Parameter sets of signal modules
A.7 Parameters of analog input module SM 331; AI 8 x 13 Bit
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
A-27
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-19 Temperature measurement codes of the analog input module
Temperature unit for linearization Code
Degrees Centigrade 2#0000 0000
Degrees Fahrenheit 2#0000 1000
Kelvin 2#0001 0000
Noise 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-20 Noise suppression codes of the analog input module
Noise suppression Integration time Code
60 Hz 50 ms 2#01
50 Hz 60 ms 2#10
Measuring methods and ranges
The table below contains all the measuring methods and 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!
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