Siemens SINAMICS S120 Combi Manual page 132

Motor Modules Booksize Compact as expansion axes
6.2 Safety instructions for Motor Modules Booksize Compact
Electric shock due to missing DC-link side covers
There is a danger of an electric shock through contact when the side covers of the DC link
are missing.
• Mount the supplied side covers on the first and last component in the drive line-up.
• You can order missing side covers (article number: 6SL3162-5AA00-0AA0).
NOTICE
Material damage due to loose power connections
Insufficient tightening torques or vibrations can result in faulty electrical connections. This
can cause fire damage or malfunctions.
• Tighten all the DC-link busbar screws with the specified tightening torques (1.8 Nm,
• Check the tightening torques of all power connections at regular intervals and tighten
NOTICE
Damage through use of incorrect DRIVE-CLiQ cables
Damage or malfunctions can occur on the devices or the system when incorrect or
unreleased DRIVE-CLiQ cables are used.
• Only use suitable DRIVE-CLiQ cables that have been released by Siemens for the
Note
A regulated DC power supply is required to operate motors with a built-in holding brake. The
voltage is supplied via the internal 24 V busbars. The voltage tolerances of the motor holding
brakes (24 V ±10%) and the voltage drops of the connecting cables must be taken into
account.
Set the DC power supply to 26 V. This ensures that the supply voltage for the brake remains
within the permissible range when the following conditions are fulfilled:
• Use of Siemens three-phase motors
• Use of Siemens MOTION-CONNECT power cables
• Motor cable lengths: max. 70 m
132
WARNING
tolerance +30%).
them when required. This applies in particular after transport.
respective application.
SINAMICS S120 Combi
Manual, 11/2017, 6SL3097-4AV00-0BP7