Siemens SIMATIC NET 12M Operating Instructions Manual page 12

Installation
2.1 Important notes on using the device
NOTICE
Improper mounting
Improper mounting may damage the device or impair its operation.
• Before mounting the device, always ensure that there is no visible damage to the device.
• Mount the device using suitable tools. Observe the information in the respective section
Safety notices on use in hazardous areas
General safety notices relating to protection against explosion
EXPLOSION HAZARD
Do not open the device when the supply voltage is turned on.
EXPLOSION HAZARD
Replacing components may impair suitability for Class 1, Division 2 or Zone 2.
The device is intended for indoor use only.
The device may only be operated in an environment of contamination class 1 or 2 (see EN/IEC
60664-1, GB/T 16935.1).
When used in hazardous environments corresponding to Class I, Division 2 or Class I, Zone 2,
the device must be installed in a cabinet or a suitable enclosure.
EXPLOSION HAZARD
Do not connect or disconnect cables to or from the device when a flammable or combustible
atmosphere is present.
12
about mounting.
WARNING
WARNING
WARNING
WARNING
WARNING
WARNING
Operating Instructions, 06/2022, C79000-G8976-C333-02
12M bus terminal