West Control Solutions BK DP/V1 User manual

Brand: West Control Solutions

Model: BK DP/V1

Type: User manual

ModularControllerSystem

KS vario

InterfaceDescription

PROFIBUS-DP

949904069718

validfrom:7/2004

P MA P r ozeß- und Mas chinen-A utomation GmbH

SIMATI® isaregisteredtrademarkofSiemensAG

STEP®isaregisteredtrademarkofSiemensAG

®isaregisteredtrademar

kofPROFIBUSuserorganisation(PNO)

BluePort ®isaregisteredtrademarkofPMAProzeß-undMaschinen-AutomationGmbH

BlueControl ®isaregisteredtrademarkofPMAProzeß-undMaschinen-AutomationGmbH

©PMAProzeß-undMaschinen-AutomationGmbH

PrintedinGermany

Allrightsreserved.Nopartofthisdocumentmaybereproducedorpublishedinanyformorbyany

meanswithoutpriorwrittenpermissionfromthecopyrightowner.

ApublicationofPMAProzeß-undMaschinenAutomationGmbH

Postfach310229

D-34058Kassel

Germany

9499-040-69711 3 preliminary

Content

1 General ........................................... 5

1.1 Scopeofdelivery .................................... 6

2Hintsforoperation ..................................... 7

2.1 Interfaceconnection .................................. 7

2.2 SignificationofindicatorLEDs ............................ 7

2.3 Forcing ......................................... 8

2.4 Fail-safe ........................................ 8

3Processdata......................................... 9

3.1 Configurableprocessdatamodules.......................... 10

3.2 Definitionofvaluestobetransmittedinthe“BlueControl” engineeringtool .... 11

3.3 Structureofthedatacachememoryinthebuscoupler ............... 12

3.4 Dataexchangeviavariablemultiplexermodule ................... 13

3.4.1 DatatransferfromtheProfibusmastertothebuscoupler ......... 13

3.4.2 DatatransferfromthebuscouplertotheProfibusmaster ......... 14

3.5 Dataexchangeviamultiplexermoduleswithfixeddatalength ........... 15

4ParametertransmissionviaparameterchannelinDP-V0 .............. 16

4.1 Messageelements .................................. 17

4.2 Generaltelegramstructure .............................. 18

4.3 Datawritesequence ................................. 19

4.4 Datareadsequence .................................. 19

4.5 Examples ....................................... 20

4.5.1 Example1:singleaccess,read,integervalue................ 20

4.5.2 Example2:blockaccess,read,floatvalue ................. 20

4.5.3 Example3:singleaccess,write,integervalue ............... 21

4.5.4 Example4:blockaccess,write,floatvalue ................. 22

5ParametertransmissionviaDP-V1 ........................... 22

6Userparametersetting,diagnosis ........................... 23

6.1 PROFIBUS-DP diagnosisinformation ......................... 24

6.1.1 StandardDiagnosismessage ........................ 24

6.1.2 Instrument-specificdiagnosis ...................... 25

7Quickentrance,attheexampleofSIMATIC®S7 .................. 26

7.1 Usingtheparameterchannel ............................. 27

7.1.1 Simplifiedaccess............................... 27

7.2 Directaccess ..................................... 28

7.3 Usingthemultiplexerfunction ............................ 29

preliminary 4 9499-040-69711

8FunctionmodulesforSIMATIC®S7 .......................... 30

8.1 FB106,FB107 structure ................................ 30

8.2 FB108 structure .................................... 32

9Annex ........................................... 34

9.1 Systemstructure ................................... 34

9.1.1 MinimumequipmentfoaPROFIBUSsystem ................ 34

9.1.2 MaximumequipmentofaPROFIBUSsystem ................ 34

9.1.3 Cableruninsidebuildings .......................... 34

9.1.4 Non-groundedsystems ........................... 35

9.2 Addresssurvey .................................... 36

9.3 Explanationofterms ................................. 39

9.4 GSDFile ........................................ 40

.1General

VariousfieldbusinterfacescanbeconnectedtoModularControllerSystemKSVARIO.Forthis,therelevantbuscoupler

isusedasa centralstation forthecontrollersystem.

OneofthesebuscouplersservestosupporttheModbusprotocolviaafront-panelRS485/422interface,whichpermits

transmissionofallprocess,parameterandconfigurationdata.

Theserialcommunicationinterfacecanbeusedforcommunicationwithsupervisorysystems,visualizationtools,etc.

Anotherinterface,whichisalwaysprovidedasstandard,isontheKSVARIOcontrollermodules.ThisfullRS232

interfaceisusedforconnectionofthe‘BlueControl’tool,whichrunsonaPC.Communicationisaccordingtothe

master/slaveprinciple.KSVARIOisalwaysslave.

Characteristicdataofthecablemediumandphysicalandelectricalinterfacepropertiesare:

Network

topology

Linearbuswithactivebusterminationatbothends.Withtransferrates?1,5Mbit/s,taplinesmustbeavoidedbyall

means.

Transfer

medium

Screened,twisted2-wirecable.ThebuscablepropertiesarespecifiedinstandardEN50170.Alltransferratesupto

12Mbits/scanbeusedwithtypeAcable.Inadditiontothestandardcable,underground,overheadsuspensionand

trailingcablesarealsoavailable.

Therecommendedcableparametersare:

TypeAcable

Characteristicimpedancein W135...165at3...20MHz

Operatingcapacity(pF/m) <30

Loopresistance[ W/km) <110

Corediameter(mm) >0,64

Corecrosssection(mm2) >0,34

Cablelengths Themax.cablelengthisdependentoftransferrate.TheBaudrateisdeterminedbythemasterconfigurationand

detectedautomaticallybyKSVARIO.Thecablelengthcanbeextendedbymeansofrepeaters.

Baudrates

Automatic

Baudrate

detection

Baudrate Maximumcablelength

9,6/19,2/31,25/45,45/93,75kbit/s 1200m

187,5kbit/s 1000m

500kbit/s 400m

1,5Mbit/s 200m

3/6/12Mbit/s 100m

Interface RS485;canbemountedatthesite

9499-040-69711 5 preliminary

Addressing 0...126(factorysetting:01)

Adjustmentisviathe2buscouplerrotaryswitchesorviatheBlueControlengineeringtool.Withaddresssettingvia

BlueControl,the2rotaryswitchesforaddresssettingmustbeinposition“00”.

InpositionOFF,thebusfunctionisswitchedoff(operationasifnointerfacewasprovided,includingbuserrormessage

switch-off).WhenchangingfromOFFtoavalidaddress,theDPsystemisreset(DPprocessorsystemreset).

Numberof

stations

32instrumentsinasegment.Canbeextendedto126bymeansofrepeaters.

Diagnosisand

monitoring

Fastprocessvaluetransmission

Displayofbuserror

-Errormessage

-LED

Particularities Configurableprocessdatamodules

Directinputandoutputreadingandwriting

Inputforcing

Back-upcontrollerfunction

Easyconnectioneventosmallcontrolsystems

1.1 Scopeofdelivery

Theengineeringsetcomprises:

Floppy

Pma_1030.gsdGSDfile

Pma_sup.arj Step7®functionmoduleasS7libr.

KSvario.zip projectexampleinStep7®forS7-300

Dev_KSVario-1.bct ConfigurationexampleforBlueControl®

InterfacedescriptionforPROFIBUS-DP–processdataandparameterdata

•Document”KSVARIOPROFIBUS-DP”(9499-040-69718) providesbasicexplanationsforconnectionofKSVARIO

toPROFIBUS-DPnetworks.Itcontainshintsforcyclicdataexchange.

•Moreover,additionalpossibilitiesfortransferofprocessvalues,parametersandconfigurationdataviathe

parameterchannelandviamultiplexoperationaredescribed.

GSDfile TheGSDfileisavailableasastandardfilewithEnglishtext(PMA_1030.gsd)andwithGermantexts(PMA_1030.gsg).

ForworkingwithyourPROFIBUSmasterconfigurationusingGermantexts,please,installfilePMA_1030.gsg.

preliminary 6 9499-040-69711

.2Hintsforoperation

2.1 Interfaceconnection

ThePROFIBUSisconnectedtothefront-panelsub-Dinterfaceofthebuscoupler.

ThephysicalsignalsarebasedonRS485interfaces.

Suitablecablingmustbeprovidedbytheuser,wherebythegeneralcablespecificationstoEN50170vol.2mustbe

followed.

Cablelaying

Wheninstallingthecables,thegeneralhintsforcablelayingprovidedbythemastermodulesuppliermustbetaken

intoaccount:

Cablelayinginsidebuildings(insideandoutsidecabinets)

Cablelayingoutsidebuildings

Potentialcompensation

Cablescreening

Measuresagainstinterferencevoltage

Taplinelength

BusterminationresistorsarenotcontainedintheVARIObuscoupler,butmustberealizedviatheexternalconnector,if

necessary.

SpecialhintsforPROFIBUScablelayingaregivenintechnicalguideline"MountingguidelinesforPROFIBUS-DP/FMS

(orderno.2.111[Germ.];2.112[Engl.]ofthePROFIBUSuserorganization.

Sub-Dpin

allocation

Connectionisviaa9-polesub-Dsocket.

2.2 SignificationofindicatorLEDs

LEDs

LEDno. LEDcolour Function

US green SegmentvoltageUSprovided

UM green ModulevoltageUMprovided

UB green CouplervoltageUBK provided

D1 red Buscoupler-to-PLCconnection:

-ok=LEDoff

-configurationerror=LEDblinks

-noconnection=LEDon

D2 red Buscoupler-to-controllerconnection:

-ok=LEDoff

-error=LEDblinks

9499-040-69711 7 preliminary

RxD/TxD-N(B)

GND

RxD/TxD-N(A)

PMA

2.3 Forcing

Inputs AllphysicalinputscanbeoverwrittenviathePROFIBUS-DP(configurable).Thuse.g.processvaluemeasurementvia

remoteI/O(e.g.VARIOI/Osystem)andentryviathebusarepossible.

Outputs Withoutputforcing,thefail-safefunctionsettingmustbetakenintoaccount.If"zero"fail-safebehaviourwas

adjusted,alloutputsaresettozeroincaseofbuserrorormasterstop,otherwise,theiroldvalueremainsunchanged.

2.4 Fail-safe

Userparametersetting‘fail-safe’determinestheinstrumentbehaviourincaseofmasterbusfailureor'busstop'.

Busfailure

Incaseofbusfailure,theinstrumentoperatesaccordingtothefollowingrules.

Fail-safe Reactionincaseofbusfailureormasterstop

Lastvalue Continueoperationwiththevaluessentlast

ForcedanaloginputsaresettoFAIL

zero ForcedanaloginputsaresettoFAIL1).

Forceddigitalinputsaresettozero

Forcedoutputsaresettozero

preliminary 8 9499-040-69711

.3Processdata

Forflexiblerealizationofhisrequirementsontransfervalues,memoryspaceandtransfertime,theusercancompose

theprocessdatatransmissionofadefinedselectionofmodules.Configurationisviatherelevantbusmaster

configurationtool.

Processdataandselectedparameterdataarewrittenandreadcyclically.

Userinputvaluesare storedbytheinstrumentonlyincaseofvaluechanging.

Dataformat Valuesase.g.processvaluesandset-pointsaretransmittedin16-bitFixPointformatwithonedigitbehindthedecimal

point.

Parameter

channel

Allprocess,parameterandconfigurationdataareaccessibleadditionallyviatheparameterchannel.Thesedataare

transmittewdoverseveralcyclesonrequest.FloatFormataccessesarealsopossible.Theseaccessesaredescribed

belowinthisdocumentation.

9499-040-69711 9 preliminary

3.1 Configurableprocessdatamodules

Forflexiblerealizationofhisrequirementsontransfervalues,memoryspaceandtransmissiontime, theusercan

composetheprocessdatatransmissionfromadefinedmoduleselection.Configurationisviatherelevantbus

configurationtoolofthebusmaster.Selectionwhichprocessdataandparametersaretobetransmittedisviathe

BlueControlengineeringtool.

Available

modules

Thefollowingmodulesareoffered:

No. Module Description Numb.bytes Type Identification

[hex]

Identification

[dec]

1 A.1 General:Parameter–Channel 8/8 0xF3 243

2 A.2 Variablemultiplexermodule 4/4 0x71 113

3 A.3 Multiplexermodulefor1data 6/6 Integer/Fix-Point1 OxF2 242

4 A.4 Multiplexermodulefor4data 12/12 Integer/Fix-Point1 0xF5 245

5 A.5 Multiplexermodulefor8data 20/20 Integer/Fix-Point1 0xF9 249

6 A.6 Multiplexermodulefor14data 32/32 Integer/Fix-Point1 0xFF 255

7 B.1 I/O:1wordinput 2 Integer/Fix-Point1 0x50 80

8 B.2 I/O:2wordsinput 4 Integer/Fix-Point1 0x51 81

9 B.3 I/O:4wordsinput 8 Integer/Fix-Point1 0x53 83

10 B.4 I/O:8wordsinput 16 Integer/Fix-Point1 0x57 87

11 B.5 I/O:16wordsinput 32 Integer/Fix-Point1 0x5F 95

12 B.6 I/O:1wordoutput 2 Integer/Fix-Point1 0x60 96

13 B.7 I/O:2wordsoutput 4 Integer/Fix-Point1 0x61 97

14 B.8 I/O:4wordsoutput 8 Integer/Fix-Point1 0x63 99

14 B.9 I/O:8wordsoutput 16 Integer/Fix-Point1 0x67 103

16 B.10 I/O:16wordsoutput 32 Integer/Fix-Point1 0x6F 111

Min.onemodulemustbeselected.

Thefollowingmodulesareavailabletotheuser:

•nspacekeepersfor1word,2,4,8,16words(word-consistent)

forinputandoutput(1,2,4,8,16values) àmoduleB

•onevariablemultiplexermodulewithavariablenumberoftransmitteddata.

4input/outputbytes àmoduleA.2

•Fourmultiplexermodulewithafixnumberoftransmitteddata àmoduleA.3…A.6

•oneparameterchannelmodulewith8input/outputbytes àmoduleA.1

•maxprocessdatainputlength:244bytes

•max.processdataoutputlength:244bytes

•max.numberofmodules:50

Unlessa“variablemultiplexermodule”isdefined,orifI/Omodulesaredefinedpriortoa"variablemultiplexermodule"

theI/Omodule(3-12)structurecorrespondstothestructureofthebuscouplerdatacache.

Thefollowingrestrictionsformoduledefinitionareapplicable:

Modules“Parameterchannel”and“variablemultiplexermodule”canbeinsertedonlyonce.

Module“Parameterchannel”cannotbeusedbehindmodule“variablemultiplexermodule”.

Behindmodule“variablemultiplexermodule”,min.oneI/Omodule(3–12)fortransmissionofactualprocessdataor

parametersmustbedefined.

preliminary 10 9499-040-69711

3.2 Definitionofvaluestobetransmittedinthe“BlueControl” engineeringtool

BlueControloffers2selectionmodesforthedatatobetransmitted:

•Max.120parametersandprocessdatafromanychannelsforwritingandmax.120forreading.Dataexchangeto

theProfibusmasterisbymeansoftheprocessdatamoduleslistedabove(I/Omodulesno.3–12).Theorderof

transmissionisdeterminedbythemoduleposition.

•Additionallyoralternatively,upto32parameterandprocessdataofanytypecanbeselectedincommonforall

channels.E.g.theprocessvaluesofallchannels(max.30)canbetransmittedbyselectingonedatum.Intotal,

upto960writeand960readdatacanbedefined(32datax30channels).

Theseselecteddata(max.1080writeand1080readdata)areavailableinthebuscouplerascachememoriesinthe

orderdefinedinBlueControl.

TheindexesoroffsetsofthedataaredisplayedorcanbeprintedoutviatheBlueControltool.

9499-040-69711 11 preliminary

3.3 Structureofthedatacachememoryinthebuscoupler

IndexReadcache Content

upto 120

anydataofanychannels

from 121

upto 1080

selecteddata(identicalforallchannels):

alldatachannel1

alldatachannel2

...

alldatachannel30

IndexWritecache Content

upto 120

anydataofanychannels

from 121

upto 1080

selecteddata(identicalforallchannels):

alldatachannel1

alldatachannel2

...

alldatachannel30

ReadandwriteaccesstothecachememorydatainthebuscouplerispossiblealsoviaparameterchannelandDPV-1

message.

Datawhicharewrittenpermanentlyorviathe“multiplexermodule”oftheprocessdatachannelcannotbechanged

usingparameterchannelandDPV-1message,becausetheyareoverwrittenduringthefollowingdataexchangeonthe

Profibus.Problemsofthistwo-pointoperationmustbetakenintoaccountbytheuser.

preliminary 12 9499-040-69711

3.4 Dataexchangeviavariablemultiplexermodule

ModuleA.2 InKSVario,max.1080processdatacanbedefinedforreadandwriteaccess.Asthislargenumberofdatacannotbe

providedononeProfibusprocessarea,thevariablemultiplexermodulepermitsmultiplexingintheI/Omodules(3-12)

.Forthis,4-byteindexinformationistransmittedinbothdirections.

Application

example:

Inthebusconfiguration,216-wordI/Omodules(e.g.I/Omodule12)arespecifiedbehindthevariablemultiplexer

module.

In BlueControl,e.g.32processdata/parametersareselectedforeachchannel.Thedataperchannelarearranged

successivelyinthebuscouplercachememory.Viathevariablemultiplexmodule,e.g.all32dataofachannelper

accesscanbetransmitted.Subsequently,thedataofthenextchannelcanbetransmittedbymeansofanewentryin

IndexOUT.

Thevariablemultiplexermoduledatastructureis:

ModuleeA.2

Datadirection Word Valuerange Description

IndexOUT Index_Read 0–1080 Indexofcachememoryofthe1stdatumofthedatablock

requestedbythePLC

Index_Write 0–1080 Indexofcachememoryofthe1stdatumofthedatablock

definedbythePLC

IndexIN Index_Read 0–1080 Indexofthecachememoryofthe1stdatumofthedatablock

providedbythebuscoupler

Index_Write 0–1080 Indexofthecachememoryofthe1stdatumofthedatablock

takenoverbythebuscoupler

IndexOUT Thedatacontaintheinformationfromwhichcachememoryindexmasterdatashallbesent,orbuscouplercache

memorydatashallberequested/read.

IndexIN Thedatacontainthemirroredinformationwhichbuscouplerdataareprovidedtothemaster,orwhichdataweretaken

overbythebuscoupler.

3.4.1 DatatransferfromtheProfibusmastertothebuscoupler

Write Fordatatransferfromthemastertothebuscoupler,themasterentersthedataintothedataarea(I/Omodules3-12)

behindthevariablemultiplexermoduleandsetstheindexwritewordfromIndexOUTtotheindexofthe

corresponding1stdatumofthedatacache(buscoupler).

UnlessamastercanensureconsistentoutputofdataentryandrelevantaddressintheindexwordontheProfibus,the

indexwritewordmustbesetto0atthebeginningoftheoperationforsignallingthatthedatacannotbetakenoverby

thebuscouplerinstantaneously.Finally,thevalueforthe1stdatumofthetransferredareaisenteredbythemaster.

ThebuscouplerstoresthedatasuccessivelyinitsdatacachefromthepositionspecifiedintheIndexWriteword.The

buscouplersignalsdatastoragebyentryoftheindexforthe1stdatumintotheindexwritewordoftheindexINarea.

Thebuscouplercontinuestakingoverthedatacyclically,untilthevalueindatumindexwritewordofindexOUT

changes.

Iftheindexwriteworddefinesadatarangebeyondthemax.numberof1080processdata,take-overbythebus

couplerisnotconfirmed.0isreturnedintheindexwritewordofindexIN.

9499-040-69711 13 preliminary

3.4.2 DatatransferfromthebuscouplertotheProfibusmaster

Read Themasterrequestsdatafromthebuscouplerbyentryofthe1stdatumofthedatacache(buscoupler)intotheindex

readwordofindexOUT.

Thebuscouplerenterstherequireddatasuccessively,startingwiththe1stdatumdefinedintheindexreadwordof

indexOUT,intothedataareaofthevariablemultiplexermodule.Subsequently,theindexofthe1stdatumofthe

transmitteddataareaisenteredintotheindexreadwordofindexIN.

Unlessthebuscouplercanensurethatthedataentryandtherelevantconfirmationintheindexreadwordareoutput

consistentlyontheProfibus,theindexreadwordmustbesetto0atthebeginningoftheoperation,forsignallingthat

datatake-overbythemasterisnotpossibleinstantaneously.Finally,thevalueforthe1stdatumofthetransferred

rangeisenteredbythebuscoupler.

Thebuscouplerupdatestherequireddataineachcycle,untilthedatavalueoftheindexreadwordofindexOUT

changes.

Iftheindexreadworddefinesadatarangeexceedingthemax.1080processdata,takeoverbythebuscouplerisnot

confirmed.0isreturnedintheindexreadwordoftheindexIN.

3.5 Dataexchangeviamultiplexermoduleswithfixeddatalength

Modules

A.3...A.6

4multiplexmoduleswithfixeddatalengtharedefined(1datum,4data,8dataor14dataforeachdirection).These

modulesincludethemultiplexfunctionandafixednumberofdatapertainingtothismodule.Thedataaredefinedas

consistentdataandmustalsobetransmittedinthisform.Ifamastercanensuretheseonlyinconjunctionwith

consistentdatamodels(SiemensS7),thesemodulesmustbeused.

Severalmultiplexmodulescanbeused.Singledataandthemodulefortheparameterchannelmustbeusedpriorto

thefirstmultiplexmodule.

Thedatastructureofthemultiplexermodulewithfixeddatalengthis:

e.g.module

A.4

Datadirection Word Range Description

IndexOUT Index_Read 0–1080 Indexofthecachememoryofthe1stdatumofthedatablock,

whichisrequestedfromthe PLC

Index_Write 0–1080 Indexofthecachememoryofthe1stdatumofthedatablock,

whichisdefinedbythePLC

ReadValue1 2bytes

ReadValue2 2bytes

ReadValue3 2bytes

ReadValue4 2bytes

IndexIN Index_Read 0–1080 Indexofthecachememoryofthe1stdatumofthedatablock,

whichisprovidedbythebuscoupler

Index_Write 0–1080 Indexofthecachememoryofthe1stdatumofthedatablock,

whichwastakenoverbythebuscoupler

Writevalue1 2bytes

Writevalue2 2bytes

Writevalue3 2bytes

IndexOUT Thedatacontaintheinformationfromwhichindexofthecachememorymasterdataaresentordatafromthecache

memoryofthebuscouplershallberequested/read.

IndexIN Thedatacontainthemirroredinformationwhichbuscouplerdataareprovidedbythemasterorwhichdataweretaken

overbythebuscoupler.

Themultiplexmodulesaresupportedbyafunctionmoduleinthe“KSVARIOEngineeringSet”-->FB108(seechapter

“FunctionblocksforSimaticS7”).

preliminary 14 9499-040-69711

.4Parametertransmissionviaparameterchannelin DP-V0

Forparametertransmission,a"parameterchannel"fortransparentdataexchangeindependentoftheselectedprocess

dataisavailable,wherebyallpossibleprotocolaccessmodesaresupported(singleorblockaccess,integerorrealdata

format).Communicationtothecontrolleristransparent,i.e.theuserhimselfisresponsibleformonitoringofvalue

ranges,operatingmodes(remote/local)etc.

Theparameterchannelisdesignedforhigherdataquantitieswithlowrequirementsonthetransferspeed.This

messageisprovidedbycyclicprocessdataexchange(alsoDP-V0(=standard)operation).

Parameter

channel

Accesstoprocess,parameterandconfigurationdataisviatheparameterchannel.Thesedataaretransmittedover

severalcyclesonrequest.

TheusercansetuptheparameterchanneltransmissionbyselectingmoduleA.1inhisPROFIBUSconfiguration.

Configurationisviatherelevantbusconfigurationtoolofthebusmaster.

ModuleeA.1 Generalparameter channel:1)

Parameterchannel

Read Numberofbytes Write Numberofbytes

Replydata 8 Requesteddata 8

9499-040-69711 15 preliminary

channel

Fig.: 1 Parameterchannelschematicdiagram

1) Please,notethatconsistentdatatransferisnecessary!

4.1 Messageelements

Anexplanationofseveraltermsusedintheparameterchannelprotocolisgivenbelow:f

Element Description

ID Telegramtypeidentification

ID1 Dataformatoftransmittedorreceiveddata

Rd.Cnt Numberofdatatoberead

Adr.High Highbytestartaddress

Adr.Low Lowbytestartaddress

Cnt.Real Numberofrealdatatobewritten

Cnt.Int Numberofintegerdatatobewritten

ElementIDidentifiesthetelegramtype: ID=0x10(16dez)=starttelegram

ID=0x68(104dez)=datatelegram

ID=0x16(22dez)=endtelegram

ID1

ElementID1definesthedataformat: ID1=0 =integer

ID1=1,3 =real

ID1=2 =singlecharacters(char)

ID1=4 =charactersincompactformat

Integer(0)

format

Dataaretransmittedas2integerbytesinthedatatelegram.Thestartaddressdeterminesifthesedataareinteger,

FixPoint1,FixPoint2orFixPoint3values.Astartaddressinthefloataddressrangeisconvertedintotherelevantinteger

range.

Real(1,3)

format

Dataaretransmittedas4realbytesinthedatatelegram.Unlessthedefinedstartaddressisintherealaddressrange,

itisconvertedintotherelevantrealrange.

Character(2)

format

Dataaretransmittedas1characterbyteinthedatatelegram.Unlessthedefinedstartaddressisintheinteger

addressrange,itisconvertedintotherelevantintegerrange.

Compact

character(4)

format

Dataaretransmittedas4characterbytes inthedatatelegram.Unlessthedefinedstartaddressisintheinteger

addressrange,itisconvertedintotherelevantintegerrange.Unuseddigitsinthedatatelegramarefilledwithvalue

0x00.

Rd.Cnt Rd.Cntdefinesthenumberofdataintheselectedformat(ID1)toberead.

gForthispurpose,dataCnt.RealandCnt.Intmustbezero.

Adr.High/

Adr.Low

FieldsAdr.HighandAdr.Lowdefinethestartaddressoftransmitteddata.Theaddressissplitintoahighbyteanda

lowbyte.

Theaddressdirectoryisdividedintovariousareas.E.g.bitD15determines,ifavalueisofthefloatorofthe

integer/fixpointtype.

Theaddresssurveyisgivenintheannexanddetailledindocument:“ParameterTableKSVario”.

Cnt.Real Specifiedvalueforthenumberofrealvalues(ID1=1,3)tobewritten.ThevalueforCnt.Intmustbe0.

Cnt.Int Specifiedvalueforthenumberofintegervalues(ID1=0,2,4)tobewritten.ThevalueforCnt.Realmustbe0.

preliminary 16 9499-040-69711

4.2 Generaltelegramstructure

Fortransmissionoftherequiredparametersviaan8-bytedatawindow,anaccessiscomposedofstart,dataandend

telegram.Thestructureofmessagestransmittedbythemasterisshownbelow.

gPlease,notethatconsistentdatatransmissionofthe8bytesfortheparameterchannelisnecessary.

Starttelegram qStarttelegramwithdataformat,startaddressandnumberofdatatobetransmitted

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

ID ID1 Rd.Cnt Adr.High Adr.Low 0 Cnt.Real Cnt.Int

Datatelegram qndatablockswiththetransmitteddata

Datatelegramstructure:

a)TransmissionofREALvalues(ID1=1,3)

Realformat

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

ID Count Float

b)Transmissionofintegervalues(ID1=0)

Integerformat

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

ID Count Integer

c)Transmissionofcharvalues(ID1=2)

Character

format

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

ID Count Char

d)Transmissionoffourcharacter(ID1=4)

Stringformat

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

ID Count Char Char+1 Char+2 Char+3

ThebytesequenceforrealandintegerformatsisaccordingtouserparametersettingasMotorola

(default)oerIntelformat.Forthis,seealsodocumentPROFIBUS-DPProcessdata”(9499-040-66618)

Endtelegram qanendblock,providestheoperationresult

Endtelegramstructure:

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

ID Result

SignificationofResult

0 OK

2 Faultyaddress

3 Invalidvalue

4 Bufferoverflow

Readingorwritingarealwaysstartedbythemaster.IfthevaluesofCnt.RealorCnt.Intare ¹0,awriteservice,

otherwise,areadservice,isstarted.Forthelatter,avalueRd.Cnt ¹0isaprerequisite.

9499-040-69711 17 preliminary

4.3 Datawritesequence

qStarttelegram:

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

Mastersends: 0x10 ID1 0 Adr.High. Adr.Low 0 Cnt.Real1) Cnt.Int1)

Controller

replies:

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

0x10

qDatatelegrams:

Byte0 Byte1 Byte2 Byte3 Byte4-7

Mastersends: 0x68 Count Value

Controller Byte0 Byte1 Byte2 Byte3 Byte4-7

replies: 0x68 Count

WithCount=1,thefirstvalueissent,countismirroredbyKSVARIO(1 £Count £Cnt.RealorCnt.Int).

qEndtelegram:

Byte0 Byte1 Byte2 Byte3 Byte4-7

Mastersends: 0x16

Controller Byte0 Byte1 Byte2-3 Byte4-7

replies: 0x16 Result

4.4 Datareadsequence

qStarttelegram:

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

Mastersends: 0x10 ID1 Rd.Cnt Adr.High Adr.Low 0 0 0

Controller

replies:

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

0x10 Cnt.Real1) Cnt.Int1)

qDatatelegrams:

Byte0 Byte1 Byte2 Byte3 Byte4-7

Mastersends: 0x68 Count

Controller Byte0 Byte1 Byte2 Byte3 Byte4-7

replies: 0x68 Count Value

WithCount=1,thefirstvalueisrequested,Countismirroredbythecontrollerforflowcontrolandthevalueisalso

sent( 1 £Count £Cnt.RealorCnt.Int).

qEndtelegram:

Byte0 Byte1 Byte2 Byte3 Byte4-7

Mastersends: 0x16

Controller Byte0 Byte1 Byte2-3 Byte4-7

replies: 0x16 Result

preliminary 18 9499-040-69711

1) Selection:onlyoneofvaluesCnt.RealandCnt.Intmaybef ¹0.

4.5 Examples

4.5.1 Example1:singleaccess,read,integervalue

Proportionalband1ofcontrolchannel1(Pb1)ofthecontrollershallbereadoutinFixPoint1format.

Address=0x4000(offsetforFixPoint1)+0x400(channel1)+0x96(Pb1)= 0x4496

Starttelegram:

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

Mastersends: 0x10 0x0 0x1 0x44 0x96 0 0 0

Controller

replies:

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

0x10 0 1

Datatelegram1:

Byte0 Byte1 Byte2 Byte3 Byte4-7

Mastersends: 0x68 1

Controller Byte0 Byte1 Byte2 Byte3 Byte4-7

replies: 0x68 1 Value

Endtelegram:

Byte0 Byte1 Byte2 Byte3 Byte4-7

Mastersends: 0x16

Controller Byte0 Byte1 Byte2-3 Byte4-7

replies: 0x16 0

4.5.2 Example2: blockaccess,read,floatvalue

Theparametersoftheset-pointsettingforcontrolchannel2(SPLo,SPHi,SP2,rSP )shallbereadinrealformat.

Address=0x8000(offsetforfloat)+0xC00(channel2)+0x69x2(SPLo)= 0x8CD2, 4values.

Starttelegram:

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

Mastersends: 0x10 0x1 0x4 0x8C 0xD2 0 0 0

Controller

replies:

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

0x10 4 0

9499-040-69711 19 preliminary

Datatelegram1:

Byte0 Byte1 Byte2 Byte3 Byte4-7

Mastersends: 0x68 1

Controller Byte0 Byte1 Byte2 Byte3 Byte4-7

replies: 0x68 1 Value

…

Datatelegram4:

Byte0 Byte1 Byte2 Byte3 Byte4-7

Mastersends: 0x68 4

Controller Byte0 Byte1 Byte2 Byte3 Byte4-7

replies: 0x68 4 Value

Endtelegram:

Byte0 Byte1 Byte2 Byte3 Byte4-7

Mastersends: 0x16

Controller Byte0 Byte1 Byte2-3 Byte4-7

replies: 0x16 0

4.5.3 Example3: singleaccess,write,integervalue

Writederivativetime1ofcontrolchannel30 (td1)inintegerformat

Address=0x0000(offsetforinteger)+0x3E00(channel30)+0x9A(td1)= 0x3E9A

Starttelegram:

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

Mastersends: 0x10 0x0 0x0 0x3E 0x9A 0 0 1

Controller

replies:

Byte0 Byte1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7

0x10

Datatelegram1:

Byte0 Byte1 Byte2 Byte3 Byte4-7

Mastersends: 0x68 1 Value

Controller Byte0 Byte1 Byte2 Byte3 Byte4-7

replies: 0x68 1

Endtelegram:

Byte0 Byte1 Byte2 Byte3 Byte4-7

Mastersends: 0x16

Controller Byte0 Byte1 Byte2-3 Byte4-7

replies: 0x16 0

preliminary 20 9499-040-69711

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West Control Solutions BK DP/V1 User manual

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West Control Solutions BK DP/V1 User manual

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