Siemens Simatic S7-400 - Page 277

● Configurable
Yes
● Interference voltage suppression f1 in Hz
400 / 60 / 50
● Integration time in ms
2.5 / 16.7 / 20
● Basic conversion time in ms
6 / 20.1 / 23.5
● Additional conversion time for resistance
measurement with 3-wire connection in ms
12 / 40.2 / 47
● Additional conversion time for wire-break
monitoring in ms
4.3 / 4.3 / 4.3
● Additional conversion time for resistance
measurement in ms
5.5 / 5.5 / 5.5
● Resolution (including overrange)
16 / 16 / 16 bits
Measured value smoothing Configurable in 4 stages
Basic execution time of the module in ms (all channels
enabled)
96 / 322 / 376
Noise suppression, error limits
Interference voltage suppression for f = nx (f1 ±1%), (f1 = interference frequency) n = 1, 2 , ...
● Common mode interference (UCM < 120 Vss)
> 100 dB
● Series-mode interference (peak value of fault <
rated value of input range)
> 40 dB
Crosstalk between the inputs > 70 dB
Operational limit (throughout temperature range, relative to input range)
● Voltage input
– ± 25 mV
– ± 50 mV
– ± 80 mV
– ± 250 mV
– ± 500 mV
– ± 1 V
– ± 2.5 V
– ± 5 V
– 1 to 5 V
– ± 10 V
± 0.35%
± 0.32%
± 0.31%
± 0.3%
± 0.3%
± 0.3%
± 0.3%
± 0.3%
± 0.3%
± 0.3%
● Current input
– 0 to 20 mA
– ± 5 mA
– ± 10 mA
– ± 20 mA
– 4 to 20 mA
± 0.3%
± 0.3%
± 0.3%
± 0.3%
± 0.3%
Analog modules
5.23 Analog input module SM 431; AI 16 x 16 Bit (6ES7431-7QH00-0AB0)
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08 277