Siemens siprotec 7SA522, User Manual

Page: 46 / 628

Hardware and Connections
2-16
7SA522 Manual
C53000-G1176-C119-2
View of Front Panel
(Housing Size
1
/
2
)
Figure 2-16 Front view, 7SA522, housing size
1
/
2
, for panel surface mounting, without
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
74 73 72 11 70 69 68 67 66 75
90 89 88 87 86 85 79 84 83 82 81 80 78 77 76
64 63 62 61 60 54 59 58 57 56 55 53 52 51 65
100 99 98 97 96 95 94 93 92 91
27 28 29 30 31 32 33 34 35
11 12 13 14 L+ L- 22 17 18 19 20 21 23 24 25
37 38 39 40 41 47 42 43 44 45 46 48 49 50 36
1 2 3 4 5 6 7 8 9 10
SIEMENS
SIPROTEC
1 2
6
3
+/- 0
5 4
7 8 9
7SA522
RUN ERROR
MENU
ESC
LED
ENTER
F4
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F2
F3
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