Parameter sets of signal modules
A.8 Parameters of analog input module SM 331; AI 8 x 16 Bit
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
A-35
Measuring methods and ranges
The table below lists the measuring ranges of the electrically isolated analog input module
SM 331; AI 8 x 16 bit. The table below shows the measuring method and range codes. Enter
these codes according to the required measuring range at the relevant byte of data record
128 (see previous figure.)
Table A-26 Measuring range codes of SM 331; AI 8 x 16 Bit
Measuring method Code Measuring range Code
Disabled 2#0000 Disabled 2#0000
Voltage 2#0001 ± 5 V
1 V to 5 V
± 10 V
2#0110
2#0111
2#1001
Current (4-wire transducer) 2#0010 0 mA to 20 mA
4 mA to 20 mA
± 20 mA
2#0010
2#0011
2#0100
Settings of input smoothing
The table below lists the smoothing settings of the electrically isolated analog input module
SM 331; AI 8 x 16 Bit. Enter these codes according to the required smoothing at the relevant
byte of data record 128 (see previous figure.)
Table A-27 Smoothing codes of SM 331; AI 8 x 16 Bit
Smoothing settings Code
None 2#00
Low 2#01
Average 2#10
High 2#11
See also
Analog modules (Page 6-1)
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