Siemens Teleperm XPdocWord格式.docx
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Siemens Teleperm XPdocWord格式.docx
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TelebitWorldBlazermodem(Hayes,MNP,orPEPcompatible)
8databits,1stopbit,noparity,upto14400BPSdownload
protocols:
Xmodem,Ymodem,Zmodem,Kermit
OSISoftware,Inc.
P.O.Box727
SanLeandro,CA94577-0427
USA
OSISoftwareGmbH
Hauptstrae30
D-63674Altenstadt1
Deutschland
OSISoftware,Ltd
P.O.Box8256
LevelOne,6-8NugentStreet
Auckland3,NewZealand
Unpublished—rightsreservedunderthecopyrightlawsoftheUnitedStates.
RESTRICTEDRIGHTSLEGEND
Use,duplication,ordisclosurebytheGovernmentissubjecttorestrictionsassetforthinsubparagraph©
(1)(ii)
oftheRightsinTechnicalDataandComputerSoftwareclauseatDFARS252.227-7013
Trademarkstatement—PIisaregisteredtrademarkofOSISoftware,Inc.MicrosoftWindows,MicrosoftWindowsforWorkgroups,andMicrosoftNTareregisteredtrademarksofMicrosoftCorporation.SolarisisaregisteredtrademarkofSunMicrosystems.HPUXisaregisteredtrademarkofHewlettPackardCorp.IBMAIXRS/6000isaregisteredtrademarkoftheIBMCorporation.DUX,DECVAXandDECAlphaareregisteredtrademarksoftheDigitalEquipmentCorporation.
PiTxp1.doc
1999OSISoftware,Inc.Allrightsreserved
777DavisStreet,Suite250,SanLeandro,CA94577
TableofContents
Overview1
SupportedDataTypes1
TimeStamps1
Moredetailedtimeconsiderations1
PIPointDefinition3
TXPTagAddressFormat3
GeneralPITagConfigurationInformation3
InputTagConfiguration5
AdditionalPI2Configuration7
HardwareandSoftware8
InterfaceSoftwareRequirements8
InterfaceHardwareRequirements8
StartupCommandFile9
TelepermXPInterfaceInstallation13
NT-IntelInstallationDiskFileList13
InstallationProcedure13
TelepermXPInterfaceSystemAdministration17
StartingtheTelepermXPInterface17
StoppingtheTelepermXPInterface17
Status,Warning,andErrorMessages17
Communication18
IORates19
AppendixACommunicationErrorRecovery20
AppendixBTroubleshooting21
QuestionsandAnswers21
AppendixCMessageLogging22
LoggingConfiguration22
RunTimeLoggingConfiguration22
AppendixDVersion2Enhancements24
ArchiveRecovery24
Sub-SecondEvents24
Sub-SecondTimeStamps24
AppendixEMicrosoftWinsockErrors25
RevisionHistory28
Overview
ThisisadescriptionoftheSiemensTelepermXPInterfacetothePISystemforWindowsNTVersion2.Theinterfacecanberunononeofthefollowing:
∙AnNTPI3Server
∙AnNTPIAPInodewithnetworkaccesstoaPI2orPI3Server
AsingleinterfacecancollectdatafromoneXPsystematatime,viaanXU.TheinterfacemayalsobeconfiguredtouseabackupXUintheeventthattheprimaryfails.TheinterfacewillacceptdatafromwhicheverXUisleading.
Forproperinterfaceoperation,theusermustconfigureinputpoints(inputtags)onaPI2orPI3homenode(thewords"
point"
and"
tag"
areusedinterchangeablyinthismanual).ThesetagsareusedtoreceivedatavaluesfromanXPsystem,eitheratagivenfrequencyorwheneverthevalueofagiven“triggertag”changes.
Atstartup,theinterfacescansthePIPointDatabaseforallassociatedpointsandbuildsitsownpointlist.Duringruntime,theinterfacecontinuestocheckthePIPointDatabaseforpointupdatesandmodifiesitspointlistaccordingly.
IftheScanfieldofanypointonthepointlistissettooff,thepointisremovedfromthepointlist.ThepointisaddedonceagainaftertheScanfieldisturnedbackon.Ifneitherafixedscanratenoravalidtriggertagarefoundforagivenpoint,thenitwillberemovedfromorwillnotbeaddedtothepointlist.
SupportedDataTypes
TheTelepermXPinterfaceprovidessupportforanalog,digital,andcounter(integer)valuesfromtheXPsystem.ThedatatypeofthedataintheXPsystemmustbeknownaheadoftimeandsoanalogvaluesmayonlyberetrievedintoreal(float)tags,digitalvaluesintodiscretetags,andcountervaluesintointegertags(inPI).
TimeStamps
ValuessenttothePIdataarchiveretainthetime-stampreceivedfromtheXPsystem.Thisversionoftheinterfaceusesthe/EXTswitch,totransferthesub-secondportionofthesetimestampsintoPI.Withoutthisparameterthesub-secondportionofthetimestampsisstilltruncatedasinversion1.
WhentheinterfacefirstsubmitsasubscriptionlisttotheXU,itrequestsaninitial“image”ofthesubscribedvalues.Whentheinterfacereceivesthisimage,itconsidersthedatavaluestobe“current”andchangesthetimestampstothecurrenttime.
DuetothefactthatPIwillbereceivingforeigntimestamps,thetwosystemsshouldbesynchronizedtothesameclocktime.OSIrecommendstheYAT32programavailablefrom.
Moredetailedtimeconsiderations
AtimestampassociatedwithaprocessvalueisgeneratedintheAS(AutomationSystem)usinglocalwintertime.ThistimestampisbeingconvertedtoUTCtimeontheTelepermXPsystem(PU-ProcessingUnit),basedontheTimeZonesettingsonthePU.
Then,thistimestamp,beingassumedtobecorrectUTC,isforwardedtotheXU.TheXUitselfsimplyforwardsittotheforeignsystemrequestingit(thePIInterface).
TheInterfaceusesthefunctionlocaltimewhichexpectsaUTCtimestamptogeneratecorrectlocaltime,takingTimeZoneandDSTinformationintoaccount.ThistimeisusedinthePI-APIfunctions.InternallyinPI,timesendupinUTC.
ThefollowingnoteshavebeentakenatasiteinGermany,onehourWestfromtheUK,atThuMay1810:
56:
142000localtime.
PIclientswereshowingprocessdatawithcorrecttimestamps.
SettingsonthePU(TXP):
$echo$TZ
MET-1MEST-2,M3.5.0/2:
00,M10.5.0/3:
00(thissettingcanalsobefoundin/etc/TIMEZONE)
$date
ThuMay1810:
142000
SettingsontheXU:
(havenoinfluence)
00
Date/TimepropertiesonthePIServer(alsoactingasPI-APINoderunningtheTXPinterface):
May18200010:
14a.m.
TimeZone:
(GMT+01:
00)Amsterdam,Berlin,Bern,Rome,Stockholm,Vienna
Thecheckbox"
Automaticallyadjustclockfordaylightsavingchanges"
ischecked.
TheTZenvironmentvariableisnotset.
WhatthepartsoftheTZinformationonthePUshownabovemean
Thelineconsistsofthreeparts,separatedbycommas.
ThetimezonenamesareMETorMEST,respectively.TheyarejustASCIItext.Thecrucialinformationisin"
-1"
-2"
.
Thefirstpart,MET-1MEST-2,meansthatwearesometimesonehour,sometimestwohoursaheadofUTC.Theexacttimeswhentoswitcharedefinedfurtherrightintheline,inpartstwoandthree.
Parttwo,M3.5.0/2:
00,meansthatweareswitchingfromUTC-1toUTC-2inMarch(M3=Month3),inthelastweek(5),onSunday(day0),at2:
00.
WeswitchbackfromUTC-2toUTC-1inOctober(M10=Month10),inthelastweek(5),onSunday(day0),at3:
IftheTZvariableonthePU(notXU!
)isincorrectlyset,i.e.ithaswrongoffsetsfromUTC,thenthetimeconversiontoUTCinthePU(latertransferredtotheinterface)isdoneinawrongway,basedonwrongassumptions,andyouwillhaveincorrecttimestampsinPI.
IncaseofunexpectedoffsetsinPItimestamps,pleasecheckwhetherthetimerelatedsettingsinthePUarecorrect.Itmusthavecorrectlocaltime,andtheTZvariablemustbesetaccordingtoyourphysicallocation.
PIPointDefinition
TXPTagAddressFormat
TheTelepermXPinterfaceusesaKKS(German,literally“plantidentificationsystem”)toreferencespecificdatasourcesintheXPsystem.AKKSconsistsofacombinationofaprocessIDandasignalID.Intotal,aKKScanbeupto25characters,andspacesareimportant.
TheexactformatoftheKKSisdeterminedbytheconfigurationoftheXPsystem.CheckthevaluestatuslogdisplaytodeterminethecorrectformatforaparticularKKS.Ingeneral,acertainnumberofcharactersarereservedforthenameofthefunctionblock,whiletheremainingcharactersarereservedforthesignal.
TheinterfaceisonlyabletoreceiveeventsviatheXUforsignalsthathavebeenconfiguredforarchiving.
GeneralPITagConfigurationInformation
OnePIpoint(tag)mustbeconfiguredforeachTXPsignalthattheuserwishestoworkwith.ThepointscanbeconfiguredonaPI2orPI3homenode.
ThefollowingdescribesthefieldnamesassociatedwithPIpointconfigurationthathavespecificmeaningforusewiththeTXPinterface.OtherfieldsmayalsoneedtobespecifiedforproperconfigurationofthePIpoint.Someofthesefieldsincludepointname,typicalvalue,engineeringunits,resolutioncode(PI2only),filtercode,etc.TheusermayalsowishtocreateI/ORateTagsforeachinterface.FormoreinformationonPIPointconfigurationseetheDataArchive(DA)sectionofthePISystemManual(forPI2homenodes)orthePIDataArchiveManualforWindowsNTandUNIX(forPI3homenodes).
ThefieldnamesinthetablebelowareconsistentwiththefieldnamesintheDataArchiveManualforPI3.
PointSource
AllpointstobeusedbytheTXPinterfacemustshareacommonpointsource(forexample,S).ForaPI2homenode,onemusteditthepointsourcetabletoincludethisPointSource(choose"
pointsource"
fromthePI2Systemmainmenu).Seethesection"
AdditionalconfigurationforPI2"
below.ForPI3,theonlyrequirementistoconfigurethetagwiththesamePointSourcethatisdefinedinthePITXP#.batstartupcommandfile.
PointType
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