Siemens SINAMICS S120 Combi Manual page 285

Missing emergency motor shutdown option
If the motor holding brake is not connected or is incorrectly connected, serious physical
injuries can occur.
• Only connect motors with a safe electrically isolated holding brake. The brake cores
• If the motor power cable is connected to intermediate terminals, the power cables and
Note
If the connecting cables for a 24 V motor holding brake are included in the power cable, then
only the specified cables must be used. These cables must have a separate shield for the
24 V and must be suitable for safe electrical separation.
The cable shield of the motor holding brake conductors must be connected at both ends.
Note
In order that the specified EMC limit values (EN 61800-3) are maintained, only shielded type
MC500 and MC800 power cables must be used. The permissible cable length is 25 m for
rated output currents I
The total cable length for the complete drive line-up is 175 m.
SINAMICS S120 Combi
Manual, 11/2017, 6SL3097-4AV00-0BP7
WARNING
must also be safely electrically isolated.
brake cables must be laid separately (≥ 300 mm) from each other.
from 5 A to 30 A.
n
Cabinet design and EMC
12.5 Connection system
285