Siemens SIPROTEC 7SD610 Manual page 137

Figure 2-50
Figure 2-51
But if the internal automatic reclose function is controlled by the pickup (only possible for 3-pole tripping: 110
Trip mode = 3pole only), the phase-selective pickup signals of the external protection must be connected
if distinction shall be made between different types of fault. The general trip command then suffices for tripping
(No. 2746). Figure 2-52 shows a connection example.
SIPROTEC, 7SD610, Manual
C53000-G1176-C145-6, Release date 02.2011
Connection example with external protection device for 1-/3-pole reclosure;
AR control mode = with TRIP
Connection example with external protection device for 3-pole reclosure;
AR control mode = with TRIP
2.10 Automatic Reclosure Function (optional)
Functions
137