turck BL20 Series - 7.7 Digital input module, 4 DI, 24 V DC, negative switching (sourcing); 7.7.1 Technical data

Digital Input Modules
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7.7 Digital input module, 4DI, 24 V DC, negative switching (sourcing)
7.7.1 Technical data
Fig. 69: BL20-4DI-24VDC-N
Fig. 70: Block Diagram
Technical data
Designation BL20-4DI-24VDC-N
Number of channels 4
Nominal voltage from
supply terminal U
L
24 VDC
Nominal current from supply terminal I
L
40 mA
Nominal current from module bus I
MB
28 mA
Power loss of the module, typical < 1 W
Input voltage, nominal value at 24 VDC
High level U
A
0 V…+5 V
Low level U
I
> (U
PF
- 11 V)
Input current
Logic
24 Module supplyV DC
5 Module busV DC
Galvanic isolation
Field
Filter Filter Filter Filter
24 V DC
GND