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6. About Hardware
PIO-64/64L(PCI)H, PI-128L(PCI)H, PO-128L(PCI)H
61
Block Diagram
PIO-64/64L(PCI)H
Figure 6.1. Block Diagram < PIO-64/64L(PCI)H >
Interrupt Control
Control Circuit
PIO-64/64L(PCI)H
External
Digital Input Port0
(8ch
,
Group0)
Opto-
coupler
Opto-
coupler
&
Transistor
PC
I B
U
S*
External
Digital Input Port1
(8ch
,
Group1)
Exte
rnal
Digital Input Port2
(8ch
,
Group2)
External
Digital Input Port3
(8ch
,
Group3)
External
Digital Input Port4
(8ch
,
Group4)
External
Digital Input Port5
(8ch
,
Group5)
External
Digital Input Port6
(8ch
,
Group6)
External
Digital Input Port7
(8ch
,
Group7)
External
Digital Output Port8
(8ch
,
Group8)
External
Digital Output Port9
(8ch
,
Group9)
External
Digital Output PortA
(8ch
,
GroupA)
External
Digital Output PortB
(8ch
,
GroupB)
External
Digital Output PortC
(8ch
,
GroupC)
External
Digital Output PortD
(8ch
,
GroupD)
External
Digital Output PortE
(8ch
,
GroupE)
External
Digital Output PortF
(8ch
,
GroupF)