Siemens SIMATIC User Manual

Analog modules
6.10 Analog input module SM 331; AI 8 x TC; (6ES7331-7PF11-0AB0)
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
401
Technical specifications
Operating mode
4-channel mode (hardware filter)
Integration/conversion time/resolution (per channel)
• programmable
• Basic conversion time in ms
Yes
3.3 ms *****
• additional conversion time for wire-break monitoring in ms
93 *
• Resolution (including overshoot range)
• Interference frequency suppression at interference frequen-
cy f1 in Hz
16 bits (including sign)
400/60/50
Measured value smoothing
none/weak/medium/strong
Basic execution time of the module (all channels enabled)
10 ms ******
Interference frequency suppression, error limits
Interference frequency suppression at f = n (f1 1%), (f1 = interference frequency) n = 1.2, etc.
• Common mode interference (V
CM
< 60 V AC)
• Series-mode interference (peak interference value < rated
input range)
> 100 dB
> 90 dB **
Crosstalk between inputs
> 100 dB
Operational limit (across temperature range, relative to the measurement range end value of the input range) (0 to 60 °C)
Note: This limit does not cover the temperature-error comparison points.
• Thermocouple
Type T
-200 °C to
+400 °C
± 0.7 °C
-230 °C to
-200 °C
± 1.5 °C
Type U
-150 °C to
+600 °C
± 0.9 °C
-200 °C to
-150 °C
± 1.2 °C
Type E
-200 °C to
+1000 °C
± 1.2 °C
-230 °C to
-200 °C
± 1.5 °C
Type J
-150 °C to
+1200 °C
± 1.4 °C
-210 °C to
-150 °C
± 1.7 °C
Type L
-150 °C to
+900 °C
± 1.5 °C
-200 °C to
-150 °C
± 1.8 °C
Type K
-150 °C to
+1372 °C
± 2.1 °C
-220 °C to
-150 °C
± 2.9 °C
Type N
-150 °C to
+1300 °C
± 2.2 °C
-220 °C to -150 °C ± 3.0 °C
Type R
+100 °C to
+1769 °C
± 1.5 °C
-50 °C to
+100 °C
± 1.8 °C
Type S
+100 °C to
+1769 °C
± 1.7 °C
-50 °C to
+100 °C
± 2.0 °C
Type B ****
+800 °C to
+1820 °C
± 2.3 °C
+200 °C
+800 °C
± 2.5 °C
Type C
+100 °C to
+2315 °C
± 2.3 °C
0 °C
+100 °C
± 2.5 °C

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)