Analog Modules
4-130
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Table 4-68 Parameters of the SM 331; AI 8 x RTD, continued
Parameter ScopePara-
meter
Type
Default
Settings
Value Range
Measurement
• Measuring Method Deactivated
R-4L Resistance
(four-conductor connection)
R-3L Resistance,
three-conductor connection
RTD-4L Bulb resistor
(linear, four-conductor
connection)
RTD-3L Bulb resistor
(linear, three-conductor
connection)
RTD-4L
Dynamic
Channel
group
• Measuring Range Refer to Section 4.23.2 for the
measuring ranges of the input
channels that you can set.
Pt 100
climate
0.003850
(IPTS-68)
• Temperature unit Degrees Celsius; degrees Fahrenheit Degrees
Celsius
Dynamic Module
• Module filtering mode 8 channels hardware filter
8 channels software filter
4 channels hardware filter
8
channels,
hardware
filter
Dynamic Module
• Temperature
coefficient for
temperature
measurement with
bulb resistor (RTD)
Platinum (Pt)
0,003850 / °C
0.003916 / °C
0.003902 / °C
0.003920 / °C
0,003850 / °C (ITS-90)
Nickel (Ni)
0.006180 / °C
0.006720 / °C
Copper (Cu)
0.00427 / °C
0.003850
Dynamic
Channel
group
• Interference
suppression*
50/60/400 Hz; 400 Hz; 60 Hz; 50 Hz 50/60/400
Hz
Dynamic
Channel
group
• Smoothing None
Low
Average
High
None Dynamic Channel
group
* 50/60/400 Hz programmable only for modes 8 or 4-Channel Hardware Filter Modes;
50 Hz, 60 Hz or 400 Hz programmable only for mode 8-Channel Hardware Filter Mode
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