Siemens SINAMICS G120 Hardware Installation Manual page 35

Fitting the Control Unit to the Power Module
The Control Unit is fitted to the Power Module as shown in the figure below. To disconnect
the CU push the release button on top of the PM.
The process of fitting the Control Unit to the Power Module is the same technique no matter
which Control Unit or Power Module combination is required.
Figure 4-15
Caution
Before snap-on the Control Unit to the Power Module while hot swap connect 24 V supply to
the terminals.
Power Modules PM240
Hardware Installation Manual, 2006-04-04, A5E00807525B AA
Fitting the Control Unit to the Power Module
Installing/Mounting
4.2 Electrical Installation
4-17