505e安装和操作手册

INSTALLATIONANDOPERATIONMANUAL安装和操作手册505DIGITALGOVERNOR数字调速器FORSTEAMTURBINES蒸汽汽轮机WITHSINGLE单一ORSPLITRANGE部分范围ACTUATORS调节器VOLUME1MANUAL85017V1B第五章505运行操作RUNMODEARCHITECTURE运行模式体系结构THE505ISDESIGNED愿意TOBEINTERFACED界面上WITHTHROUGH通过AUSERFRIENDLY用户界面友好的，用户容易掌握使用的SERVICEPANEL,维修面板DISCRETEANDANALOG离散模拟INPUT/OUTPUTSORMODBUSCOMMUNICATIONS通讯BASICPROGRAM基本程序ARCHITECTURE体系结构ISILLUSTRATEDINFIGURE以插图说明见51WHENTHECONTROLISPOWEREDUP加电ANDAFTERTHEBRIEF下达CPUSELFTEST自检测HASBEENCOMPLETED完成,THECONTROLDISPLAYSAREADYSTATUS就绪状态CONTROLLINGPARAMETER调节参数/PUSHRUNORPROGRAMTHE505SNORMALOPERATING正常工作ARCHITECTUREISDIVIDED分成INTOTWOSECTIONS到两部分零件THERUNMODEANDTHEPROGRAMMODETHEPROGRAMMODEISUSEDTOCONFIGURETHE505FORTHESPECIFICAPPLICATION专用应用程序ANDSETALLOPERATINGPARAMETERS工作参数SEECHAPTER4THERUNMODEISSIMPLY仅仅THENORMAL正常TURBINEOPERATIONMODE工作操作方式ANDISUSEDTOVIEWOPERATINGPARAMETERSANDRUNTHETURBINEASERVICEMODE预检（服务）模式ISALSO同样AVAILABLE可用TOMAKE制做ADDITIONAL另外附加的ONLINEADJUSTMENTS调整机构WHILETHEUNIT装置ISRUNNINGSEEVOLUME2FORINFORMATIONONTHESERVICEMODE505愿意从界面上通过用户的友好界面进行服务与维修。其基本程序体系结构为离散模拟输入/输出与MODBUS通讯（插图说明见51）。当控制电源加电与CPU下达自检测完成后，控制面板显示READYSTATUS就绪状态CONTROLLINGPARAMETER调节参数/PUSHRUNORPROGRAM。505正常工作体系结构分为两部分，即THERUNMODEANDTHEPROGRAMMODE（设置全部的工作参数见第四章）。运行模式仅为正常工作操作方式与用户去浏览工作参数和启动汽轮机。预检（服务）模式同样可用需制做另外附加的调整机构，当装置运行时可以在服务模式上看见容积信息。表51基本程序体系结构APLYPOWERSELFTEST自检测CONTROLINGPARMETRPRESRUNORROGRAMRUNRUNMODERESTCLEARCLEARPRGMPASWORD加载电源IFTRIPEDPROGRAMODECHANGEMODEANOVERVIEWOFRUNMODEKEYSANDSCREENSISSHOWNINFIGURE52THISDIAGRAMSHOWSALLOFTHEPOTENTIALSCREENSTHATCOULDAPPEARHOWEVER,ONLYTHESCREENSTHATARERELATEDTOTHE505SPROGRAMMEDFUNCTIONALITYWILLAPPEARFIGURE52ALSOSHOWSTHEKEYSTHATAREACTIVEFOREACHSCREENTHEHOTKEYSSPEED,AUX,ETCAREALWAYSACTIVEIFTHEFUNCTIONISPROGRAMMEDTHEADJUSTUP/DOWN,ENTER,YES/NOKEYS,HOWEVER,AREONLYACTIVEWITHCERTAINSCREENSFIGURE52CANBEREFERREDTO,WHENDETERMININGWHATKEYSAREACTIVEANDWHATSCREENSWILLAPPEARONTHEDISPLAY运行模式控制键与屏显见表52综述，这个图表显示全部的下级屏显并显示出来。无论如何，屏幕仅显示与505程序功能有关的显示。表52也显示在屏幕上各功能键的功能。这些热键（SPEED,AUX,ETC）总是在组态程序功能后处于激活状态。那些ADJ（ADJUST调整键）UP/DOWN、ENTER、YES/NO键、不论何时仅在确定屏显时处于激活状态。表52能够查阅，当决定什么键是激活的和屏幕将要显示什么时。表52运行模式综述TRIPCONTROLLINGPARAMETERREMOTEMESSAGESMESSAGESMESSAGESMESSAGES8MESSAGES7MESSAGES4EXTEMALTRIPINPUTSHUTDOWNDISABLEDENTERSHUTDOWNBUTTONCONTROLLEDSHUTDOWNINHIBITEDOVERSPEEDMAXACTUATORENABLEDALLSPEEDPROBESFAILEDVALVELIMITERACTIVEACTUATOR1FAULTREMOTEAUXILIARYINCONRTOLACTUATOR2FAULTAUXILLARYCONTROLAUXINPUTFAILEDCONFIGURATIONERRORCASCADECONTROLEXTEMALTRIP2STARTPERMNOTMETMESSAGESEXTEMALTRIP3READYTOSTARTMESSAGE6EXTEMALTRIP4MANUALSTARTDISABLEDEXTEMALTRIP5AUTOSTARTINHIBITEDCOMMLINK1TYIPSEMIAUTOSTARTENABLEDCOMMLINK2TYIPIDIE/RATEDSTARTINCONTROLKWINPUTFAILEDAUTOSTARTSEQUENCEACTIVE/NOTSPDCTRLTIEBREAKEROPENEDFREQUENCY/SPEEDACTIVEW/RMTSETPTGENERATORBREAKEROPENSYNCHRONIZINGINCTRLW/RMTSETPTPOWERUPTRIPLOADSHARE/SPEEDSHUTDOWNCOMPLETEREMOTECASCADE/SPEEDUNITSOPTIONSCASCADE/SPEEDFORAUX/CASCIDIE/RATEDMESSAGESREMOTE/SPEEDPSIMESSAGE1SPEED/ONLINEKPASTOPPEDSPEED/OFFLINEMWSPEED/OFFLINEKWMVGTOIDIEAUXMESSAGESDEGFATIDIESPDIFUSINGAUXENABLEDEGCINCRITBANDMESSAGE5T/HMVGTORATEDDISABLEDK/HRATRATEDSPDINHIBITED/HRRTDINHIBITEDENABLEDKG/CM2IDLEINHIBITEDACTIVE/NOTINCTRLBARACTIVEW/RMTSETPTATMAUTOSTARTMESSAGESINCONRTOLNONEMESSAGE2REMOTECONRTOLDISABLEDHALTEDAUXMESSAGESMVGLOWIDIEIFUSINGAUXASALIMITERATLOWIDIEMESSAGE5MVGHIIDIEINHIBITEDINCRITBANDENABLEDATHIGHIDIEENABLEDW/RMTSETPTMVGTORATEDACTIVEW/RMTSETPTCOMPLETEDACTIVE/NOTLMTINGCONTROLW/RMTSETPTCONTROLMESSAGESINCONTROLMESSAGE3DISABLEDINHIBITEDENABLEDINCONTROLREMOTECONTROLKEYPADANDDISPLAYTHE505ISAFIELDCONFIGURABLESTEAMTURBINECONTROLANDOPERATORCONTROLPANELOCPINTEGRATEDINTOONEPACKAGETHE505SSERVICEPANELCONSISTSOFA30KEYKEYPADANDLEDDISPLAYLOCATEDONTHEFRONTOFTHECONTROLTHELEDDISPLAYHASTWO,24CHARACTERLINESTHATCANBEUSEDTODISPLAYOPERATINGPARAMETERSANDTROUBLESHOOTPARAMETERSINPLAINENGLISHTHESERVICEPANELISUSEDTOCONFIGURETHE505,MAKEONLINEPROGRAMADJUSTMENTS,ANDOPERATETHETURBINE/SYSTEMNOADDITIONALPANELSAREREQUIREDTOOPERATETHETURBINE,EVERYTURBINECONTROLFUNCTIONCANBEFROMTHE505SFRONTPANELHOWEVER,THETURBINECANALSOBEOPERATEDREMOTELYEVERYFRONTPANELCONTROLOPERATIONCANBEPERFORMEDREMOTELYTHROUGHCONTACTSORMODBUSCOMMUNICATIONSFORSAFETYPURPOSES,HOWEVER,THE505SOVERSPEEDTESTFUNCTIONCANNOTBEPERFORMEDTHROUGHAMODBUSLINK键区与显示505汽轮机控制配置范围与操作员控制面板（简称OCP）整合在一个安装包内。505维护操作面板同由30个键组成，键民LED显示固定在前面板上，国LED有两行显示，可显示24个字符供用户显示工作参数与用浅显的英语进行故障参数检修。这个面板是用配置505，做在线程序调整，与运行汽轮机系统。不需要另外附加面板支控制汽轮机，每次汽轮机控制功能可从505控制面板操作。无论何时汽轮机也能遥控操作。每次从控制面板操作都能完成任务。遥控通过接点或MODBUS通讯。出于安全的目的，无论何时，都不能把超速试验通过连接MODBUS来完成任务。RUNMODEFRONTPANELKEYSFORADETAILEDDESCRIPTIONOFEACH505KEYFUNCTIONALITYSEECHAPTER1OFTHETHIRTYFRONTPANELKEYS,NOTALLAREACTIVEATALLTIMESINTHERUNMODEHOWEVER,FROMTHE505SSERVICEPANEL,THEKEYSTHATAREACTIVEWILLBEAPPARENTSINCETHEREISIMMEDIATEDISPLAYFEEDBACKWHENANACTIVEKEYISPRESSEDWHENARESPECTIVE“HOT”KEYAUX,CASC,KW,ETCFUNCTIONISNOTPROGRAMMED,AFUNCTIONNOTPROGRAMMEDMESSAGEWILLBEAPPEARIFTHEKEYISPRESSEDTHEFOLLOWINGAREGENERALIZATIONSWHENDETERMININGWHATKEYSWILLFUNCTION运行模式下的前面板键从详细的描述至每一个505键的功能见第一章的30个键的控制面板，在运行模式下它们不是总在激活状态下，而是在一定的时间内才可用。无论何时从505操作面板，那些可用的键总是有显示的，以后那儿有即时反馈显示，当键入活动中的按键时，当各自的热键AUX,CASC,KW,ETC功能没有组态时，如果按下此键时，将显示FUNCTIONNOTPROGRAMMED信息，以下是通用的当决定什么时候将要键入什么功能时。STARTINGPROCEDURESREFERTOTHETURBINEMANUFACTURERSOPERATINGPROCEDURESFORCOMPLETEINFORMATIONONTURBINESTARTUP,ANDCHAPTER3OFTHISMANUALFORASTEPBYSTEPPROCEDURE,DEPENDINGONTHESTARTMODESELECTEDTHEFOLLOWINGISATYPICALSTARTUPPROCEDURE起动过程在汽轮机启动前查阅汽轮机厂家的操作程序完善信息。比较第三章的手册一步一步的配置程序，依靠启动模式下的选择，下面是典型的启动程序（生产过程）。SPEEDKEYSCREENSFIGURE54SHOWSTHEPOSSIBLESCREENSTHATMAYAPPEARIFTHESPEEDKEYISPRESSEDONLYTHESCREENSRELATEDTOTHESPEEDCONTROLSPROGRAMMEDFUNCTIONALITYWILLBEDISPLAYEDINADDITION,THEORDEROFTHESCREENSMAYCHANGEDEPENDINGONTHESTATUSOFTHECONTROLSCREENS4,5AND6WILLALWAYSAPPEARIFIDLE/RATEDISPROGRAMMED,SCREEN1WILLAPPEARIFTHEAUTOSTARTSEQUENCEIFPROGRAMMED,SCREENS2AND3WILLAPPEARONCETHEAUTOSTARTSEQUENCEISCOMPLETE,THESESCREENSNOLONGERAPPEAR转速键显示表54表示可能需要的显示，如按下SPEED键。仅显示与转速控制有关的程序功能补充，那些显示可能会变化，用控制面板开机。4、5、6、总是有显示的。如在空转/额定程序下，1将显示。如在按自动顺序启动程序下2、3、将显示。一次自动运行完成后，这些显示将不在显示。1SELECTSRATED选择额定SELECTSIDLE选择空转2YESSELECTSCONTINUEAUTOSEQUENCE选择继续自动运行NOSELECTSHALTAUTOSEQUENCE选择停止、中断、暂停自动运行3INCREASESSPEEDSETPT加速设定DECREASESSPEEDSETPT减速设定4ENTETDIRECTENTRYOFSPEEDSETPT直接确定转速设定INCREASESSPEEDSETPT加速设定DECREASESSPEEDSETPT减速设定56INCREASESGAINSETTINGS增加增益设定DECREASESGAINSETTINGS减少增益设定SCREEN1SHOWNONLYIFIDIE/RATEDCONRTOLISCONFIGUREDANDSPEEDISLESSTHANTHERATEDSETPTSETPOINTONCEABOVERATEDSPEEDSCREEN1APPEARSAFTERSCREEN4SCREENS2IDLEISNOTSELECTABLETHISFEATUREISCONFIGURABLEINTHESERVICEMODEONLYWHENTHISFEATUREISUSEDWITHTHEIDLE/RATEDCONTACTINPUT,CLOSINGTHECONTACTRESULTS导致INTHESPEEDSETPOINTRAMPINGTOTHERATEDSPEEDSETTINGANDOPENINGTHECONTACTSTOPSTHESPEEDSETPOINTRAMPRATHERTHANSELECTINGIDLETOCONTINUERAMPINGTOTHERATEDSPEEDSETTING,RECLOSETHECONTACT,PRESSTHEFRONTPANELYESKEYFROMTHEIDL/RTDSCREENSCREEN1ORSELECTGOTORATEDFROMMODBUSCOMMUNICATIONS另外IDLE/RATEDFUNCTION的特点是曲线控制额定选项哪个允许转速设置点去仅传送额定转速设置，空载不能先择。这特点是仅在服务模式配置的。当这特点是用户在IDLE/RATED接点输入时，闭合触点导致在转速设置点按曲线去额定转速设置与断开触点停止转速设定点曲线宁愿选择空载。继续曲线去额定转速设置，再次接通接点，从IDL/RTD屏显（屏显1）按下控制面板YES键或SELECTGOTORATEDFROMMODBUSCOMMUNICATIONSTABLE52LISTSTHEIDLE/RATEDSTATUSMESSAGESTHATMAYAPPEARONTHEFRONTPANELDISPLAYANDTHEMEANINGSOFEACH桌面52列表是IDLE/RATED状态信息，可能在面板上显示每一个信息含义。TABLE52IDLE/RATEDMESSAGESMESSAGE1MEANINGSTOPPEDIDLE/RATEDRAMPHASBEENSTOPPED空载/额定曲线已经停止MVGTOIDLESPEEDSETPTISMOVINGTOIDLE转速设定点是空载活动（移动）ATIDLESPDSPEEDSETPTISATTHEIDLESETPT转速设定点是空载设置点INCRITBANDSPEEDSETPTISMOVINGTHROUGHTHECRITICALAVOIDANCEBAND转速设定点是通过临界转速频率带MVGTORATEDSPEEDSETPTISMOVINGTOTHERATEDSETPTATRATEDSPDSPEEDSETPTISATTHERATEDSETPTRTDINHIBITEDSELECTIONOFRATEDISNOTALLOWED不容许选择额定IDLEINHIBITEDSELECTIONOFIDLEISNOTALLOWED不容许选择空载THEFOLLOWINGINDICATIONSAREAVAILABLETHROUGHTHEMODBUSLINKSRAMPINGTOIDLE,ATIDLE,TURBINEINCRITICALSPEEDBAND,RAMPINGTORATED,ANDATRATEDINADDITIONTOTHESEINDICATIONS,THEIDLESPEEDSETPOINTANDRATEDSPEEDSETPOINTANALOGVALUESAREALSOAVAILABLE下列各项表示可以通过在线MODBUS曲线去空载、空载、汽轮机过临界转速频率、曲线去额定、额定。适当地添加这些指示，空载转速设定点与额定转速设定点模拟值也同样有效。AUTOSTARTSEQUENCEWHENARUNCOMMANDISISSUED,THE505AUTOMATICALLYDISPLAYSTHESPEEDSCREENUNLESSUSEDWITHTHESEMIAUTOMATICSTARTMODEANDSHOWSTHESTATUSOFTHEAUTOSTARTSEQUENCESCREEN2THESPEEDSETPOINTISINSTANTLYSETTOTHETURBINESACTUALSPEEDANDTHESEQUENCEWILLCONTINUEFROMTHISPOINTTHISSEQUENCEISAUTOMATIC,HOWEVERTHESEQUENCECANBEHALTEDHALTINGTHEAUTOSTARTSEQUENCECANBEPERFORMEDBYPRESSINGTHEFRONTPANELNOKEYFROMTHESEQUENCESTATUSSCREENSCREEN2,OPENINGTHEHALT/CONTINUECONTACTIFPROGRAMMED,SELECTINGHALTFROMAMODBUSCOMMUNICATIONSLINK,ORSELECTINGSPEEDSETPTRAISEORLOWERTOPROVIDEFEEDBACK,ARELAYCANBEPROGRAMMEDTOINDICATETHEAUTOSTARTSEQUENCEISHALTED自动启动顺序当运行命令发出时，505自动显示速度屏（除在半自动启动模式以外）和显示自动启动顺序的状态（屏显2）。转速设置点就开始汽轮机的实际转速与顺序将连续地从这点开始。这是自动启动顺序，无论何时程序都可暂停。暂停自动启动后可在程序状态屏（屏显2）按下控制键NO键，暂停/继续开度（如组态），选择从MODBUS总线暂停，或选择转速设置点升高或降低。按规定反馈，编程后的继电器显示AUTOSTARTSEQUENCEISHALTED自动开机暂停。THESEQUENCECANBERESTARTEDAGAINBYPRESSINGTHEFRONTPANELYESKEYFROMTHESEQUENCESTATUSSCREENSCREEN2,CLOSINGTHEHALT/CONTINUECONTACT,ORSELECTINGCONTINUEFROMAMODBUSCOMMUNICATIONSLINKTABLE53LISTSTHEAUTOSTARTSTATUSMESSAGESTHATMAYAPPEARONTHEDISPLAYANDTHEMEANINGSOFEACH从程序状态屏（屏显2）按下YES控制键可以重新开始程序，CLOSINGTHEHALT/CONTINUECONTACT,ORSELECTINGCONTINUEFROMAMODBUSCOMMUNICATIONSLINK。桌面53列表是自动开机状态显示的信息及每个含义。TABLE53AUTOSTARTMESSAGESMESSAGE2MEANING含义DISABLEDAUTOSTARTSEQUENCEISDISABLED禁止自动开机顺序HALTEDSEQUENCEHASBEENHALTED程序暂停、中断MVGLOWIDLESPEEDSETPTISMOVINGTOLOWIDLE转速设置点是空载低速移动（活动）ATLOWIDLESPEEDSETPTISHOLDINGATTHELOWIDLESETPT转速设置点是维持空载低速设置点MVGHIIDLESPEEDSETPTISMOVINGTOHIGHIDLE转速设置点是空载高速移动（活动）INCRITBANDSPEEDSETPTISMOVINGTHROUGHTHECRITICALAVOIDANCEBAND转速设置点是通过临界转速频率带ATHIGHIDLESPEEDSETPTISHOLDINGATTHEHIGHIDLESETPT转速设置点是维持空载高速设置点MVGTORATEDSPEEDSETPTISMOVINGTORATEDSETPT转速设置点是额定转速移动（活动）COMPLETEDAUTOSTARTSEQUENCEISCOMPLETED自动开机顺序程序完成THEFOLLOWINGAUTOSTARTSEQUENCEINDICATIONSAREAVAILABLETHROUGHTHEMODBUSLINKSSETPTMOVINGTOMIN,SETPTATLOWIDLE,RAMPINGTOHIGHIDLE,SETPTATHIGHIDLE,TURBINEINCRITICALSPEEDBAND,RAMPINGTORATED,ANDATRATEDINADDITIONTOTHESEINDICATIONS,THELOWIDLESPEEDSETPOINT,LOWIDLEDELAYTIME,TIMEREMAININGATLOWIDLE,LOWIDLETOHIGHIDLERATE,HIGHIDLESPEEDSETPOINT,HIGHIDLEDELAYTIME,TIMEREMAININGATHIGHIDLE,HIGHIDLETORATEDRATE,RATEDSPEEDSETPOINT,RUNTIMEHOURS,ANDHOURSSINCETRIPANALOGVALUESAREALSOAVAILABLEPROVIDINGCOMPREHENSIVESEQUENCEINFORMATION下列各项表示自动开机是可以通过MODBUS在线的设置点活动的分钟、设置点在空载低速、曲线空载高速、设置点在高速空载、汽轮机过临界转速频率、曲线额定、与额定。另外这些表示，低速空载转速设置点、低速空载延迟时间、低速空载剩余时间、低速至高速空载速率、高速空载转速设置点、高速空载延迟时间、高速空载剩余时间、高速空载至额定速率、额定转速设置点、运行时间（小时）、与自从模拟量报警值的时间同样有效只要综合程序信息。DIRECTSETPOINTENTRYTHESPEEDSETPOINTCANBEDIRECTLYSETTOASPECIFICVALUE,THATISNOTWITHINACRITICALSPEEDAVOIDANCEBAND,USINGTHEENTERKEYFROMTHESPEEDSETPTSCREENSCREEN4THEMESSAGESTHATAPPEARONTHEDISPLAYARESHOWNINFIGURE55THEREARELIMITSONTHERANGEOFTHESPEEDSETPOINTTHATCANBEENTEREDTHESPEEDSETPOINTMUSTBEBELOWTHEMAXIMUMGOVERNORSETTINGANDABOVETHEIDLESETTINGALSO,IFTHEUNITISDRIVINGAGENERATORANDTHEUNITISONLINE,THESPEEDSETPOINTCANNOTBESETBELOWTHEMINIMUMLOADSETTINGTUNABLEINTHESERVICEMODE直接进入设置点转速设定点能直接设置比值，就是不能进入临界转速频率，用户从转速设置点屏（屏显4）按ENTER键。这些信息将显示在屏幕上见表55。这能进入限制速度设置点范围。转速设置点必须在调速器最大设置以下与空载以上。同样，如果单位装置传动发电机与装置在线，转速设置点不能设置最低负载设置（在运行模式可调）THESPEEDSETPOINTCANALSOBEDIRECTLYENTEREDFROMEITHEROFTHEMODBUSLINKS,HOWEVER,THEALLOWEDRANGEISBETWEENTHEMINIMUMANDMAXIMUMGOVERNORSPEEDSETTINGSTHEALLOWEDSETPOINTRANGEISLIMITEDBETWEENTHEMINIMUMLOADANDTHEMAXIMUMGOVERNORSETTINGSIFTHEUNITISDRIVINGAGENERATORANDTHEUNITISONLINEBOTHTHESPEEDSETPOINTANDTHEMODBUSENTEREDSPEEDSETPOINTAREAVAILABLEOVERTHECOMMUNICATIONLINKTOPROVIDEFEEDBACKFORDIRECTLYENTEREDMODBUSVALUES转速设置点也能直接进入从任一的或MODBUS在线的。无论何时，是在最大与最小调速器转速设置范围容许之间。容许设置点量程界限范围是在最低负荷与最大调速器设置之间如果单独传动发电机与在线装置。两者转速设置点与MODBUS进入转速设置点结果一样通信连接装置按规定反馈后直接进入MODBUS值FIGURE55DIRECTSETPOINTENTRYENTERNEWSETPOINTVALUESUSENUMBERKEYSTOSETNEWSETPTANDPRESSENTER使用数字键去设置新的设置点后按ENTERTHENEWSETPOINTVALUEMUSTBEWITHINTHEALLOWEDSETPOINTRANGEORTHEDISPLAYWILLISSUEANERRORMESSAGE新的设置点值必须在容许设置点范围之内或显示错误信息。VALUEACCEPTED公认的PRESSENTERTOCONTINUE继续THESETPOINTWILLMOVETOTHENEWENTEREDVALUEATTHE“ENTEREDRATE”THEENTEREDRATEISDEFAULTEDTOTHESLOWRATESETTINGBUTCANBEADJUSTEDINTHESERVICEMODEIFDESIREDSELECTINGTHEADJUSTUPORADJUSTDOWNARROWSWILLSTOPTHESETPOINTATITSPRESENTPOSITION设置点将运行新的键入值在“键入速率。”键入速率是默认的慢速设置但能在服务模式进行调整如果想得到选择ADJ增减将停止设置点在它的现行位置。ERRORMESSAGES错误信息1NEWVALUELESSTHANMINPRESSENTERTOCONTINUE新值小于最小值按ENTER继续2NEWVALUEMORETHANMAXPRESSENTERTOCONTINUE新值大于最大值按ENTER继续3SETPTENTRDINCRITBNDPRESSSPEEDKEY设置点进入临界转速频率按SPEEDKEYSPEEDCONTROLONCETHETURBINEISINSPEEDCONTROLATMINIMUMGOVERNORSPEEDORRATEDSPEED,THESPEEDSETPOINTCANBEADJUSTEDWITHTHEADJUSTUPORDOWNFRONTPANELKEYSFROMTHESPEEDSCREENSCREEN4,SPEEDSETPOINTRAISEORLOWERCONTACTINPUTS,ORCOMMANDSTHROUGHAMODBUSLINKINADDITIONTHESETPOINTCANBEDIRECTLYENTEREDUSINGTHEENTERKEYFROMASETPOINTDISPLAYORTHROUGHTHECOMMUNICATIONLINKSSEEDIRECTSETPOINTENTRYABOVE速度控制一旦进入汽轮机转速控制调速器最低空载速度或额定转速，转速控制点能调整用ADJ增减键从面板从转速屏（屏显4）转速设置点升高或降低接点输入，或通过MODBUS在线命令。另外设置点能直接进入按ENTER键从设置点显示处或通过通信线路（看关于直接进入设置点）THEFOLLOWINGSPEEDCONTROLINDICATIONSAREAVAILABLETHROUGHTHEMODBUSLINKSSPEEDPIDINCONTROLANDSPEEDATORABOVEMINGOVINADDITIONTOTHESEINDICATIONSTHESPEEDSETPOINT,ACTUALTURBINESPEED,SPEEDSENSOR1INPUT,SPEEDSENSOR2INPUT,ANDSPEEDCONTROLPIDOUTPUTANALOGVALUESAREALSOAVAILABLE下列各项转速控制表示是通过在线MODBUS有效的转速PID控制与转速方面或最小调速器方面。另外这些表示转速设置点，汽轮机转速、1测速原件输入、2测速原件输入与转速PID控制输出值也同样有效。OVERSPEEDTESTFUNCTIONTHE505SOVERSPEEDTESTFUNCTIONALLOWSANOPERATORTOINCREASETURBINESPEEDABOVEITSRATEDOPERATINGRANGETOPERIODICALLYTESTTURBINEELECTRICALAND/ORMECHANICALOVERSPEEDPROTECTIONLOGICANDCIRCUITRYTHISINCLUDESTHE505SINTERNALOVERSPEEDTRIPLOGICANDANYEXTERNALOVERSPEEDTRIPDEVICESSETTINGSANDLOGICFIGURE56SHOWSTHESCREENSTHATAREDISPLAYEDWHENTHEOSPDKEYISPRESSEDTHESEWILLONLYBEDISPLAYEDWHENTHESPEEDSETPOINTHASBEENRAISEDTOTHEMAXIMUMGOVERNORANDTHEUNITISOFFLINEIFDRIVINGAGENERATORBEFORETHESECONDITIONSAREMET,THESCREENWILLINDICATETHEOVERSPEEDTESTPERMISSIVESARENOTMET超速试验505的超速试验功能允许操作者去加汽轮机转速在它的额定运行范围之内去定期试验汽轮机电气与/或机械超速保护逻辑与线路。这包括505的内部超速停车装置逻辑与一些外部的超速停车装置设备的设置与逻辑。表56显示屏显那是显示器当按下“OSPD”键时。这是唯一的显示当转速设置点开始提升最大调整器与装置离线（如果操纵发电机）。在遇到这些情况之前，屏显将指示超速试验许可不会遇见。FIGURE56OVERSPEEDTESTENABLEKEYSCREENSSCREEN1ADJUPINCREASESSPEEDSETPT加速设置ADJDOWNDECREASESSPEEDSETPT减速设置SCREEN2YESCLEARSPEAKSPEEDREACHED清除达到的峰值速度OVERSPEEDTESTPROCEDURE超速试验程序FROMTHE505SSERVICEPANEL用于505的维修面板RAISETHESPEEDSETPOINTTOTHEMAXIMUMGOVERNORSETTING提升转速设置点至最大调速器设置IFDESIRED,CLEARTHEHIGHESTSPEEDREACHEDVALUE,TORECORDTHEHIGHESTSPEEDREACHEDDURINGTHISOVERSPEEDTESTPRESSTHEOSPDKEY,SCROLLDOWNTOSCREEN2ANDPRESSTHEYESKEYNOTETHISVALUECANALSOBECLEAREDORREADFROMUNDERTHECONTROLCONTKEY如想得到，清除“高速范围”值，记录高速范围在超速试验期间。（按上OSPD键，向下翻转至屏显2并按下YES键。注意此值同样能清除或用被控制键（CONT）选读。PRESSTHEOSPDKEYANDADJUSTUPCOMMANDATTHESAMETIMETOALLOWTHESPEEDSETPOINTTOBERAISEDFORTESTINGTHEOVERSPEEDTESTENABLELEDINTHEOSPDKEYWILLTURNONWHENTHESETPOINTISRAISEDABOVETHEMAXIMUMGOVERNORSETTING按下OSPD键与向上调节命令同时允许转速设置点去提升试验。超速试验允许发光二极管将接通OSPD键当设置点超出最大调速顺设置时。IFTHEOSPDKEYISRELEASED,THESPEEDSETPOINTWILLMOVEBACKTOTHEMAXIMUMGOVERNORSETTINGOSPD键控解除，转速设置点将返回最小调速器设置。ONCETURBINESPEEDREACHESTHE505SINTERNALOVERSPEEDTRIPLEVELSETTING,THEOSPDKEYSLEDWILLBLINKANDTHESCREENWILLFLASHASPEEDTRIPMESSAGE初次汽轮机转速范围及505的内部超速停车装置水平设置，OSPD键将闪烁并显示转速跳闸脱扣信息。IFTHEOSPDKEYISRELEASEDWHILETHEOVERSPEEDTESTLEDISBLINKING,THEUNITWILLTRIPONOVERSPEED如OSPD键控解除当超速试验二极管闪烁时,装置将脱扣在超速时IFANEXTERNALDEVICESTRIPSETTINGISBEINGTESTEDTHESPEEDSETPOINTCANBERAISEDUPTOTHE505SOVERSPEEDTESTLIMITSETTING,BYNOTRELEASINGTHEOSPDKEYANDCONTINUINGTOADJUSTTHE505SSPEEDSETPOINTTHEOVERSPEEDTESTLEDWILLBLINKATAFASTERRATEWHENTHEOVERSPEEDTESTLIMITISREACHED,INDICATINGTHEMAXIMUMSPEEDSETPOINTISREACHEDANDTHEUNITSHOULDHAVETRIPPEDONTHEEXTERNALTRIPDEVICE若外部设备脱扣整定测试转速设定点提升去505的超速试验水平设置，不要释放OSPD键并继续增加505的转速设置点。超速试验LED快速闪烁当超速试验极限达到时，表示达到最大转速设置点与装置应该脱扣在外部脱扣设备ALTERNATIVELYTHETURBINESOVERSPEEDLOGICANDCIRCUITRYCANBETESTEDREMOTELY,BYPROGRAMMINGANOVERSPEEDTESTCONTACTINPUTTHEOVERSPEEDTESTCONTACTFUNCTIONSASTHEOSPDKEYONTHE505SSERVICEPANELWHENTHECONDITIONSOUTLINEDINTHEABOVEPROCEDUREAREMET,CLOSINGTHISCONTACTALLOWSTHESPEEDSETPOINTTOBEINCREASEDUPTOTHE“OVERSPEEDTESTLIMIT”SETTINGTHETESTINGPROCEDUREISSIMILARTOUSINGTHEOSPDKEYANOVERSPEEDTESTENABLEDRELAYCANBEPROGRAMMEDTOPROVIDETHESAMESTATUSFEEDBACKASTHEFRONTPANELOVERSPEEDTESTLED二选一的汽轮机超速逻辑与远方线路测试，在程序中超速试验接点输入。超速试验接点功能用505面板的OSPD键。当遇见超出工作程序的情况时，关闭接点允许转速设置点胜于增加超速极限试验设置。这个测试程序与OSPD是相似的。超速测试继电顺允许能组态去按规定的同样状态反馈至面板超速测试LED。THEOVERSPEEDTESTFUNCTIONCANNOTBEPERFORMEDOVERTHEMODBUSCOMMUNICATIONS,HOWEVER,THEOVERSPEEDTESTPERMISSIVE,OVERSPEEDTESTINPROGRESS,OVERSPEEDALARM,ANDOVERSPEEDTRIPINDICATIONSAREAVAILABLETHROUGHMODBUS超速试验功能不能在MODBUS通信完成任务，无论何时，超速试验许可，超速试验进入、超速报警与超速脱扣表示通过MODBUS是有效的F3ANDF4KEY我厂未用LIMITERLMTRKEYSCREENSFIGURE57SHOWSTHESCREENSTHATAPPEARWHENTHELMTRKEYISPRESSEDTHESESCREENSAREALWAYSACTIVEANDALWAYSDISPLAYEDDURINGNORMALOPERATIONTHEVALVELIMITERSETTINGISAT100ANDNOTLIMITINGTYPICALLY,THEONLYTIMETHISPARAMETERISADJUSTEDISDURINGASTARTSEQUENCEORTOTROUBLESHOOTSYSTEMDYNAMICSPROBLEMSTHEACTUATORDEMANDANDTHELIMITERSETPOINTCANBEVIEWEDFROMSCREEN2TOMANUALLYPOSITIONTHEGOVERNORVALVEWITHTHEVALVELIMITERSETPOINT,THELIMITERSETPOINTMUSTBEDECREASEDBELOWTHEACTUATORDEMANDSIGNALLSSBUSOUTPUTONCEBELOWOREQUALTOTHISSIGNAL,THELIMITERSETTINGWILLBETHEACTUATOROUTPUTSIGNALANDTHUSGOVERNORVALVEPOSITIONWILLBESETMANUALLYBYTHELIMITER限位装置键屏显表57显示屏显出的当按下LMTR键时。这些显示总是活动的与显示的。在一般操作期间限位装置值设定在100与没有限定。典型的，仅时间参数调整在发出程序期间或检验系统动力问题。执行机构请求与限位设置点能浏览从屏显2。当手动操作调节阀与阀门限位设置点。限位设置点必须减少低于执行机构请求指令信号LSS总线输出一旦低于或等于这个信号，限位设置将执行机构输出信号与因而调节阀位置将设置用手动进行限位。THEVALVELIMITERCANBEADJUSTEDWITHTHEADJUSTUPORDOWNFRONTPANELKEYSFROMANYLIMITERSCREEN,VALVELIMITERRAISEORLOWERCONTACTINPUTSIFPROGRAMMED,ORCOMMANDSTHROUGHAMODBUSLINKINADDITIONTHESETPOINTCANBEDIRECTLYENTEREDUSINGTHEENTERKEYFROMANYLIMITERSCREEN限位值可通过ADJ键来完成，或按“确认键”直接进入限位值THEFOLLOWINGVALVELIMITERINDICATIONSAREAVAILABLETHROUGHTHEMODBUSLINKSVALVELIMITERATMIN,VALVELIMITERATMAX,ANDVALVELIMITERINCONTROLOFACTUATOROUTPUTINADDITIONTOTHESEINDICATIONSTHEVALVELIMITERSETPOINT,ACTUATORLSS,ACTUATOR1OUTPUTANDACTUATOR2OUTPUTANALOGVALUESAREALSOAVAILABLEFIGURE57LMTRKEYSCREENSSCREEN1ADJUPINCREASESLIMITERSETPT增加限位设置点ADJDOWMDECREASESLIMITERSETPT减小限位设置点SEREEN2ENTERDIRECTENTRYOFLIMITERSETPT直接进入限位设置点注看两屏控制图ACTUATORACTRKEYSCREENS执行机构键屏FIGURE58SHOWSTHEPOSSIBLESCREENSTHATMAYAPPEARIFTHE