Mechanical design
Instruction for installation of the liquid-cooled chassis of Sinamics S120 power units into cabinets for marine drive applications,
12/2016, 4BS0808-003
9
Fig. 2: Cabinet setup with mounting plate set toward the front
- Reinforcement of the cabinet in the bottom area
- Stiffening frame for the cabinet door
- Per each side minimum three struts in direction of the cabinet depth
Installation of Motor Modules, Active Line Modules and Diode Line Modules
The Motor Modules, Active Line Modules and Diode Line Modules shhall be mounted
to the backside of a mounting plate, in compliance with their fixing holes. The
mounting plate can be mounted to the backside of the cabinet, as shown in Fig. 1. If
the arrangement of the mounting plate is not possible at the backside of the cabinet,
special attention has to be paid on a stable installation of the mounting plate (see Fig.
2).
Underneath the power units mounting brackets have to be fixed for the support of the
power units.
Additionally a fixation in the front section of the power units is required. For that, in
case of Motor Modules, Active Line Modules and Diode Line Modules, the holes of the
lower mounting brackets and the thread hole of the eyebolt can be used (eyebolt is
mounted for transportation only).
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