Connecting The Device To Power - Siemens SIMATIC Rack PC 840 V2 Operating Instructions Manual

Connecting

6.2 Connecting the device to power

6.2 Connecting the device to power
6.2
To be noted before you connect the device
Note
The autorange-power-supply is designed for 120/230/240 V AC power networks. The setting
of the voltage range takes place automatically.
Warning
Do not connect or disconnect power and data cables during thunderstorms.
Warning
The device is designed for operation on grounded power supply networks (TN systems to
VDE 0100, part 300, or IEC 60364-3).
Operation on ungrounded or impedance-grounded power networks (IT networks) is
prohibited.
Warning
The permitted nominal voltage of the device must conform with local mains voltage.
Caution
The mains connector must be disconnected to fully isolate the device from mains. Ensure
easy access to this area.
A master mains disconnect switch must be installed if the device is mounted in a switch
cabinet. Always ensure free and easy access to the power inlet on the device or that the
safety power outlet of the building installation is freely accessible and located close to the
device.
6-2
Operating Instructions, Edition 05/2006, A5E00248055-04
SIMATIC Rack PC 840 V2