Siemens Simatic S7-300 - Page 292

Analog modules
6.7 Analog input module SM 331; AI 8 x 12 Bit;(6ES7331-7KF02-0AB0)
S7-300 Automation System Module data
6-58 Manual, 08/2006, A5E00105505-04
Selected measuring method Measuring range
(type of sensor)
Measuring range module
settings
Current (2-wire transducer)
2DMU
4 mA to 20 mA D
Current (4-wire transducer)
4DMU
± 3.2 mA
± 10 mA
0 mA to 20 mA
4 mA to 20 mA
± 20 mA
C
Resistance (4-wire connection)
R-4L
150 Ω
300 Ω
600 Ω
A
Thermoresistor
(linear, 4-wire connection) (temperature
measurement)
RTD-4L
Pt 100 Klima
Ni 100 Klima
Pt 100 Standard
Ni 100 Standard
A
Channel groups
The channels of SM 331; AI 8 x 12 Bit are arranged in four groups of two channels. You
always assign parameters to a channel group.
The analog input module SM 331; AI 8 x 12 Bit is equipped with one measuring range
module per channel group.
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 6-19 Assignment of SM 331; AI 8x12 bit channels to channel groups
Channels ... ...form one channel group each
Channel 0
Channel 1
Channel group 0
Channel 2
Channel 3
Channel group 1
Channel 4
Channel 5
Channel group 2
Channel 6
Channel 7
Channel group 3
See also
Programming analog modules (Page 5-31)
Diagnostic messages of analog input modules (Page 5-33)