Siemens SIMATIC Rack PC 547B, Руководство по эксплуатации, Страница: 31 / 136

Connecting
6.2 Connecting the device to power
SIMATIC Rack PC 547B
Operating Instructions, 12/2007, A5E01127519-02
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Localized information
Outside of the USA and Canada, operation on a 230 V power supply:
This device is equipped with a safety-tested power cord which may only be connected to a
grounded shockproof power outlet. If you choose not to use this cable, you must use a
flexible cable of the following type: Min. 18 AWG conductor cross-section and 15-A / 250-V
shock-proof connector. The cable set must be compliant with safety regulations and
stipulated IDs of the country where the system is to be installed.
For the USA and Canada:
A CSA or UL-listed power cord must be used for the United States and Canada.
The connector must be compliant with NEMA 5-15.
120 V AC power supply
A flexible power cord approved to UL and with CSA label should be used. It should have the
following features: Type SJT with three leads, min. 18 AWG conductor cross-section,
max. length 4.5 m, parallel grounding plug 15 A, min. 125 V.
240 V AC power supply
A flexible power cord approved to UL and with CSA label should be used. It should have the
following features: Type SJT with three conductors, min. 18 AWG conductor cross-section,
max. length 4.5 m, and tandem grounded connector 15 A, min. 250 V.
Connecting
Steps for connecting the device to mains
1 Connect the IEC connector
2 Connect the power cord to the mains outlet
and switch on the mains isolation switch (if
this exists).
The yellow power LED (standby) on the front
panel of the PC lights up.