20.7.5
Monitored data
PID-5190-MONITOREDDATA v4
Table 957: DOSFRNT Monitored data
Name
Type
Values (Range)
Unit
Description
State
INTEGER
0=Off
1=Normal
2=Throttle
3=DiscardLow
4=DiscardAll
5=StopPoll
-
Frame rate control state
Quota
INTEGER
-
%
Quota level in percent 0-100
PID-5189-MONITOREDDATA v4
Table 958: DOSLANAB Monitored data
Name
Type
Values (Range)
Unit
Description
DoSStatus
INTEGER
0=Off
1=Normal
2=Throttle
3=DiscardLow
4=DiscardAll
5=StopPoll
-
Frame rate control state
Quota
INTEGER
-
%
Quota level in percent 0-100
PID-5188-MONITOREDDATA v4
Table 959: DOSLANCD Monitored data
Name
Type
Values (Range)
Unit
Description
DoSStatus
INTEGER
0=Off
1=Normal
2=Throttle
3=DiscardLow
4=DiscardAll
5=StopPoll
-
Frame rate control state
Quota
INTEGER
-
%
Quota level in percent 0-100
20.7.6
Operation principle
GUID-94340D4F-4D32-409B-BA1A-BA49A0C3F297 v4
The Denial of service functions (DOSFRNT, DOSLANAB and DOSLANCD) measures the IED load
from communication and, if necessary, limit it for not jeopardizing the IEDs control and protection
functionality due to high CPU load. The function has the following outputs:
•
LINKUP indicates the Ethernet link status
•
WARNING indicates that communication (frame rate) is higher than normal
•
ALARM indicates that the IED limits communication
1MRK 502 066-UUS B
Section 20
Security
1235
Technical manual
Содержание Relion 670 series
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