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PSBOC352413
6
Fig 3. Mechanical view of the PSU.
3. Operating status indication.
3.1 LED indication
The PSU is equipped with 3 LEDs on the PCB board:
- red LED (Fig.2, element 1) normal status (AC power): permanently illuminated. AC power absence is
indicated by the AC diode going out.
- green LED (Fig.2, element 2) indicates DC power at the PSU output. Under normal status the diode is
permanently illuminated. In case of a short circuit or an overload, the diode is off.
- green LED (Fig.2, element 3) indicates battery voltage level. Under normal status (U
BAT
> 23V) the diode is
permanently illuminated. In case of decrease of battery voltage (U
BAT
< 23V) the diode is off.
