Siemens siprotec 7SA6, Manual

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Preface
v
7SA6 Manual
C53000-G1176-C156-2
computer (with operation software DIGSI
®
4), are marked in bold letters of a mono-
space type style.
Parameter options
, i.e. possible settings of text parameters, which may appear
word-for-word in the display of the device or on the screen of a personal computer
(with operation software DIGSI
®
4), are written in italic style, additionally.
“
Annunciations
”, i.e. designators for information, which may be output by the relay
or required from other devices or from the switch gear, are marked in a monospace
type style in quotes.
Deviations may be permitted in drawings when the type of designator can be obviously
derived from the illustration.
The following symbols are used in drawings:
Furthermore, the graphic symbols according IEC 617–12 IEC 617–13 or similar are
used in most cases.
and the possible settings
On
and
Off
U
L1–L2
Earth fault
device-internal logical input signal
Earth fault
device-internal logical output signal
internal input signal of an analog value
>Release
external binary input signal
Dev. Trip
external binary output signal
On
Off
1234 FUNCTION
Parameter address
Parameter name
Parameter options
example of a parameter switch
FUNCTION
with the address
1234
Analog input value
≥
1
&
OR–Logic of input value
AND–Logic of input value
Inversion of Signal