Maintenance and servicing
6.4 Replacing components
Cabinet Modules NEMA
290 Manual, 04/2014, A5E03586450A
Note
Mixed operation is not possible
It is only possible to connect identical power units in par
allel if both power units have the
same hardware version. Mixed operation between a power unit with Control Interface
Module and a power unit with Control Interface Board is not possible.
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
① if the Control Unit needs to be replaced.
Figure 6-15 Replacing the Control Unit
● Disconnect the cabinet from the power supply (do not forget the external power supplies).
● Remove the protective cover.
● Allow unimpeded access.
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