Automation
Electronic Devices and Systems
3.6 Charging the Batteries
4 NiMH Mignon batteries (size AA) are included in the battery compartment of the unit upon delivery.
These have been inspected, charged and installed in the battery compartment before delivery. With
new and completely charged batteries, the REA ScanCheck 3n can be operated without interruption for
about 2 to 3 hours. If the energy-saving function is used for automatic deactivation of the unit, the
operating time can be significantly extended.
To charge the batteries, they do not normally have to be removed. The PoE power supply is simply
connected with the network cable and connected to a socket with its mains plug. The green LED on the
power supply lights up for verification.
In addition, a supplied network connection cable is connected to the "OUT" socket on the power supply
and the RJ45 socket on the REA ScanCheck 3n (see also Chapter 3 and 3.4).
The charge time equals at least approximately 4 hours with empty batteries. During charging, the right-
hand green LED underneath the display with the label "charge" lights up on the REA ScanCheck 3n.
It goes out once the charge is complete and no further charging is carried out or if the power supply is
emitting no voltage. In cases of emergency, operation with Mignon batteries (non-rechargeable primary
cells) is permitted.
Attention:
REA Elektronik does not recommend using non-rechargeable primary cells (Mignon batteries)
in the REA ScanCheck 3n. These may never be charged. If the charger is connected by
accident, there is risk of damaging or destroying the batteries and the unit with the charge
current.
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