7SG13 Delta P20064 FM1 Autoreclosing
Section 1: Introduction
1.1 Introduction
This document covers the auto-reclose function and its features. A Diagrams and Parameters document which
covers each individual model is available, which lists explicitly the functions that are provided and the manner in
which they are connected.
•
79,
Auto-Reclose
Notes
1.
The following notational and formatting conventions are used within the remainder of this document:
•
Setting:
Elem Setting name
•
Setting
value:
value
•
Alternatives:
[1st] [2nd] [3rd]
2. Separate sections of the User Manual describe how to set up and operate the protection equipment: apply
configuration, settings and passwords, view instruments and set default instruments, and retrieve fault data.
c
start
trip
Elem
Starter
Elem
Inhibit
Elem
Reset Delay
c
Forward
Reverse
Elem
Char Dir
Non-Dir
PhA Dir Blk
PhaseAFwd
Digital input signal (status
input) visible to user
Digital output signal (output
relay) visible to user
Digital signal not visible to
user, to/from another element
Setting block showing list of setting
values, with setting name. Appropriate
block is TRUE when setting selected;
other blocks are FALSE.
Digital signal not visible to
user, internal to this element
Ia
Analogue signal with signal
description
Common setting for multi-function block.
c
start
trip
Function blocks.
Individual function blocks are disabled
when associated control input (c) is
FALSE.
Common control input (c) for multi-
function block. All function blocks are
disabled when control input is FALSE.
P300017 Current Protection Functions / Key
&
And Gate
≥
1
Or Gate
Figure 1-1
Key to Functional Block Diagrams
©2010 Siemens Protection Devices Ltd.
P20064 Page 3 of 7
