Connecting The Power Supply - Siemens SIMATIC IPC347E Operating Instructions Manual

Procedure
3.3.3

Connecting the power supply

Note before you connect the device
Injuries to persons or damage to property when operated on an incorrect power supply
system
If you connect the device to an unsuitable power supply, the device receives voltages and
currents too high or too low.
Injuries to persons, malfunctions or a damage to the device can result.
Note the following information regarding the power supply system:
• The permitted nominal voltage of the device must correspond to the local mains voltage.
• Do not operate the device in non-grounded or impedance-grounded networks (IT
• Operate the device only in grounded power networks (TN networks in accordance with
SIMATIC IPC347E
Operating Instructions, 09/2018, A5E41134132-AE
WARNING
networks).
IEC 60364-1).
Installing and connecting the device
3.3 Connecting the device
1. Connect the identified function earth
connection to the protective conductor of the
control cabinet in which the device is
installed.
The minimum cross-section of the function
earth is 2.5 mm .
2
33