Name Type Default Description
CB_OPEN BOOLEAN 0=False Block of trip from
WEI logic by an open
breaker
CR BOOLEAN 0=False POR Carrier receive
for WEI logic
CR BOOLEAN 0=False POR Carrier signal re-
ceived from remote
end
5.13.7.2 RCRWPSCH Output signals
Table 1207: RCRWPSCH Output signals
Name Type Description
OPR_IRV BOOLEAN Operation of current reversal
logic
OPR_WEI BOOLEAN Operation of WEI logic
ECHO BOOLEAN Carrier send by WEI logic
CR BOOLEAN POR Carrier signal received
from remote end
5.13.8 RCRWPSCH Settings
Table 1208: RCRWPSCH Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Reversal mode
1=Off
2=On
1=Off Operating mode
of Current Reversal
Logic
Wei mode
1=Off
3=Echo
4=Echo and Oper-
ate
1=Off Operating mode of
WEI logic
Residual voltage Val 0.05...0.70 xUn 0.01 0.25 Neutral voltage set-
ting for fault condi-
tions measurement
Reversal time 0...60000 ms 10 20 Pickup time for cur-
rent reversal logic
Reversal reset time 0...60000 ms 10 60 Time Delay to pre-
vent Carrier send
and local trip
Wei Crd time 0...60000 ms 10 0 Coordination time
for the WEI logic
5.13.9 RCRWPSCH Monitored data
Protection related functions 1MRS759142 F
1280 REX640
Technical Manual