Siemens SIMATIC Manual page 384

Analog modules
6.9 Analog input module SM 331; AI 8 x RTD; (6ES7331-7PF01-0AB0)
Technical specifications
Mode
Integration/conversion time/resolution (per channel)
•
Configurable
•
Basic conversion time in ms
•
Additional conversion time for resistance measurement in ms
•
Additional conversion time for wire break monitoring in ms
•
Resolution (including overrange)
•
Interference voltage suppression at interference frequency f1 in
Hz
Smoothing of the measured values
Conversion time (per channel)
Basic execution time of the module (all channels enabled)
Mode
Integration/conversion time/resolution (per channel)
•
Configurable
•
Basic conversion time in ms
•
Additional conversion time for resistance measurement in ms
•
Additional conversion time for wire break monitoring in ms
•
Resolution (including overrange)
•
Interference voltage suppression at interference frequency f1 in
Hz
Smoothing of the measured values
Basic execution time of the module (all channels enabled)
Interference suppression, error limits
Interference voltage suppression for f = n x (f1 ± 1 %), (f1 = interference frequency), n = 1, 2, etc.
•
Common mode interference (U
•
Series-mode interference (peak value of the interference < rated
value of the input range)
Crosstalk between inputs
Operational limit (within the entire temperature range, relative to the measuring range end value of the selected input
range)
•
Resistance thermometer
– Pt 50, Pt 100, Pt 200, Pt 500, Pt 1000, Ni 100, Ni 120, Ni 200,
Ni 500, Ni 1000, LG-Ni 1000, Cu 50, Cu 100,
– Pt 10, Cu 10
•
Resistor
Basic error limit (operational limit at 25 °C, in relation to measuring range full-scale value of the input range)
•
Resistance thermometer
– Pt 50, Pt 100, Pt 200, Pt 500, Pt 1000, Ni 100, Ni 120, Ni 200,
Ni 500, Ni 1000, LG-Ni 1000, Cu 50, Cu 100,
– Pt 10, Cu 10
•
Resistor
384
< 60 V AC)
CM
8-channel mode (software filter)
Yes
8 / 25 / 30
25/ 43/ 48*
0
16-bit (including sign)
400 / 60 / 50
None/Weak/Medium/Strong
25/ 43/ 48 ms
50/ 86/ 96 ms
4-channel mode (hardware filter)
Yes
3.3****
100*
100**
16-bit (including sign)
400 / 60 / 50
None/Weak/Medium/Strong
10 ms
> 100 dB
> 90 dB
> 100 dB
± 1.0 °C
± 2.0 °C
± 0.1 %
± 0.5 °C
± 1.0 °C
±0.05 %
Manual, 06/2017, A5E00105505-AJ
S7-300 Module data