Siemens SINUMERIK 840D sl Configuration Manual page 24

Configuring the NCU
2.2 Insert NX module
Note
Handling the NX
• If NX modules were connected with the NCU and the NCU is subsequently deleted, the
NX modules are kept in the project as unconnected slave modules. They can be
subsequently assigned to another NCU. The parameter settings of the NX modules are
retained.
• If the DP address of the NX is specified, then the I/O addresses matching the default
setting on the NCK side are entered.
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SINUMERIK STEP 7 Toolbox V14 SP1
Configuration Manual, 05/2017, A5E41846325