Siemens SIMATIC Manual page 312

Analog modules
6.3 Analog input module SM 331; AI 8 x 16 bit; (6ES7331-7NF00-0AB0)
Technical specifications
Interference frequency suppression and error limits
Interference frequency suppression at f = n (f1 1%), (f1 = interference frequency); n= 1, 2, ...
•
Common mode interference (CMV < 50 V)
•
Series mode interference (peak value of interference < rated
input range)
Crosstalk between inputs
Operational limit (across entire temperature range, relative to
measurement range end value in the selected input range)
•
Voltage input
•
Current input
Basic error limit (operational limit at 25 °C, relative to measurement range end value in the selected input range)
•
Voltage input
•
Current input
Temperature error (relative to input range)
Linearity error (relative to input range)
Repeat accuracy (in transient state at 25 °C, relative to input
range)
Status, interrupts, diagnostics
Interrupts
•
Limit interrupt
•
Diagnostic interrupt
Diagnostic functions
•
Group error display
•
Reading diagnostic information
Encoder selection data
Input ranges (rated values) / input impedance
•
Voltage
•
Current
Maximum voltage at voltage input (destruction limit)
Maximum current at current input (destruction limit)
Wiring of the signal transmitters
•
for voltage measurement
•
for current measurement
– as 2-wire transducer
– as 4-wire transducer
312
> 100 dB
> 90 dB
> 100 dB
C = 0 / CMV = ±50 V
MV
±0.1% / ± 0.7%
±0.3% / ± 0.9%
±0.05%
±0.05%
± 0.005%/K
±0.03%
±0.025%
programmable
Channels 0 and 2
programmable
programmable
red LED (SF)
supported
± 5 V
1 V to 5 V
± 10 V
0 mA to 20 mA
± 20 mA
4 mA to 20 mA
max. 50 V, continuous
max. 32 mA
using a 40pin front connector
supported
possible, with separate transducer supply
supported
/ 2 MΩ
/ 2 MΩ
/ 2 MΩ
/ 250 Ω
/ 250 Ω
/ 250 Ω
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ