Siemens SINAMICS S120 Combi Equipment Manual page 23

NOTICE
Material damage due to loose power connections
Insufficient tightening torques or vibrations can result in loose electrical connections. This
can result in damage due to fire, device defects or malfunctions.
• Tighten all power connections with the specified tightening torques, e.g. line supply
• Check all power connections at regular intervals. This applies in particular after
Danger to life due to fire spreading if housing is inadequate
Fire and smoke development can cause severe personal injury or material damage.
• Install devices without a protective housing in a metal control cabinet (or protect the
• Ensure that smoke can only escape via controlled and monitored paths.
Danger to life through unexpected movement of machines when using mobile wireless
devices or mobile phones
Using mobile wireless devices or mobile phones with a transmit power > 1 W closer than
approx. 2 m to the components may cause the devices to malfunction, influence the
functional safety of machines therefore putting people at risk or causing material damage.
• Switch the wireless devices or mobile phones off in the immediate vicinity of the
Danger to life due to the motor catching fire in the event of insulation overload
There is higher stress on the motor insulation through a ground fault in an IT system. If the
insulation fails, it is possible that death or severe injury can occur as a result of smoke and
fire.
• Use a monitoring device that signals an insulation fault.
• Correct the fault as quickly as possible so the motor insulation is not overloaded.
SINAMICS S120 Combi
Manual, (GH9), 07/2016, 6SL3097-4AV00-0BP5
connection, motor connection, DC link connections.
transport.
WARNING
device by another equivalent measure) in such a way that contact with fire is prevented.
WARNING
components.
WARNING
Fundamental safety instructions
1.1 General safety instructions
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