Data Sheet

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14
ETHERIO24TCPDATASHEET
OverviewofCommandSet
IdentifyEtherIO24Units
Command
Sent
ASCII
Code
Bytes Data
Function
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IO24 4‐
Usedtoidentify/findmodulesonthe
networkandsendspecificmodule
information(MACaddress)
Command
Reply
ASCII
Code
Bytes
Data
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IO24 12
6BytesbeingtheModules’MACAddress
2BytesbeingtheModules’FirmwareVersion
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Operation:ThisOperationisusedtofindmodulesonthenetworkasthemodule
willrespondtothiscommandwhenbroadcast.Whenthiscommandis
received,theModule’sInformationissentbacktothehost,themodule’s
IPAddresscanbeobtainedfromtheSourceAddressofthepacket.
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WritePortValue 
WritePortA
ASCII
Code
Bytes Data Function
A 2
Port‐
Value
Writesdatatoportsoutputlines.Abitvalue
of1setsthecorrespondinglinehighanda0
setsitlow
Thepowerupdefaultvalueforthisportis0
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Operation:ThiscommandaffectsanyoftheeightlinesofPortAthataresetas
outputs.Theportvalueiswrittentotheentireportwitheachofthe
valuesbitsaffectingthecorrespondingI/Oline.TochangeasingleI/O
linewithoutaffectingtheothersitisrequiredtostoretheoldvalue
oftheportorreaditscurrentvaluebeforewritinganewvaluewith
onlythecorrespondingbitschanged.Thiscommanddoesnotaffectany
I/OlinesthataresetasInputs.
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WritePortB
ASCII
Code
Bytes Data Function
B 2
Port‐
Value
Writesdatatoportsoutputlines.Abitvalue
of1setsthecorrespondinglinehighanda0
setsitlow
Thepowerupdefaultvalueforthisportis0
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Operation:SameoperationasWritePortARegisterbutimplementedonPortB
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WritePortC
ASCII
Code
Bytes Data Function
C 2
Port‐
Value
Writesdatatoportsoutputlines.Abit
valueof1setsthecorrespondinglinehighand
a0setsitlow
Thepowerupdefaultvalueforthisportis0
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©
2013ElexolPtyLtd Revision1.3
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