Siemens Simatic S7-400 - Manual (Page 304)

Analog Modules
5-88
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Table 5-55 Measuring Ranges of the SM 431; AI 8 x 14 Bit, continued
Method Selected Description Measuring Range
Module Setting
Measuring Range
(Type of Sensor)
TC-L: Thermocouple
(linear)
(temperature
measurement) Type B
Type N
Type E
Type R
Type S
Type J
Type L
Type T
Type K
Type U
A You will find the digitized analog
values in Section 5.3.1 in the
temperature range
RTD-4L: thermal resistor
(linear, four-conductor
connection)
(temperature
measurement)
Pt 100 climatic
Pt 200 climatic
Pt 500 climatic
Pt 1000 climatic
Ni 100 climatic
Ni 1000 climatic
A
RTD-3L: thermal resistor
(linear, three-conductor
connection)
(temperature
measurement)
Pt 100 standard
Pt 200 standard
Pt 500 standard
Pt 1000 standard
Ni 100 standard
Ni 1000 standard
Default Settings
The module has the following default settings in STEP 7:
• Channels 0 to 7: “Voltage” for the measuring method ; “
"
10 V” for the
measuring range
You can use these measuring methods and measuring ranges without
parameterizing the SM 431; AI 8
14 Bit in STEP 7.