6. About Hardware
DIO-1616T-PE, DI-32T-PE, DO-32T-PE
59
Block Diagram
DIO-1616T-PE
Interrupt
control
Control
circuit
PC
I Exp
re
ss
BUS
TTL
receiver
External
digital input port 0
(8 points, group 0)
TTL
receiver
Open
collector
External
digital input port 1
(8 points, group 1)
External
digital output port 0
(8 points, group 2)
External
digital output port 1
(8 points, group 3)
Open
collector
Figure 6.1. Block Diagram < DIO-1616T-PE >