Requirement
● I/O addressing schematic optimized for I/O address extension has been selected.
See also: Changing the addressing schematic (Page 118)
● No user-specific adaptations to I/O addresses exist.
If you have made user-specific adaptations, refer to Chapter Matching user-specific
adaptations (Page 143).
Procedure
To enter the I/O addresses of the optimized addressing schematic in the machine data,
proceed as follows:
1. Call or print out the tabular overview for the addressing schematic:
– Adapting I/O start addresses (Page 133)
2. In SINUMERIK Operate, enter the I/O addresses of all related drives into the corresponding
machine datum (MD).
For how to change to the machine data in SINUMERIK Operate, refer to the Commissioning
Manual, "CNC Commissioning: NCK, PLC, Drive for TIA", Section "Communication
between NC and drive".
6.9.2.2 Matching user-specific adaptations
Default I/O addresses are preset in the machine data of the NCU during the first commissioning
that match the default I/O addresses in the TIA Portal.
If these default I/O addresses were already assigned during a configuration change (e.g.
change of the Safety Integrated mode), proceed as follows:
Step Description
1 Check which I/O addresses in the TIA Portal differ from the standard I/O addressing schematic. There are several
ways to find differing I/O addresses:
● Check the messages in the inspector window, "Info > General" (Page 144)
● Check the address overview in the PLC properties (Page 145)
2 Check in which machine data (MD) of the NCU the differing I/O address is entered. To do this, use the tabular
overview (Page 133) corresponding to the Safety Integrated mode.
3 Enter the differing I/O addresses in the associated machine data (MD) in SINUMERIK Operate.
For how to change to the machine data in SINUMERIK Operate, refer to the Commissioning Manual, "CNC Com‐
missioning: NCK, PLC, Drive for TIA", Section "Communication between NC and drive".
Configuring telegrams and drive units
6.9 Deviations from the standard I/O addressing schematic
SINUMERIK STEP 7 Toolbox V15.1
Configuration Manual, 12/2018, A5E46279635B AA 143
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