Beckhoff CX210000x4 Manual de usuario descargar pdf (Pagina 17)

Productoverview

Sothattheparameterscanbeviewedandchangedinadvancewithoutthepresenceofaslave,adefault

copyoftheentiredirectoryisusuallystoredinthedevicedescriptionfileESI(XML).Thisiscalledtheoffline

directory.ChangesinthisdirectorydonotaffectthelateroperationoftheslavewithTwinCAT.Thexmlfiles

canbeobtainedfromtheBeckhoffwebsiteintheDownload area.

TheTwinCATsystemmanager2.11candisplaybothlistsandmarksthis:

intheonlinedirectory intheofflinedirectory

theactualcurrentslavelistisread.Thismaytake

severalseconds,dependingonthesizeandcycle

time

theofflinelistfromtheESIfileisdisplayed.Inthis

casemodificationsarenotmeaningfulorpossible.

theactualidentityisdisplayed theconfiguredstatusisshownunderIdentity

thefirmwareandhardwareversionoftheequipment

accordingtotheelectronicinformationisdisplayed

nofirmwareorhardwareversionisdisplayed,since

thesearefeaturesofthephysicaldevice

agreenonlineisvisibleintheTwinCATSystem

Manager,CoEOnlinetab

aredofflineisvisibleintheTwinCATSystem

Manager,CoEOnlinetab

Classification

DifferentCoEparametertypesarepossible,includingstring(text),integernumbers,Booleanvaluesorlarger

bytefields.Theycanbeusedtodescribeawiderangeoffeatures.Examplesofsuchparametersinclude

manufacturerID,serialnumber,processdatasettings,devicename,calibrationvaluesforanalog

measurementorpasswords.

TherangesintheSlaveCoEthatareimportantfortheapplicationorientedEtherCATfieldbususerare

• x1000:Thisiswherefixedidentityinformationforthedeviceisstored,includingname,manufacturer,

serialnumberetc.,plusinformationaboutthecurrentandavailableprocessdataconfigurations.

• x8000:Thisiswheretheoperationalandfunctionalparametersforallchannelsarestored,suchas

filtersettingsoroutputfrequency.

Thefollowingrangesarealsoofinterest

• x4000:InsomeEtherCATdevicesthechannelparametersarestoredhere(asanalternativetothe

x8000range).

• x6000:InputPDOs("input"fromtheperspectiveoftheEtherCATmaster)

• x7000:OutputPDOs("output"fromtheperspectiveoftheEtherCATmaster)

Channelbasedorder

TheCoEdirectoryislocatedinEtherCATdevicesthatusuallyencompassseveralfunctionallyequivalent

channels.e.g.a4channel0–10Vanaloginputterminalalsohas4logicalchannelsandthus4identical

setsofparameterdataforthechannels.Inordertoavoidhavingtolisteachchannelinthedocumentation,

theplaceholder"n"tendstobeusedfortheindividualchannelnumbers.

IntheCoEsystem16indices,eachwith255subindices,aregenerallysufficientforrepresentingallchannel

parameters.Thechannelbasedorderisthereforearrangedin16

dec

/10

hex

steps.Theparameterrangex8000

exemplifiesthis:

Channel0:parameterrangex8000:00...x800F:255

Channel1:parameterrangex8010:00...x801F:255

Channel2:parameterrangex8020:00...x802F:255

tbc...

Thisisgenerallywrittenasx80n0.

CoEdirectory–changesofvalue

Severalparameters,inparticularthesettingparametersoftheslave,arevariableandcanbewrittenbythe

userfromthefieldbusside.Thiscanbedoneinwriteorreadmode

CX210000x4 17Version1.0

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