
6. About Hardware
DIO-3232L-PE, DI-64L-PE, DO-64L-PE
57
Figure 6.2. Block Diagram < DI-64L-PE>
DI-64L-PE
Opto-
coupler
Opto-
coupler
Opto-
coupler
Opto-
coupler
Opto-
coupler
Opto-
coupler
Opto-
coupler
Opto-
coupler
Control
Circuits
Interrupt
Control
Circuit
PC
I
E
xp
re
ss
B
U
S
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)
External digital
Input Port 4
(8 channels, Group 4)
External digital
Input Port 5
(8 channels, Group 5)
External digital
Input Port 6
(8 channels, Group 6)
External digital
Input Port 7
(8 channels, Group 7)