turck BL20 Series - 8.3.7 Measurement value representation; 8.4 Analog input module, 2 AI, -10;0…+10 VDC; 8.4.1 Technical data

Analog Input Modules
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8.3.7 Measurement value representation
8.4 Analog input module, 2AI, -10/0…+10 VDC
8.4.1 Technical data
NOTE
A detailed description of the measurement value representation for the analog input
modules in 16 or 12 bit can be found in the Appendix, s. p. 493.
Fig. 123: BL20-2AI-U(-10/0...+10VDC)
Fig. 124: Block Diagram
Technical data
Designation BL20-2AI-U(-10/0...+10VDC)
Number of channels 2
Nominal voltage from
supply terminal U
L
24 VDC
Nominal current from supply terminal I
L
12 mA
Logic
24 Module supplyV DC
5 Module busV DC
Galvanic isolation
R 98.5 kfO
Field
A/D Converter
+ Multiplexer
Sensor
power supply
max. 250 mA
Reference
24 V DC
GND