Siemens SIPROTEC 4 Manual page 211

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Figure 2-91
Initiation
Initiation of the automatic reclosing function can be caused by internal protection functions or externally via
binary inputs. The automatic reclosing function can be programmed in such manner that any of the elements
of the following Table can initiate (Starts 79), not initiate (No influence), or block reclosing (Stops
79):
Table 2-14
Non-directional start
50N-1
50N-2
50N-3
On initiation, the automatic reclosure function is informed that a trip command was issued and the respective
reclosing program is now being executed.
The binary input messages 2715
sure program can also be activated via CFC (fast PLC task processing). Automatic reclosure can thus be initi-
ated via any messages (e.g. protective pickup) if address 7164 BINARY INPUTis set to Starts 79.
SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017
Timing diagram showing two unsuccessful reclosing shots
Anwurf AWE
50-1
50-2
50-3
51
51N
>Start 79 Gnd and 2716 >Start 79 Ph for starting an automatic reclo-
Directional start
67-1
67N-1
67-2
67-3
67N-2
67N-3
67-TOC
67N-TOC
2.15 Automatic Reclosing System 79
Start other
Senitive Ground Fault Protection
(50Ns, 51Ns)
Negative Sequence Protection 46
BINARY INPUT
Functions
211