Siemens SIPROCESS GA700 Compact Operating Instructions page 145

Connecting the device in energized state
Danger of explosion in hazardous areas.
● Connect devices in hazardous areas only in a de-energized state.
Exceptions:
● Circuits of limited energy may also be connected in the energized state in hazardous areas.
● Exceptions for type of protection "Non-sparking nA" (zone 2) are regulated in the relevant
Incorrect selection of type of protection
Danger of explosion in hazardous area.
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. 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.
Metal housings show an increased electromagnetic compatibility to high-frequency radiation.
The protection from high-frequency radiation can be increased by grounding the housing, see
Chapter "Electrical connections (Page 40)".
Note
Improvement of interference immunity
● Lay signal cables separate from cables with voltages > 60 V.
● Use cables with twisted wires.
● Keep the device and the cables at a distance from strong electromagnetic fields.
● Use shielded cable to guarantee the full specification according to Ethernet/PROFIBUS.
Devices in explosion-proof design
Compact Operating Instructions, 05/2015, A5E35134047-02
WARNING
certificate.
WARNING
permanently unrecognizable on the nameplate.
Connecting
4.1 Basic safety instructions
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