Siemens SIMATIC Manual page 335

6.5 Analog input module SM 331; AI 8 x 14 Bit High Speed; isochrone; (6ES7331-7HF0x-0AB0)
Measuring range modules
You may have to change the position of the measuring range module to suit the
measurement type and range. See table
input channels
measuring range module on the front door (see figure).
Measurement types and measuring ranges
Table 6- 13
Selected type of measurement
V: Voltage
4DMU: Current (4-wire transducer)
2DMU: Current (2-wire transducer)
Channel groups
The channels of SM 331; AI 8 x 14 Bit High Speed are arranged in four groups of two
channels. You can assign parameters only to one channel group.
SM 331; AI 8 x 14 bits High Speed is equipped with one measuring range module per
channel group.
The table below shows the relevant configuration of channel groups. The channel group
number is required to program SFC parameters in the user program.
Table 6- 14
Channels ...
Channel 0
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
. The settings are also printed on the module. Mark the position of the
Measurement types and ranges
Assignment of SM 331; AI 8 x 14 bits High Speed channels to channel groups
... form one channel group each
Channel group 0
Channel group 1
Channel group 2
Channel group 3
Setting measuring methods and ranges of analog
Measuring range
(type of sensor)
± 1 V
± 5 V
1 V to 5 V
± 10 V
0 mA to 20 mA
4 mA to 20 mA
± 20 mA
4 mA to 20 mA
Analog modules
Measuring range module settings
A
B
C
D
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