Safety Instructions On Use In Hazardous Areas - Siemens SIMATIC NET SCALANCE XCM-100 Operating Instructions Manual

Power supply
The device is designed for operation with a directly connectable safety extra-low voltage
(Safety Extra Low Voltage, SELV) according to UL/IEC 61010‑1 and UL/IEC 61010‑2‑201.
7.3

Safety instructions 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.
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.
SCALANCE XCM-100 Media Converter
Operating Instructions, 07/2022, C79000-G8976-C659-01
WARNING
WARNING
WARNING
WARNING
screws, etc. according to the specified torques.
WARNING
7.3 Safety instructions on use in hazardous areas
Connecting
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