turck BL20 Series - 7.8 Digital input module, 4 DI, NAMUR; 7.8.1 Technical data

Digital Input Modules
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7.8 Digital input module, 4DI, NAMUR
7.8.1 Technical data
Fig. 75: BL20-4DI-NAMUR
Fig. 76: Block Diagram
Technical data
Number of channels 4
Nominal voltage from supply terminal U
L
24 VDC
Nominal current from supply terminal I
L
30 mA
Nominal current from module bus I
MB
40 mA
IN
NAMUR
(input)
switch-on threshold 1.74 mA
switch-off threshold 1.45 mA
IN
WB
switch-on threshold 0.08 mA
switch-off threshold 0.12 mA
Logic
24 Module supplyV DC
5 Module busV DC
Galvanic isolation
Filter Filter Filter Filter
24 V DC
GND
Field