Siemens siprotec 7SA6 User Manual

Functions
6-797SA6 Manual
C53000-G1176-C133-1
Figure 6-44 Operation scheme of the permissive underreach transfer trip method via Z1B
Sequence Figure 6-45 shows the logic diagram of the permissive underreach transfer trip
scheme for one line end.
Figure 6-45 Logic diagram of the permissive underreach transfer trip (PUTT) scheme using
Z1B (one line end)
AB
Z1(A)
Z1(B)
Z1B(A)
Z1B(B)
Z1
Z1B
(B)
(B)
T
S
T1
T1B
&
≥1
trip
transm.
rec..
further
zones
Z1
Z1B
(A)
(A)
T
S
T1
T1B
&
≥1
trip
transm.
rec..
further
zones
4007
>Dis.T.Rec.Ch1 L1
4006
>DisTel Rec.Ch1
Dis Z1 L1
&
Dis Z1 L2
&
Dis Z1 L3
&
Dis Z1
&
Dis. forward
T0
T0
T0
T0
&
&
&
&
&
&
&
≥1
≥1
≥1
Dis Enable Z1B/T1B L2
Dis Enable Z1B/T1B L3
Dis Enable Z1B/T1B L1
Three terminals
Two terminals
Three terminals
Two terminals
„1“

/LQH&RQILJ
≥1
&
Dis.T.SEND L1
Dis.T.SEND L2
Dis.T.SEND L3
Dis.T.SEND

6HQG3URORQJ
4057
4058
4059
4056
4010
>DisTel Rec.Ch2
4008
>Dis.T.Rec.Ch1 L2
4009
>Dis.T.Rec.Ch1 L3
>Dis.Telep. Blk
>Dis.RecFail
FNo 4005
≥1
Dis Telep. off
Dis.Telep.OFF
4052
Dis.T.Carr.Fail.
4055
FNo 4003

Siemens siprotec 7SA6 Specifications

General

Brand	Siemens
Model	siprotec 7SA6
Category	Relays
Language	English