Measuring Methods And Ranges - Siemens SIMATIC S7-300 Manual

Analog modules
6.4 Analog input module SM 331; AI 8 x 16 Bit; (6ES7331-7NF10-0AB0)
6.4.1

Measuring methods and ranges

Introduction
Use the "measuring method" parameter in
measuring range.
Table 6-9
Selected measuring method
V voltage:
Current (4-wire transducer)
4DMU
Channel groups
The channels of SM 331; AI 8 x 16 bits are arranged in four groups of two channels. You
always assign parameters to a group. The interrupt limits form the exception.
The table below shows the relevant configuration of channel groups. You will need the
channel group number to set the SFC parameters in the user program.
Table 6-10
Channels ...
Channel 0
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
6-22
Measuring methods and ranges
Assignment of SM 331; AI 8 x 16 Bit channels to channel groups
...form one channel group each
Channel group 0
Channel group 1
Channel group 2
Channel group 3
STEP 7
to set the measuring method and
Output range
± 5 V, from 1 V to 5 V, ± 10 V
0 mA bis 20 mA
4 mA bis 20 mA
± 20 mA
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04