Siemens Simatic S7-1500 - Page 58

Parameter data records
B.1 Parameter assignment and structure of the parameter data records
Analog Input Module AI 8xU/R/RTD/TC HF (6ES7531-7PF00-0AB0)
58 Manual, 09/2016, A5E36647959-AB
Data record structure
The figure below shows the structure of data record 0 for channel 0 as an example. The
structure is identical for channels 1 to 8. The values in byte 0 and byte 1 are fixed and may
not be changed.
Enable a parameter by setting the corresponding bit to "1".
Figure B-1 Structure of data record 0: Byte 0 to 5