Siemens SIMATIC Manual page 372

Analog modules
6.8 Analog input module SM 331; AI 2 x 12 Bit; (6ES7331-7KB02-0AB0)
Technical specifications
Technical specifications
Dimensions and weight
Dimensions W x H x D (mm)
Weight
Module-specific data
Supports isochronous mode
Number of inputs
•
with resistive transducers
Cable length
•
shielded
Voltages, currents, electrical potentials
Rated electronics supply voltage L +
•
Reverse polarity protection
Transducer power supply
•
Supply current
•
short circuit-proof
Constant current for resistive transducers
Electrical isolation
•
between channels and the backplane bus
•
between channels and electronics power supply
– Not for 2-wire transducers
Maximum potential difference
•
between inputs and M
– at signal = 0 V
•
between inputs (V )
CM
Isolation test voltage
Current consumption
•
from the backplane bus
•
from load voltage L+
Power loss of the module
372
(V )
ANA CM
40 x 125 x 117
approx. 250 g
No
2
1
max. 200 m
max. 50 m at 80 mV and with thermocouples
24 V DC
Yes
max. 60 mA (per channel)
Yes
typ. 1.67 mA (pulsed)
Yes
Yes
typ. 2.5 V DC (> 2.3 V DC)
typ. 2.5 V DC (> 2.3 V DC)
500 V DC
max. 50 mA
max. 30 mA (without 2-wire transducer)
typ. 1 W
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ