General - Siemens siprotec 7SA6 User Manual

Distance protection
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Functions
6.1

General

From the
Device Front
6-2
A few seconds after the device is switched on, the initial display appears in the LCD.
Depending on the device version either measured values (four-line display) or a sin-
gle-phase switching diagram of the feeder status (graphic display) is displayed in the
7SA6.
The setting parameters can be entered via the keypad and display on the front of the
device, or by means of a personal computer connected to the front or service interface
of the device utilising the DIGSI
(individual parameters) is required.
Select the 0$,1 0(18 by pressing the
key to navigate to the 6(77,1*6 display (see Figure 6-1).
and then press the
In the 6(77,1*6 display, use the
the
key to navigate to that function (e.g., use the
'DWD function, and then use the
play, as shown in Figure 6-2.
In general, an item number appears in the menu list to the right of each selection. Nav-
igation can be accomplished using the item number in place of the
This feature is particularly helpful in large menus (e.g., setting lists). Based on the ex-
ample above, from the 0$,1 0(18, the 6(77,1*6 display can be reached by press-
on the keypad, and then the 36<67(0 '$7$ display can be reached by
ing
4
pressing
on the keypad.
0
3
0$,1 0(18

$QQXQFLDWLRQ
0HDVXUHPHQW
&RQWURO
6HWWLQJV
7HVW'LDJQRVH ²!
Figure 6-1
Example of navigation from the front control panel
Each setting contains a four-digit address number followed by the setting title as
shown in Figure 6-2. The value of the current setting is displayed in the line just below
the setting address number and title. The value may be text (Figure 6-2,
Address ) or numerical (Figure 6-2, Address ).
36<67(0 '$7$

 &7 6WDUSRLQW
WRZDUGV /LQH
 9QRP 35,0$5<
N9
Figure 6-2
Example of power system data display
®
4 software package. The level 5 password
key. Using the
MENU
key to select the desired function, and then use
key to navigate to the 36<67(0 '$7$ dis-

²!

²!

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key, select 6HWWLQJV,
key to select the 36\VWHP
and
6(77,1*6


'HYLFH &RQILJ²!
0DVNLQJ ,2 ²!
36\VWHP 'DWD²!
*URXS $
²!
C53000-G1176-C133-1
keys.




7SA6 Manual

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