Figure 54: Data File Extraction - GE MiCOM P747 Agile Technical Manual

MiCOM P747
Extracting the comtrade data file
Record complete (mark
record as extracted;
automatic extraction only)
V01007

Figure 54: Data file extraction

During the extraction of the COMTRADE files, an error may occur, which will be reported on the DR Status
register 3x00934. In this case, you must take action to re-start the record extraction or to abort according to
the table below.
Value State
0 Idle
1 Busy
2 Page ready
3 Configuration complete All of the configuration data has been read without error.
4 Record complete
5 Disturbance overwritten
P747-TM-EN-1
P747-TM-EN-1.1
(Configuration
Send 'Select Data File'
to register 4x00400
Read DR status value
from register 3x00934
Record complete
What is the value
of DR status?
Read number of
registers in data page
from address 3x00802
Read data page
registers starting at
Store data to binary file
in the order the data
were received
This will be the state reported when no record is selected; such as after power on or after a record has
been marked as extracted.
The relay is currently processing data.
The data page has been populated and the master station can now safely read the data.
All of the disturbance data has been extracted.
An error occurred during the extraction process where the disturbance being extracted was overwritten by
a new record.
Chapter 7 - SCADA Communications
Start
complete)
Busy
Check DR status
for error
conditions or
Busy status
Other
Page ready
3x00803
Send 'Get next page of
Description
To parent
procedure
Error
data' to register
4x00400
219