Siemens Sinamics S120 Manual page 96

Cabinet design
6.5 Electrical connection
Installation steps
Note
To install the DC link busbars on modules in booksize C/D-type format, M4x20 mm screws
are used at the right and left-hand ends of the busbars.
Loosen the DC link screws at the right-hand end
of the left module, and at the left-hand end of the
adjacent module.
Screw the DC link busbar screws tight: Starting
from the left at the lower DC link busbar, and then
from the left at the upper DC link busbar.
Tightening torque: 1.8 Nm
96
Always connect the lower DC link busbars first
and then the upper DC link busbars. To do this,
turn over the DC link bridge.
Fit the 24 V jumper plugs
onto the 24 V busbars. Press the 24 V jumper
plugs until they latch into position.
Remove the side covers from the DC link protec-
②
tive cover .
Power Units in Booksize C/D-Type Format
Manual, 01/2017, 6SL3097-4AC20-0BP1
①
from the terminal kit