Decommissioning; Disconnecting The Power Supply And Cables - Beckhoff CP22 Series Manual

Decommissioning

6 Decommissioning
Hardware damage due to power supply
A connected power supply can cause damage to the device during disassembly.
• Disconnect the power supply from the device before starting to disassemble it.
As part of the decommissioning of the panel PC, you must first disconnect the power supply and cables. You
can then remove the device from the control cabinet.
If you do not wish to use the panel PC any further, chapter 6.2 Disassembly and disposal [} 37] provides
information on the correct disposal of the device.
6.1

Disconnecting the power supply and cables

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.
Before disassembling the panel PC, you must disconnect the power supply and the cables. Follow the steps
below:
1. Shut down the panel PC.
2. Disconnect the PC from your external 24 V power supply.
3. Unscrew the voltage connector and pull it out of the PC.
4. Make a note of the wiring of all data transmission cables if you want to restore the cabling with another
device.
5. Disconnect all data transmission cables from the panel PC.
6. Finally, disconnect the ground connection.
ð You have disconnected the power supply and the cables.
36
NOTICE
CAUTION
Version: 2.9 CP22xx