Section 2 1MRK 505 350-UEN
Signals
14 Technical Manual
Distributed busbar protection REB500
Table 12 BU output signals for BBP , BFP, EFP, OCDT, PDF
Signal T L # Description
Signals that BBP is blocked (either individual protection zones or the
REMOTE TRIP
Tripping command issued to the remote station by BFP. This signal
can be assigned to an output contact by the signal “REMOTE TRIP”.
Signals tripping by BFP after time step 1.
Signals tripping by BFP after time step 2.
L1
BFP detected a fault on phase L1 and has tripped.
L2
BFP detected a fault on phase L2 and has tripped.
L3
on phase L3 and has tripped.
Tripping has been redirected, providing a signal is being applied to
_1" or "13606_Trip redirection_2"
BFP has issued an intertripping
L0
BFP detected a fault on neutral system (L0) and has tripped.
blocked
BFP is blocked (either the bay or the whole system).
REMOTE TRIP
Tripping command issued by EFP.
blocked
EFP is blocked (either the bay or the whole system).
Tripping command issued by OCDT.
Signals tripping by OCDT.
blocked
OCDT is blocked (either the bay or the whole system).
blocked
PDF is blocked (either the
bay concerned or the entire system).
Table 13 BU output signals for disturbance recorder (DR)
Signal Description
DR is in the process of recording.
26820_DR record available
Disturbance records are available.