Kontron KBox A-101 Users Guide Manuel d'utilisateur télécharger pdf (Page 23)

8. Starting Up KBox A-101 – User’s Guide (Version 1.00)

8. Starting Up

The rated voltage of the power supply must agree with the voltage value on the type label.

8.1. Connecting to DC Main Power Supply

The DC input connector (Fig. 9, pos. 1) is located on the front side of the KBox A-101.

The KBox A-101 can be connected to a DC main power supply (see Fig. 21) via a DC power cable and the

supplied Phoenix power plug terminal (see Fig. 20).

Even when the system is turned off via the power button (Fig. 10, pos. 1) there is still a standby-voltage of

5 VSb on the SBC.

The DC main power supply must be able to be switched off and on via a 2-pole disconnecting device which

must always remain easily accessible.

The DC-input must fulfill SELV (Safety Extra Low Voltage) requirements of EN60950-1 standard.

8.1.1. Connecting the KBox A-101 to a DC Main Power Supply

Fig. 21: Connecting the KBox A-101 to a DC main power supply via DC power cable

To connect the KBox A-101 to a corresponding DC main power supply, please perform the following steps:

1. Connect the DC power cord with the Phoenix power plug installed to the DC input connector (Fig. 9, pos. 1, Fig. 11,

pos. 2) of the KBox A-101. The DC input connector is located on the front side and is marked “24V

”.

2. The DC main power supply must be switched off via a 2-pole disconnecting device to make sure that no voltage is

present at the terminals during the connecting procedure.

3. Connect the other end of the DC power cord to the connections of the DC main power supply. Pay attention to the

polarity of the connections.

4. Switch on the DC main power supply via the disconnecting device.

It must be ensured that the system can be powered ON and OFF via a readily accessible two-pole

disconnecting device that shall be incorporated in the building installation wiring (e.g. overload

protection switch).

CB 511

24 V=

KBox A-101

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Kontron KBox A-101 Users Guide Manuel d'utilisateur Page 23