Siemens SINAMICS S120 Manual page 501

Installation steps
To reinstall, perform the above steps in reverse order.
Tightening torque for the retaining screws of the Control Interface Module (M6 x 16, item
⑨): 6 Nm.
Note
Specifications for the installation
The tightening torques specified in the table "Tightening torques for screw connections" must
be observed.
Carefully insert the plug-in connections and ensure that they are secure.
The fiber-optic cable plugs must be remounted at their original slot. To ensure a correct
assignment, the fiber-optic cables and the slots on the module are labeled (U11, U21, U31);
the same is true for the plug connections for the current transformers (X431, X432, X433).
Air-cooled chassis power units
Equipment Manual, 06/2020, 6SL3097-5AE00-0BP3
Maintenance and Servicing
10.4 Replacing components
499