V01005
Start
Read status word from
r
egister 3x0001
Is disturbance bit
(
bit 4) set?
Select next oldest non-
e
xtracted record by writing
0x04 to register 4x00400
Send command to accept
and select next record by
writing 0x0C to register
4x00400
Extract disturbance record
Yes
N
o
FirstTime = True
FirstTime = True
Is FirstTime =
T
rue?
Yes
No
FirstTime = True
FirstTime = False
Error
Figure 52: Automatic selection of disturbance record - method 2
9.6.3 EXTRACTING THE DISTURBANCE DATA
The extraction of the disturbance record is a two-stage process that involves extracting the configuration file
first and then the data file. first the configuration file must be extracted, followed by the data file:
MiCOM P747 Chapter 7 - SCADA Communications
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