Siemens siprotec 7SA6 User Manual

Functions
6-837SA6 Manual
C53000-G1176-C133-1
Figure 6-48 Logic diagram of the permissive overreach transfer trip (POTT) scheme (one
line end)
Dis Enable Z1B/T1B L2
Two terminals
Dis Telep. off
>Dis.Telep. Blk
≥1
Dis Z1B L1
&
Dis Z1B L2
&
Dis Z1B L3
&
Dis Z1B
&
Dis. forward

Send Prolong.

T0
&
&
&
&
>Dis.T.RecCh1-L1
>Dis.T.RecCh1-L3
>Dis.T.RecCh1-L2
&
&
&
≥1
≥1
≥1
Dis Enable Z1B/T1B L3
Dis Enable Z1B/T1B L1
>DisTel Rec.Ch1
>DisTel Rec.Ch2
Three terminals
Two terminals
Three terminals
„1“

Line Config.
≥1
&
TRIP Command
&
&
&
&
T0
T0
T0
≥1
≥1
≥1
≥1
≥1
≥1
Dis. Telep. Off
Dis.T.SEND L1
Dis.T.SEND L2
Dis.T.SEND L3
Dis.T.SEND
&
&
Echo function
Section 6.4.1.11
FNr 4006
FNr 4010
FNr 4007
FNr 4008
FNr 4009
FNr 4003
FNr 4052
FNr 4057
FNr 4058
FNr 4059
FNr 4056
>Dis. RecFail
FNr 4005
Dis T Carr Fail
FNr 4055
Transient blocking
(section 6.4.1.10)

Siemens siprotec 7SA6 Specifications

General

Brand	Siemens
Model	siprotec 7SA6
Category	Relays
Language	English