Siemens Sinamics S120 Comissioning Manual page 19

Danger to life through electric shock due to the residual charge of the power component
capacitors
Because of the capacitors, a hazardous voltage is present for up to 5 minutes after the
power supply has been switched off. Contact with live parts can result in death or serious
injury.
• Wait for 5 minutes before you check that the unit really is in a no-voltage condition and
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 from electromagnetic fields
Electromagnetic fields (EMF) are generated by the operation of electrical power equipment,
such as transformers, converters, or motors.
People with pacemakers or implants are at particular risk in the immediate vicinity of this
equipment.
• If you have a heart pacemaker or implant, maintain a minimum distance of 2 m from
Commissioning with Startdrive
Commissioning Manual, (IH3), 07/2016, 6SL3097-4AA10-0BP0
WARNING
start work.
connection, motor connection, DC link connections.
transport.
WARNING
device by another equivalent measure) in such a way that contact with fire is prevented.
WARNING
electrical power equipment.
Fundamental safety instructions
1.1 General safety instructions
19