Areva MiCOM P225, Technical Manual

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Communication P225/EN CT/B11
MiCOM P225 Page 11/52
1.8 MiCOM P225 database organisation
1.8.1 Description of the MODBUS application mapping
The MODBUS mapping contains 60 pages.
Pages 0 to 8 : Contain the MiCOM P225 parameters.
Pages 9 to 51h : Contain the data of the event records, data of the fault value records, data
of the disturbance records and data of both start-up current & voltage form record.
These pages are explained in the following way :
Page No Page content Access
Page 0h Information of product, remote signalling, remote
measurements Reading
Page 1h Remote settings for general parameters Reading & writing
Page 2h Remote settings for protection group number 1 Reading & writing
Page 3h Remote settings for protection group number 2 Reading & writing
Page 4h Remote controls Writing
Pages 5h &
6h Reserved page Not accessible
Page 7h MiCOM P225 relay status word Quick reading
Page 8h Synchronisation Writing
Pages 9h to
21h Disturbance record data Reading
Page 22h Index frame for the disturbance records Reading
Pages 23h to
33h Start-up current form record data Reading
Page 34h Index frame for the start-up current form record Reading
Page 35h Event record data Reading
Page 36h Data of the oldest event Reading
Page 37h Fault value record data Reading
Pages 38h to
3Ch Selection of the disturbance record and selection of its
channel Reading
Page 3Dh Number of available disturbance records Reading
Page 3Eh Data of the oldest fault value record Reading
Page 3Fh Reserved page Not accessible
Pages 40h to
50h Start-up voltage form record data Reading
Page 51h Index frame for the start-up voltage form record Reading