ABB RED650 - Signals; Settings

13.3.4 Signals
PID-3511-INPUTSIGNALS v6
Table 235: ZCLCPSCH Input signals
Name
Type Default Description
I3P GROUP
SIGNAL
- Group signal for current input
BLOCK BOOLEAN 0 Block of function
ARREADY BOOLEAN 0 Autoreclosure ready, releases function used for
fast trip
NDST BOOLEAN 0 Non directional criteria used to prevent
instantaneous trip
EXACC BOOLEAN 0 Connected to function used for tripping at zone
extension
BC BOOLEAN 0 Breaker Close
LLACC BOOLEAN 0 Connected to function used for tripping at loss of
load
PID-3511-OUTPUTSIGNALS v6
Table 236: ZCLCPSCH Output signals
Name
Type Description
TRZE BOOLEAN Trip by zone extension
TRLL BOOLEAN Trip by loss of load
13.3.5 Settings
PID-3511-SETTINGS v7
Table 237: ZCLCPSCH Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
LoadCurr 1 - 100 %IB 1 10 Load current before disturbance in % of
IBase
LossOfLoad Off
On
- - Off Enable/Disable operation of Loss of
load.
ZoneExtension Off
On
- - Off Enable/Disable operation of Zone
extension
MinCurr 1 - 100 %IB 1 5 Lev taken as curr loss due to remote CB
trip in % of IBase
tLowCurr 0.000 - 60.000 s 0.001 0.200 Time delay on pick-up for MINCURR
value
tLoadOn 0.000 - 60.000 s 0.001 0.000 Time delay on pick-up for load current
release
tLoadOff 0.000 - 60.000 s 0.001 0.300 Time delay on drop off for load current
release
1MRK 505 394-UEN A Section 13
Scheme communication
Line differential protection RED650 2.2 IEC 415
Technical manual