Charger Operation; Detailed Operation - ENAG CDTV-400-50-24-40 Mode D'emploi

2.1.6 Options
The options do not form part of the basic battery charger supply. They are available from your
reseller or from ENAG's Sales Department.

2.2 Charger operation

2.2.1. Output voltage
The charger delivers a continous voltage functionning with hight frequency switch mode.
2.2.2. Block diagram of the charger board
2.2.3.Functionning of a charger.
EMC filter in common mode and
differential mode on the power supply
network.
Rectification of the ac voltage by a
diode bridge.
Filtering of the dc voltage obtained by
an electrolytic capacitor.
Switching of the dc voltage at high
frequency (20 to 100 kHz), by a
converter.
Transformation of the ac voltage by an
HF transformer which also provides
galvanic isolation.
Rectification and filtering by an LC
structure.
EMC filtering.

2.2.4. Detailed operation

The functionning is completely automatical
after switching on the charger. Check that the
output voltage is compatible with type of
batteries
The following controls are located in the
front of the door of the device :
"On functionning" indicator light.
CDTV DEA Page 16