Beckhoff C6920, Руководство пользователя

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Commissioning
C6920 25 Version: 3.2
4.3 Connecting the Industrial PC
CAUTION
Risk of electric shock
Dangerous touch voltages can lead to electric shock. To avoid electric shock, observe the following:
• Never connect or disconnect the device cables during a thunderstorm.
• Provide protective earthing for handling the device.
To prepare the Industrial PC for operation, it must be connected. The first step is to ground the device. Then
you can connect the cables and the power supply.
An external power supply unit is required to supply 24 V DC (-15 %/+20 %) for operating the device.
Wire the Industrial PC in the control cabinet in accordance with the EN 60204-1:2006 standard on Protective
Extra Low Voltage (PELV) so that one side of the circuit or a point on the power source of this circuit is
connected to the protective conductor system.