Safety Instructions And General Notes; Safety Instructions - Siemens SIMATIC HMI Operating Instructions Manual

Safety Instructions and General Notes

2.1

Safety instructions

Working on the cabinet
Open components
The Industrial USB Hub 4 is an open component. This means that the device must be
installed in a housing or cabinet, while the device can be operated from the front panel.
Access to the housing or cabinet in which the device is installed should only be possible by
means of a key or tool and restricted to trained and authorized personnel.
Dangerous voltage
Opening the cabinet will expose high voltage parts. Contact with these parts could be fatal.
Switch off the power supply to the cabinet before opening it.
High frequency radiation
NOTICE
Unintentional operating situations
High frequency radiation, e g. from a cellular phone, can cause unintentional operating
situations.
Industrial USB Hub 4
Operating Instructions, 09/2007, A5E00471973-02
WARNING
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