![background image](http://html1.mh-extra.com/html/abb/red650/red650_technical-manual_3413554114.webp)
>=1
0
0
0
0
0
&
0
0
0
&
0
0
0
>=1
0
0
0
&
0
0
0
>=1
0
0
0
0
0
&
0
0
0
&
0
0
0
>=1
0
0
0
&
0
0
0
>=1
0
0
0
0
0
&
0
0
0
&
0
0
0
>=1
0
0
0
&
0
0
0
Trip Signal Logic of LDLPSCH
1
1
>=1
0
0
0
0
>=1
0
0
0
0
>=1
0
0
0
0
DiffTripL1
DiffTripL2
DiffTripL3
TripL1RemoteTerm1
TripL1RemoteTerm2
TripL1RemoteTerm3
TripL1RemoteTerm4
BlockLocalTrip
BlockTripToRemote
1
BlockRemoteTrip
TripL2RemoteTerm1
TripL2RemoteTerm2
TripL2RemoteTerm3
TripL2RemoteTerm4
TripL3RemoteTerm1
TripL3RemoteTerm2
TripL3RemoteTerm3
TripL3RemoteTerm4
TRIPL1LOCAL
TRIPL1
TripL1ToRemote
TRIP
TRIPL2LOCAL
TRIPL2
TripL2ToRemote
TRIPLOCAL
TRIPL3LOCAL
TRIPL3
TripL3ToRemote
TRIPREMOTE
IEC13000260-2-en.vsd
IEC13000260 V2 EN-US
Figure 41:
Trip signal logic of LDLPSCH
Some of the signals in the above block diagrams are used as the internal signals by
LDLPSCH. Table Internal signals describes the source or destination of these
internal signals.
Table 41:
Internal signals
Internal signals
Source of destination
Description
testModeRemoteTerm1
Signal from LDCM
Test mode from remote
terminal 1
testModeRemoteTerm2
Signal from LDCM
Test mode from remote
terminal 2
testModeRemoteTerm3
Signal from LDCM
Test mode from remote
terminal 3
blockRemoteTerm1
Signal from LDCM
Block from remote terminal 1
Table continues on next page
Section 6
1MRK 505 394-UEN A
Differential protection
108
Line differential protection RED650 2.2 IEC
Technical manual
Summary of Contents for RED650
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