Parameters
Value range
Default
2
Parameter
type
Scope
● Measuring range
For information on configurable measuring
ranges of the input channels, refer to the rel‐
evant module description.
± 10 V
● Reference temperature
- 273.15 to 327.67° C
0° C
Dynamic
Module
● Temperature unit
Degrees Celsius; degrees Fahrenheit; Kelvin Degrees
Celsius
Static
Module
● Temperature coefficient
for temperature
measurement with
thermal resistance (RTD)
Platinum (Pt)
0.00385 Ω/Ω/° C
0.003916 Ω/Ω/° C
0.003902 Ω/Ω/° C
0.003920 Ω/Ω/° C
Nickel (Ni)
0.00618 Ω/Ω/° C
0.00672 Ω/Ω/° C
0,00385
Static
Channel
● Interference frequency
suppression
400 Hz; 60 Hz; 50 Hz; 10 Hz; none
50 or 60 Hz
● Smoothing
None
Weak
Medium
Strong
None
● Reference junction
None
internal
RTD on channel 0
dynamic reference temperature value
None
1
If you use the module in ER-1/ER-2, you must set this parameter to "No" because the interrupt lines are not available in
ER-1/ER-2.
2
Only in the CR (central rack) is it possible to start up the analog modules with the default settings.
See also
Commissioning the SM 431; AI 8 x 14 Bit (Page 247)
Analog modules
5.8 Assigning parameters to analog modules
S7-400 Automation System Module Data
202
Reference Manual, Ausgabe 11/2016, A5E00850736-08