Replacement of Devices in a Device Group 
Purpose
This process can be used for replacing an audiofrequency ripple control receiver in a meter board, for example.
Process flow
A device is replaced within device group A. The device to be installed (4a) has the same task as the device to be removed (1a). Device 4a is now part of the device group. Devices 2a and 3a are not affected.
Replacement of devices within a device group
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