Siemens Sinamics S120 Manual page 366

Motor Modules Booksize
6.1 Safety instructions for Motor Modules Booksize
NOTICE
Temperature signal disturbances and failure of components as a result of unshielded or
incorrectly routed cables
With unshielded or incorrectly laid cables, it can be expected that interference will be
coupled into the signal processing electronics from the power side. This can result in
significant disturbances (fault messages) up to failure of individual components (destruction
of the devices).
• Only use shielded cables as temperature sensor cables.
• Only use temperature sensor cables that are routed together with the motor cable and
• Connect the cable shield to the chassis potential at both ends over a large surface area.
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 regulated 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 polluted DRIVE-CLiQ interfaces
Malfunctions can occur in the system through the use of polluted DRIVE-CLiQ interfaces.
• Cover unused DRIVE-CLiQ interfaces with the supplied blanking covers.
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twisted in pairs and shielded separately.
The voltage is supplied via the internal 24 V busbars.
connecting cable voltage drop.
remains within the permissible range when the following conditions are fulfilled:
– Siemens three-phase motors must be used
– Siemens MOTION-CONNECT power cables must be used
– Motor cable lengths, max. 100 m
particular application.
Booksize Power Units
Manual, (GH2), 04/2014, 6SL3097-4AC00-0BP6