Siemens siprotec 7SA6 User Manual page 273

Dis Telep. off
FNr 4003
>Dis.Telep. Blk
FNr 4005
>Dis. RecFail
Transient Block.
I , I , I
L1 L2 L3
U , U , U
L1 L2 L3
Dis. PICKUP
Dis. forward
Dis. Pickup L1
Dis L1forw.
Dis Pickup L2
Dis L2 forw.
Dis Pickup L3
Dis L3 forw.

Three terminals
„1"
Two terminals
FNr 4006
>DisTel Rec.Ch1
Three terminals
>DisTel Rec.Ch2
Two terminals
FNr 4010
FNr 4007 Three terminals
>Dis.T.RecCh1L1
Two terminals
FNr 4008 Three terminals
>Dis.T.RecCh1L2
Two terminals
FNr 4009 Three terminals
>Dis.T.RecCh1L3
Two terminals
Dis. PICKUP
Figure 6-55 Logic diagram of the blocking scheme (one line end)
7SA6 Manual
C53000-G1176-C133-1
≥1
&
d
(u,i)
dt
40 ms
à 
Send Prolong
0 T
&
0 T
&
0 T
&
0 T
&
Line Config.
≥1
≥1
≥1
≥1

TrBlk BlockTime

TrBlk Wait Time
≥1
T T

Rel. Delay
T 0
Functions
Dis Telep. off
FNr 4052
FNr 4055
Dis T.Carr.Fail
FNr 4060
&
Dis.Jump Blocking
FNr 4056
&
Dis.T.SEND
FNr 4070
&
Dis.T.BL Stop
FNr 4057
&
Dis.T.SEND L1
FNr 4082
&
Dis.T.BL Stop L1
FNr 4058
&
Dis.T.SEND L2
FNr 4083
&
Dis.T.BL Stop L2
FNr 4059
&
Dis.T.SEND L3
FNr 4084
&
Dis.T.BL Stop L3
FNr 4068
&
Dis.T.Trans.Blk
Transient Block.
&
DisEnableZ1B/T1B L1
&
DisEnableZ1B/T1B L2
&
DisEnableZ1B/T1B L3
6-91