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Connecting up
7.1 Safety when connecting up
Safety notices on use in hazardous areas
General safety notices relating to protection against explosion
EXPLOSION HAZARD
Do not connect or disconnect cables to or from the device when a flammable or combustible
atmosphere is present.
EXPLOSION HAZARD
Do not press the SELECT/SET button when there is an explosive atmosphere.
Suitable cables at high ambient temperatures in hazardous area
At an ambient temperature of ≥ 60 °C, use heat-resistant cables designed for an ambient
temperature at least 20 °C higher. The cable entries used on the enclosure must comply with
the IP degree of protection required by EN IEC / IEC 60079-0, GB 3836.1.
Unsuitable cables or connectors
Risk of explosion in hazardous areas
• Only use connectors that meet the requirements of the relevant type of protection.
• If necessary, tighten the connector screw connections, device fastening screws, grounding
• Close unused cable openings for electrical connections.
• Check the cables for a tight fit after installation.
Lack of equipotential bonding
If there is no equipotential bonding in hazardous areas, there is a risk of explosion due to
equalizing current or ignition sparks.
• Ensure that equipotential bonding is available for the device.
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WARNING
WARNING
WARNING
WARNING
screws, etc. according to the specified torques.
WARNING
Operating Instructions, 04/2022, C79000-G8976-C342-07
SCALANCE X-200RNA
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