Replacing The Control Unit - Siemens SINAMICS S120 Manual

Maintenance and servicing
6.4 Replacing components
6.4.9

Replacing the Control Unit

The Control Unit is mounted on a slide-in unit that can be pulled out by removing a screw on
the top left
Figure 6-15
Preparatory steps
● Observe the "five safety rules".
● Remove the protective cover.
● Allow unimpeded access.
Removal steps
1. Release nut
2. Before pulling out the Control Unit on the slide-in unit completely, remove all cables
3. Pull out the Control Unit on the slide-in unit and install the new one.
NOTICE
Do not damage any signal cables
When removing the Control Unit, ensure that you do not damage any cables.
Note
When installing the new Control Unit, you must reconnect the cables to exactly the same
positions.
306
①
if the Control Unit needs to be replaced.
Replacing the Control Unit
①
connected to the Control Unit.
Cabinet Modules
Manual, 03/2013, A5E03263538A