Device description • General technical data
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Power Panel C70 User's manual V1.30
3.2.3 Data and real-time clock buffering
Power Panels are not designed for use with batteries. This makes them completely maintenance-free. The following
features make operation without a backup battery possible.
Data and real-time clock buffering
Type of buffering
Note
Remanent variables
FRAM
This FRAM stores its contents ferroelectrically. Unlike normal SRAM, this does
not require a battery.
Real-time clock
Gold foil capacitor
The real-time clock is buffered for approx. 1000 hours by a gold foil capacitor. The
gold foil capacitor is completely charged after 3 continuous hours of operation.
3.2.4 Viewing angles
For the viewing angles values (U, D, R, L) of the display types, see the technical data of the respective device.
D
U
R
L
Landscape
D
U
R
L
Portrait
Legend:
Display viewing angle
U
From top
D
From bottom
L
From left
R
From right
The viewing angles are specified for the horizontal (L, R) and vertical (U, D) axes in reference to the vertical axis of
the display. The specified viewing angles above always refer to the standard mounting orientation of the respective
Power Panel.
Standard mounting orientation: The Hand button is at the bottom right.