Siemens SIMATIC Manual page 558

Parameter sets of signal modules
A.9 Parameters of analog input module SM 331; AI 8 x 13 Bit
Temperature measurement
The table below lists the temperature measurement codes to be enterd at byte 0 of data
record 1 (see the previous figure.)
Table A- 21 Temperature measurement codes of the analog input module
Temperature unit for linearization
degrees Celsius
Degrees Fahrenheit
Kelvin
Interference frequency suppression
The table below contains the frequency codes to be entered at byte 1 of data record 1 (see
the previous figure.) Make allowances for the resultant integration time at each module!
Table A- 22 Interference frequency suppression codes of the analog input module
Interference frequency suppression
60 Hz
50 Hz
Measurement types and measuring ranges
The table below contains all the measurement types and measuring ranges of the analog
input module, including their codes. Enter these codes at bytes 2 to 13 in data record 1 (refer
to the previous figure.)
Note
The front connector of the analog input module must be wired in accordance with the
measuring range!
558
Integration time
50 ms
60 ms
Manual, 06/2017, A5E00105505-AJ
Code
2#0000 0000
2#0000 1000
2#0001 0000
Code
2#01
2#10
S7-300 Module data