Connecting up
5.1 Safety when connecting up
SCALANCE S615
48
Operating Instructions, 10/2022, C79000-G8976-C389-07
Safety notices on use in hazardous areas
General safety notices relating to protection against explosion
WARNING
EXPLOSION HAZARD
Do not connect or disconnect cables to or from the device when a flammable or
combustible atmosphere is present.
WARNING
EXPLOSION HAZARD
Do not press the SET button if there is a potentially explosive atmosphere.
WARNING
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 screws, etc. according to the specified torques.
•
Close unused cable openings for electrical connections.
•
Check the cables for a tight fit after installation.
WARNING
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.
WARNING
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.