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Technical data
3.2.3 External power supply for the basic device
Data
Supply voltage
Supply current, maximum
3.3 Power supply for EK280 with integrated power supply unit
3.3.1 Battery power supply for the basic device
Batteries for switching to battery mode in the event of a power failure: see
chapter 3.2.1 "Battery power supply for the basic device"
3.3.2 External power supply
Data
Supply voltage
Power consumption, maximum
3.3.3 Buffer batteries for the integrated modem
The buffer batteries can optionally be connected to the integrated power
supply unit to ensure that data continues to be transmitted, even in the
event of a power failure.
Data
Voltage
General nominal capacity
Usable capacity
Minimum number of batteries required
Value
Unit
7.5 ...8.5
V
40
mA
Value
Unit
230
V ~
10
W
Value
Unit
3.6
V
13.0
Ah
8.0
Ah
2
units
21
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