Siemens siprotec 7SA522 - Page 243

2.13 Automatic reclosure function (optional)
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7SA522 Manual
C53000-G1176-C155-3
Figure 2-106 Connection example with external protection device for 3-pole reclosure; AR
control mode = with TRIP
But if the internal automatic reclose function is controlled by the pickup (only possible
for 3-pole pickup:  7ULSPRGH = SROHRQO\), the phase-dedicated 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
(FNo. 2746). Figure 2-107 shows a connection example.