
6. About Hardware
56
DIO-3232L-PE, DI-64L-PE, DO-64L-PE
Block Diagram
Figure 6.1. Block Diagram < DIO-3232L-PE>
External digital
input Port 0
(8 channels, Group 0)
External digital
Input Port 1
(8 channels, Group 1)
External digital
Input Port 2
(8 channels, Group 2)
External digital
Input Port 3
(8 channels, Group 3)
Opto-
coupler
&
Transistors
External digital
Output Port 0
(8 channels, Group 4)
External digital
Output Port 1
(8 channels, Group 5)
External digital
Output Port 2
(8 channels, Group 6)
External digital
Output Port 3
(8 channels, Group 7)
DIO-3232L-PE
Interrupt
Control
Circuit
Control
Circuits
PC
I E
xp
re
ss
B
U
S
Opto-
coupler
Opto-
coupler
Opto-
coupler
Opto-
coupler
Opto-
coupler
&
Transistors
Opto-
coupler
&
Transistors
Opto-
coupler
&
Transistors