SCALANCE X-200
Compact Operating Instructions, 12/2010, A5E00813159-11
79
Connection
5
5.1 Power supply
Power supply
The power supply is connected using a 4-pin plug-in terminal block.
The power supply is connected over a high resistance with the enclosure to allow an
ungrounded set up. The power supply is non-floating. The signal cables of the Ethernet TP
ports are floating.
SCALANCE X204 IRT PRO, X202-2P IRT PRO and X201-3P IRT PRO
The power supply connector of the SCALANCE X204 IRT PRO, SCALANCE X202-2P IRT
PRO and SCALANCE X201-3P IRT PRO is connected using a Power Plug PRO
(PROFINET-compliant connector technology)
These two devices also have two 24 V power connectors, one for the switched mode and
one for the unswitched 24 V power supply (two plug-in power connectors). Using these
power interfaces (L1+, N1 and L2+, N2), it is possible to loop through the power for ET200
PRO with PROFINET-compliant connector technology. It is also possible to supply power to
the module via an external T-piece (device supply over only one power interface).
SCALANCE X204 IRT PRO, X202-2P IRT PRO and X201-3P IRT PRO
Metal or plastic connectors (6GK1907-0AB10-6AA0) can be used for the power supply of the
devices.
Note
If the devices are used in an ambient temperature in excess of 40 °C, or if currents higher
than 6 A are conducted via the connector, metal connectors must be used.
Note
In areas subject to the National Electric Code (NEC), the Canadian Electric Code (CEC) and
the EU directive 94/9 (ATEX), metal connectors must be used.
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