ICP DAS USA PCI-P16R16 Benutzerhandbuch

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2.4      Isolated Input 
 
•  For PCI-P8R8 / P16R16 / P16C16 / P16POR16 
Reading the isolation input register will give the digital input state of the photo-
couple (isolation input). Figures 2-3 and 2-4 show the basic circuit of the digital 
input. 
 
 
 
 
 
 
 
 
 
 
 
 Figure 2-3. Basic Digital Input Circuit. 
5 ~ 24 V 
AC/DC 
Switch 
DIA 0 
DIB 0 
If Using AC 
Signal, JP1 must 
be shorted 2-3!!
Internal 
Circuit 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PCI-P8R8/P16R16/P16C16/P16POR16 User’s Manual  (Ver.2.2, 2005/5/5) …
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