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2.4 Isolated
Input
•
For PCI-P8R8/P16R16/P16C16/P8POR8/P16POR16 and PEX-
P8POR8i/P16POR16i
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.
5 ~ 24
V
AC/DC
Switch
DIA 0
DIB 0
If Using AC
Signal, JP1 must
be shorted 2-3!!
Internal
Circuit
Figure 2-3. Basic Digital Input Circuit.
PCI-P16R16 Series User Manual (Ver.2.8, Apr. 2011, PMH-013-28)
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