Kubler 571T - 6 Appendix; Data Readout Via Serial Interface

R60723.0002–Index6c EN‐page49/62
6 Appendix
6.1 Datareadoutviaserialinterface
AllcodesshownintheparameterSERIALVALUEareavailableforserialreadoutbyPCor
PLC.ThecommunicationofKüblerdevicesisbasedontheDrivecomprotocolaccordingto
ISO1745ortheModbusRTUprotocol.Allprotocoldetailscanbefoundinourmanual
SERPRO(Drivecom)whichisavailable
fordownloadfromourhomepage
www.kuebler.comandinthechapter“ModbusRTUInterface”inthismanual.

Torequestforadatatransmissionyoumustsendthefollowingrequeststringtothe
converter:
EOT
 AD1 AD2 C1 C2 ENQ
EOT=controlcharacter(Hex04)
AD1=unitaddress,HighByte
AD2=unitaddress,LowByte
C1=registercode,HighByte
C2=registercode,LowByte
ENQ=controlcharacter(Hex05)


Thefollowingexampleshowstherequeststringforreadoutoftheactualinputfrequency
ofamonitor(Code:1)fromaunitwithunitaddress11:
ASCII‐Code: EOT 1 1 : 1 ENQ
Hex‐Code: 04 31 31 3A 31 05
Binary‐
Code:
00000100 00110001 00110001 00111010 00110001 00000101


Afteracorrectrequest,theunitwillrespond:
STX
 C1 C2 xxxxx ETX BCC
STX=controlcharacter(Hex02)
C1=registercode,HighByte
C2=registercode,LowByte
xxxxx=readoutdata
ETX=controlcharacter(Hex03)
BCC=blockcheckcharacter