ABB RELION REX640 Technical Manual page 1330

Supervision functions
The sampling latency S
algorithm assumes that the one-way propagation delay P
directions.
The echo method without GPS can be used in telecommunication transmission
networks as long as delay symmetry exists, that is, the sending and receiving delays
are equal.
6.4.6 Signals
6.4.6.1 PCSITPC Output signals
Table 1270: PCSITPC Output signals
Name
OK
WARNING
ALARM
COMM
6.4.7 PCSITPC Settings
Table 1271: PCSITPC Non group settings (Advanced)
Parameter Values (Range)
Reset delay time 100...300000
Alarm count 0...99999
Warning count 0...99999
6.4.8 PCSITPC Monitored data
Table 1272: PCSITPC Monitored data
Name Type
HEALTH Enum
ALARM_CNT INT32
Table continues on the next page
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is calculated for each telegram on both ends. The
d
Type
BOOLEAN
BOOLEAN
BOOLEAN
BOOLEAN
Unit Step
ms 10
1
1
Values (Range)
1=Ok
2=Warning
3=Alarm
-2=Waiting
0...99999
is equal for both
d
Description
Protection communication ok
Protection communication
warning
Protection communication
alarm
Communication detected, ac-
tive when data is received
Default
1000
0
0
Unit Description
Communication link
health
Number of alarms de-
tected
1MRS759142 F
Description
Reset delay time
from alarm and
warning into ok
state
Set new alarm
count value
Set new warning
count value
REX640
Technical Manual