P92x/EN CT/E11 Technical Guide
Courier Database
Page 70/118 MiCOM P921-P922-P923
2.1.3 Auxiliary equipment
For communication with the relay it is necessary to have at least one converter case
K-Bus/IEC870-5 of the type KITZ and a computer suitable software, an
interconnection cable RS232 for connecting the KITZ to the computer and a software
conform to the specification of the Courier protocol.
2.2 Relay Courier Database
The Courier database is two dimensional structure with each cell in a database being
referenced by a row and a column address. Both the column and the row can take a
range from 0 to 255. Addresses in the database are specified as hexadecimal
values, eg 0A02 is column 0A ( 10 decimal ) row 02. Associated settings /data will
be part of the same column, row zero of the column contains a text string to identify
the contents of the column.
This database is given in APPENDIX 1.
2.2.1 Main Reference Cells
Cell 0020: description on paragraph 1.4.6
Cell 0021: description on paragraph 1.4.7
Cell 0022: description on paragraph 1.4.8
Cell 0023: description on paragraph 1.4.9
Cell 0024: description on paragraph 1.4.9
Cell 0025: description on paragraph 1.4.9
Cell 0026: description on paragraph 1.4.9
(see APPENDIX 1).
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