turck BL20 Series - 8.2 Analog input module, 2 AI, 0;4...20 mA; 8.2.1 Technical data

107
2020/09
8.2 Analog input module, 2AI, 0/4...20mA
8.2.1 Technical data
Fig. 108: BL20-2AI-I(0/4…20MA)
Fig. 109: Block Diagram
Technical data
Designation BL20-2AI-I(0/4…20MA)
Number of channels 2
Nominal voltage from
supply terminal U
L
24 VDC
Nominal current from supply terminal I
L
 12 mA
Nominal current from module bus I
MB
 35 mA
Power loss of the module, typical
< 1 W
Input current 0/4...20 mA
Max. input current 50 mA
Input resistance (burden) 125 
Logic
24 V DC Module supply
5 Module busV DC
Galvanic isolation
R < 125 O
Field
A/D Converter
+ Multiplexer
Sensor
power supply
max. 250 mA
Reference
24 V DC
GND