Siemens 7SC80 Manual page 270

Functions
2.14 Automatic Reclosing System 79
The number of reclose commands initiated by the automatic reclosure function are counted. A statistical
counter is available for this purpose for the first and all subsequent reclosing commands.
[ablaufdiagramm-2-malige-wiedereinschaltung-erfolglos-260602-kn, 1, en_US]
Figure 2-97
Start
The automatic reclosing function can be started by internal protection functions or externally via binary
inputs. The automatic reclosing system can be programmed so that any of the elements of
start (Starts 79), not start (No influence), or block reclosing (Stops 79):
Table 2-18
Non-directional start
50N-1
50N-2
50N-3
50N-1
50N-2
50N-3
270
Timing diagram showing two unsuccessful reclosing shots
Start AR
50-1
50-2
50-3
51
51N
50-1
50-2
50-3
50-4
Directional start
67-1
67N-1
67-2
67N-2
67-33
67N-3
67-TOC
67N-TOC
67-TOC-1
67-TOC-2
67-TOC-3
67-TOC-4
67N-TOC-1
67N-TOC-2
67N-TOC-3
Table 2-12
Start other
Negative sequence protection
SENS. GROUND FAULT
BINARY INPUT
SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017
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