Siemens SIMATIC - Page 344

Analog modules
6.6 Analog input module SM 331; AI 8 x 13 Bit; (6ES7331-1KF02-0AB0)
S7-300 Module data
344 Manual, 06/2017, A5E00105505-AJ
Technical specifications
Technical specifications
Dimensions and weight
Dimensions W x H x D (mm) 40 x 125 x 117
Weight
ca. 250 g
Module-specific data
Supports isochronous mode
no
Number of inputs
• with resistive transducers
8
8
Cable length
• shielded
max. 200 m
max. 50 m at 50 mV
Voltages, currents, electrical potentials
Constant current for resistive transducers
• Resistance thermometer and resistance measurements 0 Ω
to 600 Ω
• Resistance measurement 0 to 6 kΩ, PTC,
silicon temperature sensors
0.83 mA (pulsed)
0.25 mA (pulsed)
Electrical isolation
• between channels and the backplane bus
• between channels
yes
no
Maximum potential difference
• between inputs (CMV)
2.0 V DC
Isolation test voltage
500 V DC
Current consumption
• from the backplane bus
max. 90 mA
Power loss of the module
typ. 0.4 W
Generation of analog values
Measuring principle
Integrating
Integration/conversion time/resolution (per channel)
• programmable
yes
• Interference frequency suppression at interferenc
e frequency
f1 in Hz
50 60
• Integration time in ms
60 50
• Basic conversion time, including the integration time in ms
66 55
Additional conversion time for resistance measurements in ms
66
55
• Resolution in bits (including overshoot range)
13 bits 13 bits