Siemens SINAMICS S120 Manual page 26

Fundamental safety instructions
2.1 General safety instructions
Electric shock due to unconnected cable shield
Hazardous touch voltages can occur through capacitive cross-coupling due to unconnected
cable shields.
• As a minimum, connect cable shields and the conductors of power cables that are not used
NOTICE
Damage to equipment due to unsuitable tightening tools.
Unsuitable tightening tools or fastening methods can damage the screws of the equipment.
• Be sure to only use screwdrivers which exactly match the heads of the screws.
• Tighten the screws with the torque specified in the technical documentation.
• Use a torque wrench or a mechanical precision nut runner with a dynamic torque sensor and
NOTICE
Property damage due to loose power connections
Insufficient tightening torques or vibration can result in loose power connections. This can
result in damage due to fire, device defects or malfunctions.
• Tighten all power connections to the prescribed torque.
• Check all power connections at regular intervals, particularly after equipment has been
Spread of fire from built-in devices
In the event of fire outbreak, the enclosures of built-in devices cannot prevent the escape of
fire and smoke. This can result in serious personal injury or property damage.
• Install built-in units in a suitable metal cabinet in such a way that personnel are protected
• Ensure that smoke can only escape via controlled and monitored paths.
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WARNING
(e.g. brake cores) at one end at the grounded housing potential.
speed limitation system.
transported.
WARNING
against fire and smoke, or take other appropriate measures to protect personnel.
Control Units and additional system components
Equipment Manual, 06/2020, 6SL3097-5AH00-0BP2