Rockwell Automation 865 Differential Protection Relay User Manual
Page 96
4-4 Supporting
Functions
865-UM001A-EN-P – July 2009
Table 4.4 – Disturbance Recorder Parameters
Parameter
Value
Unit
Description
Note
Mode
Saturated
Overflow
Behaviour in memory full
situation:
No more recordings are accepted
The oldest recorder will be
overwritten
Set
SR
32/cycle
16/cycle
8/cycle
1/10ms
1/20ms
1/200ms
1/1s
1/5s
1/10s
1/15s
1/30s
1/1min
Sample
rate
Waveform
Waveform
Waveform
One cycle value
One cycle value
Average
Average
Average
Average
Average
Average
Average
Set
Time
s
Recording
length
Set
PreTrig
%
Amount of recording data before
the trig moment
Set
MaxLen
s
Maximum time setting.
This value depends on sample
rate, number and type of the
selected channels and the
configured recording length.
Status
–
Run
Trig
FULL
Status of recording
Not active
Waiting a triggering
Recording
Memory is full in saturated mode
ManTrig
–
Trig
Manual
triggering
Set
ReadyRec
n/m
n = Available recordings
m = maximum number of
recordings
The value of 'm' depends on
sample rate, number and type of
the selected channels and the
configured recording length.
Set = An editable parameter (password needed)
This is the fundamental frequency rms value of one cycle updated every 10 ms.
This is the fundamental frequency rms value of one cycle updated every 20 ms.