Siemens SIMATIC ET 200AL System Manual page 72

Configuration control (option handling)
7.3 Creating the control data record
3. Create an array of the data type of the above created PLC data type in the data block.
The following figure shows a data block containing the control data records for an
ET200AL interface module. In this example the data block contains three control data
records.
Figure 7-4
4. In the "Start value" column of the control data records, enter which module is located at
which slot.
Figure 7-5
70
Data block for configuration control
Assigning slots
Distributed I/O system
System Manual, 08/2021, A5E31861578-AJ