Siemens SITRANS F MASS 2100 Operating Instructions Manual page 43

Connecting or disconnecting device in energized state
Risk of explosion in hazardous areas.
• Connect or disconnect devices in hazardous areas only in a de-energized state.
Exceptions:
• Devices having the type of protection "Intrinsic safety Ex i" may also be connected in
Incorrect selection of type of protection
Risk of explosion in areas subject to explosion hazard.
This device is approved for several types of protection.
1. Decide in favor of one type of protection.
2. Connect the device in accordance with the selected type of protection.
3. In order to avoid incorrect use at a later point, make the types of protection that are not used
Note
Electromagnetic compatibility (EMC)
You can use this device in industrial environments, households and small businesses.
For metal enclosures there is an increased electromagnetic compatibility compared to high-
frequency radiation. This protection can be increased by grounding the enclosure.
See also
Basic safety notes (Page 41)
Note
Improvement of interference immunity
• Lay signal cables separate from cables with voltages > 60 V.
• Use cables with twisted wires.
• Keep device and cables at a distance from strong electromagnetic fields.
• Take account of the conditions for communication specified in the Technical data (Page 107).
• Use shielded cables to guarantee the full specification according to HART/PA/FF/Modbus/
EIA-485/Profibus DP.
SITRANS MASS 2100 & FC300 (FCT010/DSL)
Operating Instructions, 06/2020, A5E39788682-AB
WARNING
energized state in hazardous areas.
WARNING
permanently unrecognizable on the nameplate.
Connecting
5.1 Basic safety notes
43