Siemens SINAMICS S120 Combi - Page 285

Cabinet design and EMC
12.5 Connection system
SINAMICS S120 Combi
Manual, 11/2017, 6SL3097-4AV00-0BP7
285
WARNING
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
must also be safely electrically isolated.
• If the motor power cable is connected to intermediate terminals, the power cables and
brake cables must be laid separately (≥ 300 mm) from each other.
Note
If t
he 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
ra
ted output currents I
n
from 5 A to 30 A.
The total cable length for the complete drive line
-up is 175 m.