON系列PLC在冗余技術(shù)上世界領(lǐng)先，提供極高的可靠性和世界一流的冗余技術(shù)。冗余的實(shí)現(xiàn)無需軟件編程，大大減少人為因素對(duì)熱備性能的影響。硬件系統(tǒng)采用模塊化的結(jié)構(gòu)，所有模塊和系統(tǒng)組件均能帶電插拔，實(shí)現(xiàn)現(xiàn)場(chǎng)區(qū)域控制器的配置，完成數(shù)據(jù)采集、實(shí)時(shí)控制、數(shù)據(jù)通訊的功能。保證了控制系統(tǒng)運(yùn)行的連續(xù)性，大大提高了系統(tǒng)的整體安全可靠性。
　　屏蔽門控制系統(tǒng)網(wǎng)絡(luò)采用國頒標(biāo)準(zhǔn)MODBUS TCP/IP工業(yè)以太網(wǎng)技術(shù)，將 DCU作為網(wǎng)絡(luò)節(jié)點(diǎn)掛接在系統(tǒng)上，工業(yè)以太網(wǎng)的10M/100M的自適應(yīng)傳輸速度、高可靠的短幀傳輸充分滿足地鐵運(yùn)營對(duì)安全門的工作要求，通過網(wǎng)絡(luò)上的監(jiān)控主機(jī)/DCU等設(shè)備實(shí)現(xiàn)對(duì)安全門的基本控制、參數(shù)修改、報(bào)警、顯示、監(jiān)控等功能。

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ALLEN BRADLEY 1326AB-B430E-21-K4L USPP 1326ABB430E21K4L

GENERAL ELECTRIC 12JBCG53K6A USPP 12JBCG53K6A

SQUARE D 9070-SK3000G2D1G13P1 NSFP 9070SK3000G2D1G1

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ASEA BROWN BOVERI 264C901A07 NSFP 264C901A07

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TB WOODS WF2C4020-0N USPP WF2C40200N

DATAMYTE 953-07 USPP 95307

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PACIFIC SCIENTIFIC R67HENA-R2-NS-NV-00 NSFP R67HENAR2NSNV00

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GETTYS DR-D005-001 NSFP DRD005001

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MITSUBISHI MDS-B-SP-550 NSPP MDSBSP550

INDRAMAT MAC112B-N-030-N7L-130PBD USPP MAC112BN030N7L13

AMP 220144-1 USPP 2201441

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Omron 3G2A5-LK009

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Schneider Modicon AS-BDAP-210 OUTPUT MODULE

Schneider Modicon PROGRAMMABLE CONTROLLER PC-0984-385 PROM ID AS-C950-110

Telemecanique ATV58HD64N4X 45KW Inverter

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A-B MCC BULLETIN 2100 1336F-B040-AN-EN 40HP DRIVE

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750' Aluminum URD earlham 4/0 4/0 4/0 4/0 Cable burial American Wire 600 Voltage

RELIANCE ELECTRIC 86487-S USPP 86487S

ALLEN BRADLEY 506053 NSPP 506053

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