Siemens SCALANCE S615 Operating Instructions Manual page 48

Connecting up
5.1 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 SET button if there is a potentially explosive atmosphere.
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,
• 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.
Unprotected cable ends
There is a risk of explosion due to unprotected cable ends in hazardous areas.
• Protect unused cable ends according to IEC/EN 60079-14.
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WARNING
WARNING
WARNING
grounding screws, etc. according to the specified torques.
WARNING
WARNING
Operating Instructions, 10/2022, C79000-G8976-C389-07
SCALANCE S615