c650普通车床的plc电气控制系统

毕业设计（论文）毕业设计题目C650普通车床的PLC电气控制系统学生姓名学号系别机电工程系专业机电一体化技术指导教师专业技术职务助教技术学院教务处二一一年七月毕业设计（论文）任务书学生姓名学号年级2009专业机电一体化班级4系部机电工程系毕业设计论文题目C650普通车床的PLC电气控制系统完成日期2011年9月20日设计地点指导教师系部负责人发任务书日期2011年7月1日毕业设计（论文）任务内容一、设计内容1对本课题的总体介绍A1A0A2A3A4A5A6A7A0A8A9A10A11A13A14A12A11A5A6A15A16A18A19A17A20A21A22A24A25A23A26A27A24A29A28A30A31A32A24A34A33A36A35A37A38A39A41A42A40A44A43A45A2A46A47A48A49A50A18A52A47A44A43A45A53A51A54A55A56A2A57A25A23A26A24A33A58A59A35A60A2A61A39A18A17A3A4A5A6A7A0A62A63A64A65A66A67A68A69A2A70A71A41A45A72A73A74A46A75A76A77A79A78A80A81A82A54A79A41A45A72A73A74A85A83A76A77A84A62A86A76A77A18A89A29A29A87A91A92A88A90A93A94A95A25A96A99A74A97A74A98A98A18A102A100A25A96A104A74A74A74A98A98A41A29A101A103A59A107A108A67A89A29A105A106A109A88A110A111A18A76A77A55A56A112A113A114A4A117A118A114A4A48A115A116A114A4A121A48A119A120A114A4A41A118A114A4A122A118A123A75A103A124A125A126A127A128A129A4A29A87A28A109A88A114A4A41A115A116A114A4A122A130A131A129A4A132A133A2A134A135A48A136A135A2A137A138A114A4A41A119A120A114A4A122A139A132A133A2A140A141A142A4A47A29A87A2A89A143A144A145A146A412主要内容A97A147A99A118A10A4A148A151A99A152A64A149A150A153A154A137A14A155A4A41A97A147A97A158A156A118A10A4A148A151A99A160A157A159A161A24A164A135A162A163A114A88A41A167A165A166A18A8A168A29A87A88A4A169A170A95A18A152A64A164A14A6A4A41A97A147A104A147A108A171A168A172A132A173A28A18A158A156A151A99A160A157A159A174A135A39A4A5A6A18A177A166A175A176A178A179A10A180A181A66A182A141A39A4A41A97A147A183A147A118A123A155A4A184A185A18A188A155A4A186A187A189A10A4A148A147A97A147A73A147A56A190A158A2A191A192A48A193A194A18A56A195A149A25A23A2A196A197A10A198A413对完成课题内容的具体要求A104A147A99A147A58A6A10A199A5A6A200A201A202A203A204A197A207A104A147A97A147A208A205A10A199A5A6A206A209A80A207A117A99A121A118A10A198A208A205A207A117A97A121A212A210A5A6A10A198A208A205A207A117A104A121A118A158A11A87A211A213A205A214A207A117A183A121A44A43A45A5A6A10A198A208A205A107A217A215A44A43A45A219A87A216A218A220A221A47A44A43A45A5A6A206A209A10A198A208A205A207A117A73A121A44A43A45A5A6A59A222A208A205A107A7A0A5A6A210A59A80A48A44A43A45A5A6A223A224A80A59A222A207A64A225A226A227A87A48A58A59A227A87A228A59A222A229A179A205A214A148A230A115A231A232A233A234A235A41二、时间安排与要求序号日期（起止日期）设计（论文）工作进度17月2日7月15日收集相关资料及有关专利文献。27月16日7月31日编制电气控制总体方案。38月1日8月15日PLC硬件配置电路。48月16日8月31日PLC状态转移图。PLC控制程序梯形图和指令表，用仿真软件和编程软件将程序录入计算机并进行模拟调试。59月1日9月20日毕业论文撰写。三、其他需要说明的的事项毕业设计（论文）撰写内容与格式要求必须严格按照学院教务处规定的格式执行分别详见附件2和3。在设计过程中,同学们要以严谨的科学态度，求G4466G2031G7044的G12946G12082,G10432G12447G3332G1457G17148G1457G18339G4448G6116毕业设计G1231务。注任务书由指导教师填写C650卧式车床的控制系统的PLC控制改造摘要G2499编程控制G3132G7171在G13499电G3132控制和计算机G6228G7427的G3534G11796G990，G17892G9188G2469G4649起G7481的以G5506处G10714G3132G1038G7692G5527，集G5506电G4388G6228G7427G451G14270G2172G2282G6228G7427G451计算机G6228G7427G17902G1461G6228G7427G1038G980体，以工业G14270G2172G2282控制G1038G11458G7643的G7044G3423控制G16025置。G4439G1867有G13479G7512G12628G2345G451编程方G1427G451G2499G19764G5627G20652G12573G1260G9869，G5062G5203G8879用G1122工业过程和G1313置的G14270G2172控制中。G6466G13491计，G2499编程控制G3132G7171工业G14270G2172G2282G16025置中G5224用G7380G3822的G980G12193设G3803。专G4490G16760G1038，G2499编程控制G3132将G6116G1038G1182G2530工业控制的G1039要G6175G8585和G18337要的G3534G11796设G3803G1055G980，PLCG451机G3132G1166G451CG36G39G18CG36G48将G6116G1038工业G10995G1147的G989G3835G6915G7621。G11013G1122PLCG1867有G4557G1363用G10627G3671G17878G5224G5627G5390的G10317G5627，同G7114G1866内G18108定G7114G3132资G9316G2325分G1028G4512。G4439的G2163G14033G1039要G7171G726控制G2163G14033G451G6980G6466G18331集G451G1660G4396与处G10714G2163G14033G451G17902G1461G451G13864G13605G2163G14033G451G17767入G18G17767G1998G6521G2487调G10714G2163G14033G451G1166机G11040G19766G2163G14033。在G13007G13491G7512G6116G7114，G2499G11013G980G2500计算机与G3822G2500PLCG7512G6116G256集中G12661G10714G451分G6967控制G257的分G5079式控制G13605络，以G1427G4448G6116较G3835规模的复杂控制。本次设计的内容G1039要G7171利用PLC（PROGRAMMABLELOGICCONTROLLER）G4557C650G3423车床的电G3132G18108分进行改造。首先我G4557本设计进行总体的分析，G1363G14270己有G980个G3835致的总体概念，然G2530仔细分析C650车床，G4557车床G1039运G2172和进给运G2172还有G1866G4439的辅助运G2172，进行分析。G7380G2530根G6466控制电路的线路图，编译PLC的梯形图，编译G17902过G2530，利用PLCG4466验G2500进行G4466验仿真。因此G1363C650车床在G4448G6116原有的G2163G14033G10317G9869外，还G1867有安G16025G12628G1427G451稳定G5627好G451易G1122维修G451扩G4649G14033力G5390G12573G10317G9869。关键词G2499编程控制G3132，C650车床，梯形图，电气控制。目录1引言111C650G3423普G17902卧式车床G12628介112C650卧式车床改造G1039要内容32电气控制原理321G1039电路设计422交流控制电路设计53系统元器件的概述与选择831PLC类G3423的G12628介8311PLC的G10317G9869832PLCG3423号的选择933电G2172机选择1034G1866G4439元G3132件的选择11341交流G6521触G3132的选择11342中间G13499电G3132的选择11343G1457护电G3132的选择12344控制开关电G3132的选择124PLC控制电路设计1441PLC的硬件电路框图1442车床控制PLCG17767入G18G17767G1998G6521G2487分配表及电气原G10714图14421车床控制PLCG17767入G18G17767G1998G6521G2487分配表（表41）14422PLC控制原G10714电路设计155C650卧式车床改造为PLC控制的软件设计1651S7200PLC编程软件STEP7G48ICROG18WIN的介绍1652梯形图的设计16521机床工作指示灯开关控制的梯形图设计16522电G2172机G481正G451反转控制梯形图的设计17523电G2172机G481正转G9869G2172控制的设计18524电G2172机G481的正G451反转运行的反G6521制G2172的设计18525快速移G2172电G2172机的控制设计20526冷却泵电G2172机的控制设计20527梯形图中的G1866G4439控制设计2053梯形图2154C650卧式车床程序表226调试2361硬件检查2362G13007G13491综合调试2363G481的正转G9869G2172调试2464G481的正转调试2565G481的反转调试2666G481的反G6521制G2172调试2867G482的起G2172调试2968G482的停止调试2969G483的起G2172调试29总结31致谢32参考文献33A236A237A238A239A240A241A242A243A244A245A246A247A248A244A249A250A236A245A246A251A252A2531引言随着社会G10995G1147力的G2469G4649，传G13491的G13499电G3132控制G13007G13491G5062经不G14033满足当G1182迅猛G2469G4649的社会的现代G2282G10995G1147要求，G1122G7171我们在选毕业设计课题G1055际，G980切从G4466际G1998G2469，选定了毕业设计课题车床PLC控制G13007G13491设计。我们选定了C650车床G1038改造G4557象，进行传G13491控制G13007G13491的改造，以PLC控制G13007G13491取代G1055前的传G13491控制G13007G13491。改G11013PLC控制G2530，G1866控制G13007G13491G3835G3835的G12628G2345G2282，并且维修方G1427，易G1122检查，节省了G3835G18339空间，机床的各项G5627G14033有了很G3835的改善，工作效G10587有了G7138G7186G6564G20652。11C650型普通卧式车床简介C650卧式车床G4658G1122中G3423车床，G2499G2164工的G7380G3835工件G3250转G11464G5464G10381020MM，G7380G3835工件G19283度G103830000MM。G4439G1039要G11013床G17535G451G1821G7450G451G1009G7450G451G4626G5243G451G2004G7562G451G1039G17736G2476速G12677G451进给G12677G451和G9328G7507G12677G12573G13464G6116，G3926图11。图11C650卧式车床G13479G7512图工G14414过程G726G1038了G2164工各G12193G7071转表G19766，车床G1867有切G2078运G2172G1039运G2172和进给运G2172和辅助运G2172。G1039运G2172G7171G1039G17736G17902过G2357G11436G6122G20042G4586G5114G2172工件作G7071转运G2172。进给运G2172G7171G9328G7507G5114G2172G2004G7562的G13449G2533和G8190G2533的G11464线运G2172。辅助运G2172G7171指G2004G7562的快速移G2172及工件的G2164G13051与G6930G7506。C650G3423卧式车床G11013G1039G17736运G2172和G2004G1867进给运G2172G4448G6116切G2078G2164工，车床的G1039G17736G451冷却泵G451G2004G7562快速移G2172G3355G11013G989相A236A237A238A239A240A241A242A243A244A245A246A247A248A244A249A250A236A245A246A251A252A254G5334G8505电G2172机G6314G2172。车床有G989G12193运G2172形式G726车G2078G2164工的G1039运G2172G7171G1039G17736G17902过G2357G11436G6122G13785G21493G5527G3853G3848G5114G2172工件的G7071转运G2172，G4439G6227G2475车G2078G2164工G7114的G1039要切G2078G2163G10587G727进给运G2172G7171G9328G7507G5114G2172G2004G7562的G13449G2533G6122G8190G2533运G2172G727辅助运G2172G1038G9328G7507G12677的快速移G2172，G4626G5243的移G2172和工件的G3853G13051与G6930G7506。G1039G17736的G7071转运G2172G11013G1039电G2172机，经传G2172机G7512G4466现。机床车G2078G2164工G7114，要求车床G1039G17736G14033在较G3835G14551G3272内G2476速。G17902G5132根G6466G15999G2164工G19658件的G7460料G5627G14033G451G19658件G4622G4556G12946度要求G451车G2004G7460料G451冷却G7477件及G2164工方式G12573G7481选择切G2078速度，G18331用机G7812G2476速方G8873。车床G13449G451G8190G1016个方G2533的进给运G2172G11013G1039G17736G2476速G12677的G17767G1998G17736，经G6358G17730G12677G451进给G12677G451G1821G7450传入G9328G7507G12677G13792G14731G5483，G1866运G2172方式有G6175G2172与机G2172G1016G12193。G1866工作过程过程G3926G991G7261正G5132车G2078G2164工G7114G980G14336不要求反转，G1306在G2164工G15758G13453G7114，G1038G1457G16789G15758G13453的G2164工G17148G18339，G1038G18003G1825G1093G6199，G2164工G4448毕G2530要求反转G17876G2004，且工件G7071转速度与G2004G1867的移G2172速度G1055间G1457G6357严格的G8616G1375关G13007。因此，C650卧式车床G9328G7507G12677与G1039G17736G2476速G12677G1055间G17902过G21843G17730传G2172G7481G17842G6521，G11013同G980G2500电G2172机G6314G2172。2C650卧式车床G17902过G1039电G2172机的正G451反转G7481G4466现G1039G17736的正G451反转，当G1039G17736反转G7114，G2004G7562G1075G17331着G2530G17876。3电流表G36经电流G1126G5875G3132TG36G6521在G1039电G2172机G481的G2172力G3250路G990，用G7481G11429G8991电G2172机的G17139G17745G5785G1929。4车G2078G2164工G17829G1296G1122G5670G2163G10587G17139G17745，G1039电G2172机G481G17902G5132选用普G17902G12560G3423G5334G8505电G2172机（G2163G10587G103830G46W），G4448G6116G1039G17736运G2172和G2004G1867进给运G2172的G20549G2172。G481电G2172机G18331用G11464G6521G2563G2172的方式，G2499正反G1016个方G2533G7071转，G1038G2164工方G1427，还G1867有G9869G2172G2163G14033。G11013G1122G2164工的工件G8616较G3835，G2164工G7114G1866转G2172G5827G18339G1075G8616较G3835，G19668停车G7114不易G12447G2375停止转G2172，必须有停车制G2172G2172G14033，C650车床的正反停车G18331用速度G13499电G3132控制电G9316的反G6521制G2172，以G6564G20652G10995G1147效G10587。5车G2078G2164工中，G1038G19462止G2004G1867和工件的G9213度过G20652，G5322G19283G2004G1867G1363用G4563G2641，G6564G20652G2164工G17148G18339，车床附有G980G2500G2345方G2533G7071转的冷却泵电G2172机G482。6C650卧式车床的床G17535较G19283，G1038了G6564G20652G10995G1147效G10587G451G1955G17743工G1166的G2183G2172G5390度，专G19388设置了G980G2500G2163G10587G103822G46W的电G2172机G7481G6314G2172G9328G7507G12677快速移G2172。电G2172机G2499根G6466G1363用G19668要，随G7114G6175G2172控制起停。7C650在进行车G2078G2164工G7114，因G15999G2164工的工件G7460料G451形状G451G3835G4579G451G5627G17148及工G14414要求不同，且G1363用的G2004G1867G1075不同，G6164以要求切G2078速度G1075不同，G17837G4613要求G1039G17736有较G3835的调速G14551G3272。车床G3835G3822G18331用机G7812方G8873调速，G2476G6454G1039G17736G12677外的G6175G7576G1313置，G2499改G2476G1039G17736的转速。A236A237A238A239A240A241A242A243A244A245A246A247A248A244A249A250A236A245A246A251A252A25512C650卧式车床改造主要内容错误未找到引用源。G1039电G2172机G481G18331用G1852G2399空G17745G11464G6521G2563G2172。错误未找到引用源。要求G1039电G2172机G481G14033G4466现正G451反G2533G17842G13505运转。停止G7114，G11013G1122工件转G2172G5827G18339G3835，G18331用反G6521制G2172。错误未找到引用源。G1038G1427G1122G4557G2004G6817作，要求G481G14033G4466现G2345G2533G9869G2172控制，同G7114定G4388G1030入电G19471G14731G5483G1314速G9869G2172。错误未找到引用源。G1039G17736G2563G2172G1055G2530，G1889G2563G2172冷却泵电G2172机错误未找到引用源。有必要的G1457护和G13864锁，有安G1852G2499G19764的照G7138电路。错误未找到引用源。原车床的工G14414G2164工方G8873不G2476。错误未找到引用源。不改G2476原控制G13007G13491电气G6817作方G8873和按钮G451G6175G7576G12573G6817作元件的G2163G14033。2电气控制原理C650卧式车床G4658G1122中G3423车床，G1038G6564G20652工作效G10587，该机床G18331用了反G6521制G2172。G1038了G1955少制G2172电流，制G2172G7114在定G4388G3250路G1030入了限流电G19471R图21G7171G4439的电气原G10714图A236A237A238A239A240A241A242A243A244A245A246A247A248A244A249A250A236A245A246A251A252A22图21C650卧式车床电气原G10714图21主电路设计A236A237A238A239A240A241A242A243A244A245A246A247A248A244A249A250A236A245A246A251A252A238断路G3132QF将G989相电G9316引入，FU1G1038G1039电G2172机G481的短路G1457护用熔断G3132，FR1G1038G481电G2172机过G17745G1457护用热G13499电G3132。G1038G19462止在G17842G13505G9869G2172G7114的G2563G2172电流造G6116电G2172机的过G17745，G9869G2172G7114G1075G2164入限流电G19471R。G17902过G1126G5875G3132TG36G6521入电流表G36以G11429视G1039电G2172机绕G13464的电流。熔断G3132FU2G1038G482G451G483电G2172机的短路G1457护，G6521触G3132G46G481G451G46G482G1038G482G451G483电G2172机G2563G2172用G6521触G3132。FR2G1038G482电G2172机的过G17745G1457护，因G1038快速电G2172机G483短G7114工作，G6164以不设计过G17745G1457护。图22G1038C650卧式车床的G1039电路图。图22C650卧式车床G1039电路错误未找到引用源。2交流控制电路设计A236A237A238A239A240A241A242A243A244A245A246A247A248A244A249A250A236A245A246A251A252A237错误未找到引用源。G1039电G2172机的G9869G2172调整控制图23G1038G9869G2172G10627节的控制电路原G10714图。电路中G46G483G1038G481电G2172机的正转G6521触G3132，G46G481G1038G481电G2172机的G19283G2172G6521触G3132，G46G36G1038中间G13499电G3132。G481电G2172机的G9869G2172G11013G9869G2172按钮SB6控制。按G991按钮SB6，G6521触G3132G46G483G5483电吸合，G4439的G1039触电闭合，电G2172机的定G4388绕G13464经限流电G19471R与电G9316G6521G17902，电G2172机在较G1314速度G991起G2172。图23C650卧式车床G9869G2172控制电路错误未找到引用源。G1039电G2172机的正反转控制电路图24G1038G1039电G2172机正反转控制电路。G1039电G2172机正转G11013正G2533起G2172按钮SB1控制。按G991SB1G7114，G6521触G3132G46G48首先G5483电G2172作，G4439的G1039触G9869闭合将限图24C650卧式车床正反转控制电路A236A237A238A239A240A241A242A243A244A245A246A247A248A244A249A250A236A245A246A251A252A23流电G19471短G6521，G6521触G3132G46G48的辅助G2172合触G9869闭合G1363中间G13499电G3132G46G36G5483电，G4439的触G9869（137）闭合，G1363G6521触G3132G46G483G5483电吸合。G46G483的G1039触G9869将G989相电G9316G6521G17902，电G2172机在额定电G2399G991正转起G2172。G46G483的G2172合触G9869（1513）和G46G36的G2172合触G9869（515）的闭合将G46G483线圈G14270锁。反转起G2172G7114用反G2533G2563G2172按钮SB2，按G991SB2，同样G7171G6521触G3132G46G48G5483电，然G2530G6521G17902G6521触G3132G46G484和中间G13499电G3132G46G36，G1122G7171电G2172机在满G2399G991反转起G2172。G46G483的G2172断辅助触G9869（2325），G46G484的G2172断辅助触G9869（714）分别G1030在G4557方G6521触G3132线圈的G3250路中，起到了电G2172机正转与反转的电气G1126锁作用。错误未找到引用源。G1039电G2172机的反G6521制G2172控制C650卧式车床G18331用了反G6521制G2172方式。当电G2172机的转速G6521G17829G19658G7114，用速度G13499电G3132的触G9869给G1998G1461号切断电G2172机的电G9316。图25G7171C650卧式车床正反转与反G6521制G2172的控制电路图。图25C650卧式车床正反转与反G6521制G2172控制电路速度G13499电G3132与G15999控电G2172机G7171同G17736G17842G6521的，当电G2172机正转G7114，速度G13499电G3132的正转G5132开触电G46S1（1723）闭合G727电G2172机反转G7114，速度G13499电G3132的反转G2172合触G9869G46S2（177）闭合。当电G2172机正G2533G7071转G7114，G6521触G3132G46G483和G46G48，G13499电G3132G46G36都处G1122G5483电工作状态，速度G13499电G3132的正转G2172合触G9869G46S1（1723）G1075G7171闭合的，G17837样G4613G1038电G2172机正转G7114的反G6521制G2172做好了准G3803。G19668要停车G7114，按G991停止按钮SB4，G6521触G3132G46G48失电，G1866G1039触电断开，电G19471RG1030入G1039G3250路。与此同G7114G46G483G1075失电，断开了电G2172机的电G9316，同G7114G46G36失电，G46G36的G2172断触G9869闭合。在G7506开SB4G2530G4613G1363反转G6521触G3132G46G484的线圈G17902过135172325电路G5483电，电G2172机的电G9316反G6521，电G2172A236A237A238A239A240A241A242A243A244A245A246A247A248A244A249A250A236A245A246A251A252A24机处G1122反G6521制G2172状态。当电G2172机的转速G991降到速度G13499电G3132的复G1313转速G7114，速度G13499电G3132G46S的正转G2172合触G9869G46S1（1723）断开，切断了G6521触G3132G46G484的G17902电G3250路，电G2172机脱离电G9316停止。电G2172机的反G6521G7114的制G2172与正转G7114的制G2172相G1296。当电G2172机反转G7114，速度G13499电G3132的反转G2172合触G9869G46S2G7171闭合的，G17837G7171按G980G991停止按钮SB4，在SB4G7506开G2530正转G6521触G3132线圈G17902过13517711电路G5483电，正转G6521触G3132G46G483吸合将电G9316反G6521G1363电G2172机制G2172G2530停止。错误未找到引用源。G2004G7562的快速移G2172和冷却泵的控制G2004G7562的快速移G2172G7171G11013转G2172G2004G7562G6175G7576G2399G2172限G1313开关SQG7481G4466现的。当G6175G7576G2399G2172SQG2530，G6521触G3132G46G482G5483电吸合，G483电G2172机转G2172G5114G2172G2004G7562快速移G2172。G482G1038冷却泵电G2172机，G4439的起G2172与停止G7171G17902过按钮SB3和SB5控制的。23辅助电路分析错误未找到引用源。照G7138电路和控制电G9316分析TCG1038G3822绕G13464G2476G2399G3132，二次侧有G1016路，G980路G1038110V，G1038控制电路G6564供电G9316G727G13792另G980路G103836V（安G1852电G2399），供照G7138电路照G7138，SG36G1038控制照G7138电路的开关，SG36闭合G7114照G7138灯ELG9869亮，断开则熄灭。错误未找到引用源。电流表G1457护电路分析G11429视G1039G3250路G17139G17745的电流表G7171G17902过电流G1126G5875G6521入的。G1038G19462止电G2172机起G2172电流G4557电流表的冲击，电路中G18331用G980个G7114间G13499电G3132G46T。当起G2172G7114，G46T线圈G17902电，G13792G46T的G5322G7114断开的G2172断触G9869尚未G2172作，电流G1126G5875G3132二次电流只流经该触G9869G7512G6116闭合G3250路，电流表没有电流流过。起G2172G2530，G46TG5322G7114断开的G2172断触G9869打开，此G7114电流流经电流表，反映G1998G17139G17745电流的G3835G4579。表21G1038电气元件符号及G2163G14033说G7138表。A112A100A238A99A11A0A1A2A3A4A5A6A7A8A9A25A10A27A12A13A14A15A25A10A27A12A13A14A15A32A253A33A16A17A18A37A19A253A33A16A17A18A20A21A26A17A28A29A32A254A44A30A31A16A17A18A37A19A254A33A16A17A18A34A21A26A17A28A29A32A255A48A35A36A17A16A17A18A37A19A255A44A30A31A16A17A18A26A17A28A29A51A32A52A38A39A40A16A56A38A41A42A37A19A22A59A43A28A29A51A32A253A44A30A31A16A17A18A26A17A38A41A42A37A19A238A44A30A31A16A17A18A43A45A28A29A51A32A254A48A36A16A17A18A26A17A38A41A42A37A19A237A33A16A17A18A20A21A46A17A28A29A236A237A238A239A240A241A242A243A244A245A246A247A248A244A249A250A236A245A246A251A252A63A51A32A255A33A16A17A18A20A47A38A41A42A65A236A245A246A49A50A42A51A32A22A33A16A17A18A34A47A38A41A42A68A53A253A70A238A71A54A42A51A55A74A57A58A16A42A68A60A253A33A16A18A61A62A64A66A67A58A16A42A51A65A83A16A69A72A72A57A58A16A42A68A60A254A44A30A31A16A18A64A66A67A58A16A42A37A73A48A36A16A17A18A46A17A75A76A77A78A60A39A40A16A56A37A55A77A78A91A250A92A79A80A51A37A35A81A58A16A42A65A55A16A40A82A84A42A55A16A40A85A73A68A86A50A54A87A423系统元器件的概述与选择31PLC类型的简介20世纪70年代末至80年代初，PLCG1147品的处G10714速度G3835G3835G6564G20652，增G2164了许G3822G10317殊G2163G14033G1363G5483PLC不仅G2499以进行逻辑控制，G13792且G2499以G4557模拟G18339进行控制，G4439以G19766G2533工业控制G1038G10317G9869，普G17902G2475到电气控制领域的欢迎。G10317别G7171中G4579容G18339PLCG6116G2163G3332取代了传G13491的G13499电G3132控制G13007G13491，G1363控制G13007G13491的G2499G19764G5627G3835G3835G6564G20652。G11458前各国G10995G1147的PLC品G12193繁G3822，G2469G4649迅速。在国内的市场G990G5224用较G3822的PLCG3822G1038日本G451德国和美国的G1147品，G3926日本OG48RON公司的CG13007列G451日本G7506G991公司的FPG13007列G451日本G989菱公司的FXG13007列G451德国西G19388G4388公司的S7G13007列和美国G36BB公司的07G13007列G12573。西G19388G4388公司的G7380G7044PLCG1147品有SIG48G36TICS7G451G487和C7G12573几G3835G13007列。S7G13007列G7171传G13491意义的PLCG1147品，G1866中的S7200PLCG7171超G4579G3423G2282的PLC，G4439G17878用G1122各行各业，各G12193场合中的G14270G2172检G8991G451G11429G8991及控制G12573。S7200PLC的G5390G3835G2163G14033G1363G1866无论G2345机运行，G6122G17842G6116G13605络都G14033G4466现复杂的控制G2163G14033。311PLC的特点PLCG7171综合G13499电G3132G6521触G3132控制G1260G9869及计算机灵活方G1427的G1260G9869G13792制造和G2469G4649的G451G17837G1363PLCG1867有许G3822G1866他控制G3132无G8873相G8616的G10317G9869G726（1）G2499G19764G5627G5390，抗干扰G14033力G5390PLCG10995G1147厂商在硬件和软件G990G18331取了G980G13007列抗干扰措施，G1363他G2499以G11464G6521安G16025G1122工业现场G13792稳定G2499G19764G3332工作。G11458前各个G10995G1147厂商G10995G1147的PLC，G1866平G3355无故障G7114间G3835G3835超过了IECA236A237A238A239A240A241A242A243A244A245A246A247A248A244A249A250A236A245A246A251A252A253A239规定的10万G4579G7114。G13792且G1038了G17878G5224G10317殊场合G19668求，有的PLCG10995G1147厂商还G18331用差G5334设计进G980G8505G6564G20652G1866G2499G19764G5627。（2）G17902用G5627G5390，G1363用方G1427G11013G1122PLCG3355G1038G13007列G2282G10995G1147，品G12193齐G1852，G3822G6980G18331用模块式的硬件G13479G7512，G13464合和扩G4649方G1427，用户G2499根G6466G14270己的G19668用灵活选用，以满足G13007G13491G3835G4579不同及G2163G14033繁G12628各G5334的空G4388G13007G13491要求。（3）编程语言G12628G2345，易学，G1427G1122掌握。PLC的编G6116G2499G18331用与G13499电G3132电路极G1038相G1296的梯形图语言，G11464观易懂，深G2475现场电G3132G6228G7427G1166员的欢迎。G17829年G7481又G2469G4649了G19766G2533G4557象的顺序控制流程图语言，G1075称G2163G14033图，G1363编G6116更G2164G12628G2345方G1427。（4）G18331用模块G2282G13479G7512，G1363G13007G13491G13464合灵活方G1427PLC的各个G18108件，G3355G18331用模块G2282设计G451各模块G1055间G2499G11013机G7562和电缆G17842G6521。G13007G13491的G2163G14033和规模G2499根G6466用户的G4466际G19668求G14270行G13464合，G1363G13007G13491的G5627G14033价格更容易趋G1122合G10714。（5）G13007G13491设计周期短。G11013G1122G13007G13491硬件的设计G1231务仅仅G7171根G6466G4557象的控制要求配置G17878当的模块，G13792不要去设计G1867体的G6521G2487电路