Siemens SIMATIC S7-400 Reference Manual page 248

Analog modules
5.20 Analog input module SM 431; AI 8 x 14 Bit (6ES7431-1KF10-0AB0)
Parameters
● Measuring method
● Measuring range
● Reference temperature
● Interference frequency
● Smoothing
● Reference junction
Only in the CR (central rack) is it possible to start up the analog modules with the default settings.
1
Measured value smoothing
You will find information that is generally applicable to the smoothing of analog values in the
respective section.
248
suppression
Value range
Deactiva‐
ted
Voltage
U
4DMU Current (4-wire
sensor)
2DMU Current (2-wire
sensor)
R-4L Resistance (4-
conductor con‐
nection)
R-3L Resistance (3-
conductor con‐
nection)
RTD-4L Thermal resistor
(linear, 4-con‐
ductor connec‐
tion)
RTD-3L Thermal resistor
(linear, 3-con‐
ductor connec‐
tion)
TC-L Thermocouple
(linear)
For information on configura‐
ble measuring ranges of in‐
put channels, refer to the
chapter "Measuring methods
and measuring ranges of SM
431; AI 8 x 14 Bit".
- 273.15 to 327.67 C
o
60 Hz; 50 Hz
None
Weak
Medium
Strong
None
RTD on Channel 0
Reference temperature val‐
ue dynamic
Reference Manual, Ausgabe 11/2016, A5E00850736-08
Default set‐ Parame‐
ting ter type
1
U Static
± 10 V
0,00 C Dynamic
o
50 Hz Static
None Static
None
S7-400 Automation System Module Data
Scope
Channel
Module
Channel
Channel