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ˮˮԶSCADA

Ô´Ô´  2010118   Ô´ã¿¼Í¨,δ
Ô¶SCADASupervisory Control and Data AcquisitionֳƼңң⡢ңءңšңڸˮҵõ㷺ӦãȡõľЧЧ棬γ츣IJҵģָüķչøˮԶгٽԶҵķչһʮĹΪˣĶԸüש֮Ŀġ
1SCADAϵͳļ
SCADA3C+SComputerCommunicationControlSensorϡּչܿ죬Ƴ¼²ƷͬʱܶɼͲƷҲܱ̭ˡβ¹¼²ƷڸˮˮĹǿ󡢿ɿǿõֳװ桢ڲά۸SCADAϵͳǸˮҵͻҪҲSCADAϵͳ̵Σ¾3C+S£
Computer
ЩPCÿһһٶȷٷչǿӲƽ̨Ƶ300MÏ£CPUMMXÚ´128MÏ¡10GϵӲ̺͸CDROMDVDROMȣ֧ŲϸµӴϵͳWindows缼ǿPCϵͳƽ̨ȰDOSķգ˼̲PCΣʹPCõ˹㷺ӦãΪ߹ܵĪSCADAϵͳ֪SCADAϵͳPCÒªMasterƵġ೧ҶƳ˻Windowsfor SCADA̬Щƽ̨ϿˮصݲɼṩPLC豸ͨѶDriverݽDDEܼOLEȵȣݴʾݼ¼ȹõͼλ˻棬MMI߱ƷͿƹܡΪˮŻȡܽṩ˾ƾֶΡPC繦Ϊ༶SCADAϵͳĽͲˮṩ˺ܶ벻ĹܡSCADAϵͳвϸPCӲƽ̨ռS CADAϵͳѵı̫󣬵SCADAĹɿӰϴ󣬼ǿĽͶǺġ
ĿǰڵҪǻûйרΪˮԶfor SCADA̬̬ͨĹü۸Ϲ֯淶׼۸СڸˮSCADA Ì¬
Ź㷺ǰҲǽйˮԶϵͳChina SCADAÒªÚ¡
2ͨѶCommunication
ͨѶ豸ѡǹSCADAϵͳḻʵIJ֣SCADAϵͳǷͨѶѡʮҪڸͨѶ֮ڻͨͼȥ˵ʮѶֻ©ٳġΪ㣬ֻǣǿؼԷࡣ
1ç¼¼LAN WANINTranet
ȨҰ缼ΪSCADAͨѶһ֡TCP/IPļ绥չء·šмԶ̷ʷ񣻻ڴ洢ıݽڿݿķʼȹɿϢʵⲿӦSCADAϵͳϹ㲿֣ﲻ
2л
RS232RS485Ô¼USBUniversal Serial BUSǰǴ֪ģUSBǽƳĸЧʡ弴áлĽӿڡ
1.2.3ß±×¼Bitbus Profibus PROWAYC PHOEBUS HART CAN Dupline L2 Modbus SDS ControlNET FIP SERCOS FF LonworksÈ¡ Ï¶Ö²ß±×¼ÏµÍ¸SCA DAϵͳ֮УرֳDZ Ö®Í¨Ñ¶Ó¦Ê®Ö¹ã·º
1.2.4ͨѶ
΢ƵͨѶͨѶҿͨѶ̲ͨѶ̲ͨѶGSMCDMA˫Ѱȡ Í¨Ñ¶Ð©Ç¹Ó¦Ã£Ò»Ó¦Ã¶Ç³Ì²200MHzͨѶرӦָǣڷչ˫ѰΪɸˮSCADAеIJѹնˣˮԴȺͳˮSCADAϵͳͨŽʮҪãǼȿɿ۵ͨѶֶΡ
1.2.5ͨѶ
1PSDN ISDNBISDNرBISDNۺϿ뻧̵ֵҵñ£¬½Ø·Ë®SCADAϵͳͨѶܵĽ裬磬ѹ㡢ˮԴˮվȡ
2Խһ˫ʡPLC̺ͨѶ̶ֱƶ˷պͿŵͨѶϵͳЭ飬ӦIJƷӦɫRAD˾6DCMODEMGE fanucG enius BUSÔ¼ÓµL2ȣΪSCADAϵͳṩõֶͨΡھˮˮڵSCADAϵͳеõ㷺Ӧá
1.2.6زͨѶ
ز꣬±ӹ˾ӦزͨѶ豸ۣŸüнϺǰھˮˮڵSCADAмӦãò߼ɹϵͳ
1.2.7ͨѶ
ͨߴ߿ϢͨѶеõ㷺ӦáSCADAϵͳҲѾ߱Ӧ¹˹˾HIRSCHMANNOZD485ڹ⪲485ЭתڣPartylineSINECL1L2UnitelwayGEbusModbus+BitBusPROFIBUSPNETCANȶЭ顣ģ豸ۼֻˡɼͨSCADAеӦѴﵽʵˮƽ
ιõSCADAϵͳͨѶѡءڸͨżչܿ죬ͨżгķչ𲽽˿ɿ۵ƽ̨SCADAϵͳҪȽͨѶ
1.3Æ£Control
ָ豸ΪSCADAϵͳSlaveλԶնRT UֳװãҲרõRTUDZܿԼPLCϵͳͳλƵԪ豸
ÿһSCADAϵͳж̨SCADAϵͳĿɿԺͼ۸Ӱ졣ʮˮSCA DAϵͳγ˲ģʽPC+PLCģʽPC+Ƭ Ä£Ê½È«ÚµPC+RTUģʽȡ
1.3.1PC+PLCģʽ
̸ֻƲ֣PLC.Һ͸ͺŵPLCһϵлƷϵͳƽ̨ԼյпŽӿڡƹܶԣPLCϽ㡢װװױ̣ɿԸߵļƷṩӲˮƽϵͳƽ̨ѧ׶Ӧƽ̨ûƽ̨Ӧ˳߼ƺิӼ㷽ǾƾġҹģԽھԽ㡣ڸˮSCADAϵͳУˮˮ̿ƣˮ̿ƣˮվϵͳƺԶ̵ˮж÷ĿƵȷ޿ơPLC È±Ú¸Ë®SCADAҲ¶ţģݲɼĸ߼λ˪߼λСPLC޷ʵʷ¼׷䣨SOEܵȷ棬ڸˮSCADAϵͳеӦܵơSCADAϵͳУ޷һѹնֻһģPLCԴ˷ѣӦ˵زPC+PLCSCADAϵͳ
1.3.2PC+Ƭģʽ
ֻйصĵƬλʮƬɸˮSCADAϵͳλZ8080318098ɵĿǰΪ80C196ĵƬֿеλ˾ƵĵƬSCADAϵͳRTUʼûиıĿƵģʽַʽµƬRT UûౣܣͬһλڲҲౣܣķʽַռάȱƻ˵ƬԴ˵ƬRTU۵Ĺ󡣾ϤΪֹÿһƬװõۼ۶ǧԪ֮ޣһƬƬCPUżʮԪҡȻ֮P LCRTUȣƬǼλġƬRTUֻѹնˡòµ¥µË®Ô´ÆºÍ¼òµ¥»Ý²É¼Ó¦Ö¸Ç£Ä¿Ç°Ú¸ÃµÆ¬RTUÖ»Ö§RS232RS485200MHzͨѶ˿ЧͨЭĽӿӦ⡣ΪֹûڸˮSCADAİϵͳƽ̨ƵƷĵƬRTUƷʮƬRTUĹ㷺ӦøSCADAûһӦάԱЩԱǸˮSCADAչıԴǸˮԶҵһ֡
1.3.3PC+RTUģʽ
ϤһRTUһѹݼ⣬еҪ6Ԫ֮ޣһ󣬲
1.3.4ģʽ
PLC͵ƬRTUɻSCADAλĿǰϵͳ
ֳִл
ֳܻSCADAϵͳࡣڸˮSCADAʹöDZƵװãװöƸˮգǿտɿԼܽĵȷ涼źܺõáֳܻѹȵȣӦڴװУֳװһSC ADAϵͳSlave֮¡ЩֱλPCͨѶϵͳ
ƼΪSCADAϵͳص㹤Ϊֹûһ淶ûб׼IJƷھ幹SCADAϵͳʱҪɳнߺߵˮƽö⣬IJϷչ£Ҳûб׼淶ԭ֮һSCADAϵͳλƽ̨Ĺ淶׼ǽͼλSCADAϵͳĹؼ
1.4УSensor
ڸˮSCADAϵͳֳ㣬װഫִлSCADAϵͳֳݲɼִС
ɷΪͺͷࡣɵı׼źתͷǵ׼źתʹʹĹ֮⣬ϡޱãʾ߼ƣPIDڵȹܡµܴ󶼾ijֳ߹ܣSCADAλPCλƵԪͨѶSCADAϵͳڸˮSCADAгõĴҪУˮλѹ¶ȡʪȡǶȡȡBODCODѹʡȡcosաԼӽءλءˮλء̵ȡǰ꣬ձûйأˮSCADAĴǹ⴫̵¡
ˮгƳ˴ĹIJƷ˵SCADA Ò²Ç³É¹Ä»Ú¡
ˮԶSCADAг
ˮԶгɹ˫ɡҪɴSCADAϵͳɼصij̹ɣ跽Ϊˮ˾ˮˮصĴͳȡ
跽г
ҹг600ÿжһˮԶгվʹҵ򣬶ɹĸˮԶг跽гԭ跽ˮSCADAϵͳĶ£
2.1.1Ô­
1ˮˮСˮԼꡣSCADAϵͳʵˮʴҪֶ֮һ
2ˮƶطɣˮŷţSCADAϵͳʵִŷŵҪֶ֮һ
2.1.2Ô­
һϵͳ豸ѡءѧϵͳãɿSCADAϵͳΪˮSCADA跽ڼԱܡġǿȷõľЧ档
2.1.3˾
ܶûǹ˾SCADAϵͳ
2.1.4ͶʷҪ
ںܶྻˮˮͳΪͶʣԭSCADAϵͳͶʷҪSCADAϵͳ
2.2гԹ跽г͸ӵ跽ԭƱɸӵĹггĶͲˡгȨҰ豸Ӧ̹ɵһгϵͳ̹ɵĶг
2.2.1SCADA豸Ӧһг
һгΧ豸ӲӦ̣豸Ӧ̣ͨѶ豸Ӧ̣豸Ӧ̣PLCȣִлӦ̣Ӧ̣Ӧ̣ԴӦ̵ȡ
2.2.2ϵͳ̣Զ̳а̣ɵĶг
1SCADAϵͳרҵɣ
2ϵͳϵͳɣ
3еλԼӲװõĹ̳а̣
4跽ûԼаSCADAϵͳɣ
5ת̡
ϵͳʵģϷչĹ˾ҲĿĵλЩ̳нԶϵͳʮ־޴ﲻ Դ:Դ-࿼

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