Figure 204: Automatic Selection Of Disturbance Record - Method 1 - GE MiCOM P40 Agile Technical Manual

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P14x
Chapter 18 - Communications
Start
Read status word from
register 3x0001
No
Is disturbance bit
(bit 4) set?
Yes
Error
Select next oldest non-
extracted record by writing
0x04 to register 4x00400
Send command to accept
Extract disturbance data
record by writing 0x08 to
register 4x00400
V01004

Figure 204: Automatic selection of disturbance record - method 1

Method 2
Method 2 is more complex to implement but is more efficient at extracting large quantities of disturbance records.
This may be useful when the disturbance recorder is polled only occasionally and therefore may have many stored
records.
P14xEd1-TM-EN-1
437

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