Name: Siemens SIMATIC S7-300 Module data
Brand: Siemens
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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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