Siemens SIMATIC Manual page 373

Technical specifications
Generation of analog values
Measuring principle
Integration/conversion time/resolution (per channel)
•
programmable
•
Integration time in ms
•
Basic conversion time, including the integration time in ms
Additional conversion time for resistance measurement, in ms
or
additional conversion time for wire-break monitoring in ms
or
additional conversion time for resistance measurements and
wire-break monitoring in ms
•
Resolution in bits (including overshoot range)
•
Interference frequency suppression at interference fre-
quency f1 in Hz
•
Basic execution time of the module in ms (all channels
enabled)
Measured value smoothing
Interference frequency suppression, error limits
Interference frequency suppression at f = n (f1 ± 1%), (f1 = interference frequency) n=1.2...
•
Common mode interference (V
•
Seriesmode interference (peak interference value < rated
input range)
Crosstalk between inputs
Operational limit (across entire temperature range, relative to the measurement range end value of the selected input
range)
•
Voltage input
•
Current input
•
Resistance
•
Thermocouple
•
Resistance thermometer
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
6.8 Analog input module SM 331; AI 2 x 12 Bit; (6ES7331-7KB02-0AB0)
< 2.5 V)
CM
Integrating
Yes
2
2.5 16 /
3
3 17
1 1
10 10
16 16
9 bits 12 bits
400 60
6 34
none
> 70 dB
> 40 dB
> 50 dB
80 mV
250 mV to 1,000 mV
2.5 V to 10 V
3.2 mA to 20 mA
150 Ω; 300 Ω; 600 Ω
Types E, N, J, K, L
Pt 100/Ni 100
Pt 100 Klima
Analog modules
20 100
22 102
1 1
10 10
16 16
12 bits 14 bits
50 10
44 204
± 1 %
± 0.6 %
± 0.8 %
± 0.7 %
± 0. 7 %
± 1. 1 %
± 0. 7 %
± 0. 8 %
373