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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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