ABB RELION REX640 Technical Manual page 1272

Protection related functions
5.12.7.2 CRWPSCH Output signals
Table 1200: CRWPSCH Output signals
Name
OPR_IRV
OPR_WEI
ECHO
CR
5.12.8 CRWPSCH Settings
Table 1201: CRWPSCH Non group settings (Basic)
Parameter Values (Range)
Operation
1=on
5=off
Reversal mode
1=Off
2=On
Wei mode
1=Off
3=Echo
4=Echo and Oper-
ate
PhV level for Wei 0.10...0.90
PPV level for Wei 0.10...0.90
Reversal time 0...60000
Reversal reset time 0...60000
Wei Crd time 0...60000
5.12.9 CRWPSCH Monitored data
Table 1202: CRWPSCH Monitored data
Name Type
CRWPSCH Enum
1272
Type
BOOLEAN
BOOLEAN
BOOLEAN
BOOLEAN
Unit Step
xUn 0.01
xUn 0.01
ms 10
ms 10
ms 10
Values (Range)
1=on
2=blocked
3=test
4=test/blocked
5=off
Description
Operation of WEI logic in
phase B
Operation of WEI logic in
phase C
Carrier send by WEI logic
POR Carrier signal received
from remote end
Default
1=on
1=Off
1=Off
0.70
0.70
20
60
10
Unit Description
Status
1MRS759142 F
Description
Operation Off / On
Operating mode
of Current Reversal
Logic
Operating mode of
WEI logic
Phase to Neutral
voltage for detec-
tion of fault condi-
tion
Phase to Phase
voltage for detec-
tion of fault condi-
tion
Pickup time for cur-
rent reversal logic
Time Delay to pre-
vent Carrier send
and local trip
Coordination time
for the WEI logic
REX640
Technical Manual