Siemens Simatic M7-400 Reference Manual page 304

Analog Modules
Table 5-55 Measuring Ranges of the SM 431; AI 8 x 14 Bit, continued
Method Selected
TC-L: Thermocouple
(linear)
(temperature
measurement)
RTD-4L: thermal resistor
(linear, four-conductor
connection)
(temperature
measurement)
RTD-3L: thermal resistor
(linear, three-conductor
connection)
(temperature
measurement)
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
5-88
Measuring Range Measuring Range
(Type of Sensor) Module Setting
Type B
Type N
Type E
Type R
Type S
Type J
Type L
Type T
Type K
Type U
Pt 100 climatic
Pt 200 climatic
Pt 500 climatic
Pt 1000 climatic
Ni 100 climatic
Ni 1000 climatic
Pt 100 standard
Pt 200 standard
Pt 500 standard
Pt 1000 standard
Ni 100 standard
Ni 1000 standard
14 Bit in STEP 7.
S7-400, M7-400 Programmable Controllers Module Specifications
Description
A You will find the digitized analog
values in Section 5.3.1 in the
temperature range
A
A5E00069467-07