Analog modules
6.7 Analog input module SM 331; AI 8 x 12 Bit;(6ES7331-7KF02-0AB0)
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
6-53
Measuring range module settings
Measuring range Measuring range module setting
Thermocouple TC-I
(internal comparison) (thermal
voltage measurement)
Linearization is not taken into
account
Thermocouple TC-E
(external comparison)
(thermovoltage measurement)
Linearization is not taken into
account
Type N [NiCrSi-NiSi]
Type E [NiCr-CuNi]
Type J [Fe-CuNi]
Type K [NiCr-Ni]
Type L [Fe-CuNi]
A
Thermocouple
(linear, internal comparator)
(temperature measurement) TC-
IL
Thermocouple
(linear, external comparator)
(temperature measurement) TC-
EL
Type N [NiCrSi-NiSi]
Type E [NiCr-CuNi]
Type J [Fe-CuNi]
Type K [NiCr-Ni]
Type L [Fe-CuNi]
A
Note
• With grounded thermocouples, you must not establish a connection between M- and
M
ANA
• With non-grounded thermocouples, you must establish a connection between M- and
M
ANA
Technical data
Technical data
Dimensions and weight
Dimensions W x H x D (mm) 40 x 125 x 117
Weight Approx. 250 g
Module-specific data
Isochronous mode supported No
Number of inputs
• with resistive transducers
8
4
Cable length
• Shielded
max. 200 m
max. 50 m at 80 mV and with thermocouples
Voltages, currents, electrical potentials
Rated electronics supply voltage L +
• Reverse polarity protection
24 VDC
Yes
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