Siemens Sinamics S120 Manual page 42

Motor Modules in booksize C/D-type format
3.1 Safety instructions for Motor Modules of C/D-type
NOTICE
Destruction of the motor or brake due to incorrect power supply
With an incorrect power supply, the brake can malfunction, i.e. the brake does not open
reliably. If the motor constantly runs against the closed brake, the brake and/or the motor
will be destroyed.
• Always use a stabilized DC power supply to operate motors with a built-in holding brake.
• Take note of the motor holding brake voltage tolerances (24 V ± 10%) and the
• Set the DC power supply to 26 V. This ensures that the supply voltage for the brake
NOTICE
Damage through use of incorrect DRIVE-CLiQ cables
Damage or malfunctions can occur on the devices or system when DRIVE-CLiQ cables are
used that are either incorrect or have not been approved for this purpose.
• Only use suitable DRIVE-CLiQ cables that have been approved by Siemens for the
Note
Malfunctions due to soiled DRIVE-CLiQ interfaces
Malfunctions can occur in the system through the use of soiled DRIVE-CLiQ interfaces.
• Cover unused DRIVE-CLiQ interfaces with the supplied blanking covers.
• Additional blanking covers (50 units) can be ordered with article number 6SL3066-
4CA00-0AA0.
Notes about UL applications
Note
The SINAMICS S120 Motor Modules in booksize format provide short-circuit protection at
the motor output.
42
The voltage is supplied via the internal 24 V busbars.
connecting cable voltage losses.
remains within the permissible range when the following conditions are fulfilled:
– Siemens three-phase motors are used
– Siemens MOTION-CONNECT power cables are used
– Motor cable lengths, max. 100 m
particular application.
Power Units in Booksize C/D-Type Format
Manual, 01/2017, 6SL3097-4AC20-0BP1