Connecting The 100 - 240 V Ac Power Supply - Siemens SIMATIC HMI IPC677C Operating Instructions Manual

Connecting

5.2 Connecting the 100 - 240 V AC Power Supply

5.2 Connecting the 100 - 240 V AC Power Supply
Note before connecting the device
Note
The varying voltage power supply module is designed for operation on 120/230/240 V AC
networks. The setting of the voltage range takes place automatically.
Thunderstorms
Do not connect or disconnect power and data cables during thunderstorms.
Operation only in TN networks
The device is designed for operation in grounded power supply networks (TN networks
according to VDE 0100 Part 100, or IEC 60364-1).
Operation on ungrounded or impedance-grounded power networks (IT networks) is
prohibited.
Rated voltage
The permitted nominal voltage of the device must conform with local mains voltage.
NOTICE
Notes on the power supply network
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.
Make sure that the power outlet or the safety power outlet of the building installation is
freely accessible and located as close as possible to the device.
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WARNING
WARNING
WARNING
SIMATIC HMI IPC677C
Operating Instructions, 04/2013, A5E02722710-04