Siemens SIMATIC - Page 400

Analog modules
6.10 Analog input module SM 331; AI 8 x TC; (6ES7331-7PF11-0AB0)
S7-300 Module data
400 Manual, 06/2017, A5E00105505-AJ
Technical specifications
Voltages, currents, electrical potentials
Rated electronics supply voltage L +
• Reverse polarity protection
24 V DC
Yes
Constant measuring current for resistance-type transmitters
typ. 0.7 mA
Electrical isolation
• between channels and the backplane bus
• between channels and electronics power supply
• between channels
in groups of
Yes
Yes
Yes
2
Isolation test voltage
500 V DC
Current consumption
• from the backplane bus
• from supply voltage L+
max. 100 mA
max. 240 mA
Power loss of the module
typ. 3.0 W
Generation of analog values
Measuring principle
Integrating
Operating mode
8-channel mode (hardware filter)
Integration/conversion time/resolution (per channel)
• programmable
• Basic conversion time in ms
• additional conversion time for wire-break monitoring in ms
• Resolution (including overshoot range)
• Interference frequency suppression at
interference frequency f1 in Hz
Yes
95
4
16 bits (including sign)
400/60/50
Measured value smoothing
none/weak/medium/strong
Basic execution time of the module (all channels enabled)
196 ms ******
Operating mode
8-channel mode (software filter)
Integration/conversion time/resolution (per channel)
• programmable
• Basic conversion time in ms
• additional conversion time for wire-break monitoring in ms
• Resolution (including overshoot range)
• Interference frequency suppression at
interference frequency f1 in Hz
Yes
23/72/83
4
16 bits (including sign)
400/60/50
Measured value smoothing
none/weak/medium/strong
Basic execution time of the module (all channels enabled) 46/144/166 ms ******
Measuring principle
Integrating