Siemens 181 Workshop Manual page 55

Parameter data record
A.2 Parameter assignment and structure of parameter data record
Parameters
The figure below shows the structure of the parameters for channels 0 to 3.
You can activate a parameter by setting the corresponding bit to "1".
* x = 2 + (channel number * 22); channel number = 0 to 3
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Analog input module AI 4xRTD/TC 2-/3-/4-wire HF (6ES7134-6JD00-0CA1)
Manual, 02/2014, A5E03573289-AD