Siemens SINAMICS S120 Equipment Manual page 241

Establishing the connection for chassis format
The use of cables instead of the factory-installed busbars is not permitted.
Note
Make sure that you do not drop any nuts, washers, or screws as this could cause damage.
1. Connect the "DC P" connection on the Basic Line Module, Smart Line Module, Active
2. Connect the "DC N" connection on the Basic Line Module, Smart Line Module, Active
Establishing the connection for booksize format
Note
Make sure that you do not drop any nuts, washers, or screws as this could cause damage.
1. Connect the "DC P" connection on the Motor Module to the upper DC busbar (DC P)
2. Connect the "DC N" connection on the Motor Module to the lower DC busbar (DC N)
S120 Cabinet Modules Equipment Manual
Manual, (GH5), 10/2008, A5E00427098A
WARNING
Line Module, or Motor Module to the upper DC busbar (DC P) (1 x M12 screw + nut +
washer; torque: 50 Nm).
Line Module, or Motor Module to the lower DC busbar (DC N) (1 x M12 screw + nut +
washer; torque: 50 Nm).
(1 x M12 screw + nut + washer; torque: 50 Nm).
(1 x M12 screw + nut + washer; torque: 50 Nm).
Maintenance and servicing
6.4 Replacing components
241