Siemens siprotec 7SA522 User Manual page 46

Hardware and Connections
View of Front Panel
1
(Housing Size / )
2
2-16
51 52 53 54 55
76 77 78 79 80
11)
SIEMENS
10)
9)
8)
LED
7)
6)
11)
1 2 3 4 5
27 28 29 30 31 32 33 34 35
Figure 2-16 Front view, 7SA522, housing size
optical connections
Referring to the operating and display elements in Figure 2-16:
1. Display (LCD)
The LCD shows processing and device information as text in various lists. Com-
monly displayed information includes measured values, counter values, binary in-
formation regarding the condition of circuit breakers, status of the device, protec-
tion information, general reports, and alarms.
2. Navigation keys
These keys serve for navigation through operating menus.
3. MENU key
This key activates the main menu.
4. ESC and ENTER keys
These keys serve to escape from specific menues or execute changes (such as
setting changes).
5. Numerical keys
These keys serve for entry of numerical values, such as limit value settings.
6. Function keys
Four function keys allow the quick and simple execution of frequently used ac-
tions. Typical applications include, for example, jumping to a particular position in
the menu tree such as the fault data in the Trip Log or the measured values. The
function keys are programmable, and may be used to execute control functions
56 57 58 59 60 61 62 63 64 65 66 67 68 69 70
91 92 93 94 95
81 82 83 84 85 86 87 88 89 90
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Meldungen
F1
Meßwerte
F2
F3
F4
6 7 8 9 10 11 12 13 14 L+ L- 17 18 19 20 21
36 37 38 39 40 41 42 43 44 45 46
1
/ , for panel surface mounting, without
2
11 72 73 74 75
96 97 98 99 100
11)
SIPROTEC
7SA522
 #
1)
!
2)
3)
MENU
4)
ESC ENTER
7 8 9
5)
4 5 6
1 2 3
0 +/-
11)
22 23 24 25
47 48 49 50
C53000-G1176-C119-2
7SA522 Manual