Siemens SIMATIC User Manual

Analog modules
6.7 Analog input module SM 331; AI 8 x 12 bit;(6ES7331-7KF02-0AB0)
S7-300 Module data
360 Manual, 06/2017, A5E00105505-AJ
Technical specifications
additional conversion time for wire-break monitoring in ms
or
10 10 10 10
additional conversion time for resistance measurements
and
wire-break monitoring in ms
16 16 16 16
• Resolution in bits (including overrange)
9 bits 12 bits 12 bits 14 bits
• Interference frequency suppression at interference fre-
quency f1 in Hz
400 60 50 10
• Basic execution time of the module in ms (all channels
enabled)
24 136 176 816
Measured value smoothing none
Interference frequency suppression, error limits
Interference frequency suppression at F = n (f1 ± 1 %), (f1 = interference frequency)
• Common mode interference (V
CM
< 2.5 V)
• Seriesmode interference (peak interference value < rated
input range)
> 70 dB
> 40 dB
Crosstalk between inputs
> 50 dB
Operational limit (across entire temperature range, relative to the measurement range end value in the selected input
range)
• Voltage input
80 mV
250 mV to 1,000 mV
2.5 V to 10 V
± 1 %
± 0.6 %
± 0.8 %
• Current input
3.2 mA to 20 mA
± 0.7 %
• Resistance
150 Ω; 300Ω; 600 Ω
± 0. 7 %
• Thermocouple
Types E, N, J, K, L
± 1. 1 %
• Resistance thermometer
Pt 100/Ni 100
± 0. 7 %
Pt 100 Klima
± 0. 8 %
Basic error limit (operational limit at 25 °C, relative to the measurement range end value in the selected input range)
• Voltage input
80 mV
250 mV to 1,000 mV
2.5 V to 10 V
± 0.7 %
± 0.4 %
± 0.6 %
• Current input
3.2 mA to 20 mA
± 0.5 %
• Resistance
150 Ω; 300 Ω; 600 Ω
± 0.5 %
• Thermocouple
Types E, N, J, K, L
± 0.7 %
• Resistance thermometer
Pt 100/Ni 100
± 0.5 %
Pt 100 Klima
± 0.6 %
Temperature error (relative to input range)
± 0.005%/K
Linearity error (relative to input range)
± 0.05 %
Repeat accuracy (in settled state at 25 °C, relative to input
range)
± 0.05 %
Temperature error of internal compensation
± 1 %

Siemens SIMATIC Specifications

General

Product type designation	SIMATIC
CPU	Varies by model
Memory	Varies by model
Input/Output	Varies by model
Communication	Varies by model
Programming Language	STEP 7
Operating Temperature	0°C to 60°C (varies by model)
Protection Class	IP20
Category	Programmable Logic Controller (PLC)