Siemens SIMATIC Manual page 561

Structure of data record 1
The figure below shows the structure of data record 1 for the parameters of the electrically
isolated analog input module SM 331; AI 8 x 16 bit.
You enable a parameter by setting a logical "1" at the corresponding bit in byte 0.
Figure A-17
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
A.10 Setting of the analog input module SM 331; AI 8 x 16 Bit (6ES7331-7NF10-0AB0)
Data record 1 for parameters of SM 331; AI 8 x 16 Bit
Parameter sets of signal modules
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