Siemens SIMATIC S7-300 Manual page 310

Analog modules
6.9 Analog input module SM 331; AI 8 x RTD; (6ES7331-7PF01-0AB0)
Technical data
Isolation test voltage
Current consumption
from the backplane bus
•
from power supply L+
•
Power loss of the module
Formation of analog values
Measuring principle
Mode of operation
Integration/conversion time/resolution (per channel)
programmable
•
Basic conversion time in ms
•
Additional conversion time for resistance measurement in ms
•
Additional conversion time for wire-break monitoring in ms
•
Resolution (including overshoot range)
•
Noise suppression at interference frequency f1 in Hz
•
Measured value smoothing
Conversion time (per channel)
Basic execution time of the module (all channels enabled)
Mode of operation
Integration/conversion time/resolution (per channel)
programmable
•
Basic conversion time in ms
•
Additional conversion time for resistance measurement in ms
•
Additional conversion time for wire-break monitoring in ms
•
Resolution (including overshoot range)
•
Noise suppression at interference frequency f1 in Hz
•
Measured value smoothing
Conversion time (per channel)
Basic execution time of the module (all channels enabled)
Mode of operation
Integration/conversion time/resolution (per channel)
programmable
•
Basic conversion time in ms
•
Additional conversion time for resistance measurement in ms
•
Additional conversion time for wire-break monitoring in ms
•
Resolution (including overshoot range)
•
Noise suppression at interference frequency f1 in Hz
•
Measured value smoothing
Basic execution time of the module (all channels enabled)
6-76
500 VDC
max. 100 mA
max. 240 mA
typ. 4.6 W
Integrating
8-channel mode (hardware filter)
Yes
80
100*
0
16 bits (including sign)
400 / 60 / 50
None / low/ average/ high
100 ms
200 ms
8-channel mode (software filter)
Yes
8 / 25 / 30
25/ 43/ 48*
0
16 bits (including sign)
400 / 60 / 50
None / low/ average/ high
25 ms/ 43 ms/ 48 ms
50 ms/ 86 ms/ 96 ms
4-channel mode (hardware filter)
Yes
3,3****
100*
100**
16 bits (including sign)
400 / 60 / 50
None / low/ average/ high
10 ms
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04