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Functions
6-104
Dis Telep. off
FNr 4003
>Dis.Telep. Blk
FNr 4005
>Dis. RecFail
Transient blocking
(section 6.6.1.10)
Trip command
Dis. forward
&
Dis Z1B L1
&
Dis Z1B L2
&
Dis Z1B L3
&
Dis Z1B
Dis. PICKUP
2102
Line Config.
Two terminals
„1"
Three terminals
Unblock 1
Two terminals
Unblock 2
Three terminals
≥1
Unblock L1
Unblock L2
Unblock L3
Figure 6-60
Logic diagram of the unblock scheme with Z1B (one line end)
≥1
&
2103
Send Prolong.
0
T
&
≥1
0
T
&
≥1
0
T
&
≥1
0
T
&
≥1
2108 TV
T
0
≥1
&
≥1
&
&
&
FNr 4052
Dis.Telep.OFF
FNr 4055
Dis.T.Carr.Fail
FNr 4057
&
Dis.T.SEND L1
FNr 4058
&
Dis.T.SEND L2
FNr 4059
&
Dis.T.SEND L3
FNr 4056
&
Dis.T.SEND
Echo function
&
Section 6.6.1.11
≥1
Dis Ena. Z1B/T1B L1
≥1
Dis Ena. Z1B/T1B L2
≥1
Dis Ena. Z1B/T1B L3
7SA6 Manual
C53000-G1176-C156-2
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