Siemens SINUMERIK 840D sl Configuration Manual page 108

Configuring telegrams and drive units
5.4 Changing the addressing schematic
Procedure
In order to change the schematic for the assignment of telegram I/O addresses of SINAMICS
Integrated (and of all connected NX modules), proceed as follows:
1. Click the NCU in the network or device view and select the "Addressing schematic" entry
in the "Properties" inspector window under "General".
2. Click the "Change addressing schematic" button.
The "Change I/O addressing schematic" dialog opens. If you select an option, the effects
of the change are listed here.
3. Select the required I/O addressing schematic and confirm the reconfiguration with "Yes".
Result
The I/O addressing schematic was changed.
If you use the optimized I/O addressing schematic, you must additionally enter the I/O
addresses in the machine data (Page 135) e.g. via SINUMERIK Operate.
If problems occur during the changeover, you can find further information in the "Info"
inspector window at "General".
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SINUMERIK STEP 7 Toolbox V14 SP1
Configuration Manual, 05/2017, A5E41846325