SIMATIC CC7
Operating Instructions, 10/2019, C79000-G8976-C503-02
31
Installation, wiring, commissioning
3.1 Important notes on using the device
Safety notices on the use of the device
Note the following safety notices when setting up and operating the device and during all
associated work such as installation, connecting up or replacing the device.
If the device is installed in a cabinet, the inner temperature of the cabinet corresponds to
the ambient temperature of the device.
3.1.1 Notes on use in hazardous areas
DO NOT OPEN WHEN ENERGIZED.
Replacing components may impair suitability for Class 1, Division 2 or Zone 2.
The device may only be operated in an environment with pollution degree 1 or 2 as
described in IEC 60991-1.
The device may only be operated in an environment with pollution degree 1 or 2 (see
IEC 60664-1).
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