Siemens siprotec 7SA6 User Manual

Functions
6-202 7SA6 Manual
C53000-G1176-C156-2
2711 >AR Start general fault detection for the internal automatic
reclosure function (only required for action time),
2715 >Trip 1pole AR trip command 1-pole for the internal automatic reclosure
function,
2716 >Trip 3pole AR trip command 3-pole for the internal automatic reclosure
function,
If
only three-pole reclose cycles are to be executed, it is sufficient to assign the binary
input “
>Trip 3pole AR”(F.No2716)forthetripsignal.Figure6-109showsan
example. The overreaching stages of the external protection are again enabled by
“
AR 1.CycZoneRel”(F.No2889) and if applicable by further cycles.
Figure 6-108 Connection example with external protection device for 1-/3-pole reclosure;
AR control mode =
with TRIP
Figure 6-109 Connection example with external protection device for 3-pole reclosure;
AR control mode =
with TRIP
7SA6
AR Start
Tripping L1
Tripping L2
Tripping L3
L+
external
protection device
Relay Pickup
3-phase coupling
L–
L–
L–
only 1-pole
(if nec. for other AR)
>AR Start
>Trip L1 AR
>Trip L2 AR
>Trip L3 AR
AR 1.CycZoneRel
AR 1p Trip Perm
AR Program1pole
7SA6
trip
Tripping
L+
external
protection device
Relay Pickup
L–
L–
L+
(if nec. for other AR)
>AR Start
AR 1p Trip Perm
AR 1.CycZoneRel

Siemens siprotec 7SA6 Specifications

General

Brand	Siemens
Model	siprotec 7SA6
Category	Relays
Language	English