6
PIO-16/16L(PCI)H, PI-32L(PCI)H, PO-32L(PCI)H
Ver.1.00
Output plus common
Output
Output minus common
TTL level input
VCC
Input board
GND
2k
Ω
External
power supply
12 - 24VDC
+
-
Connecting the Sink Type Output
and Sink Output Support Input
The following example shows a connection between a sink type
output (output board) and a sink output support input (input
board). Refer to this connection example when you connect such
boards to each other.
External
power supply
12 - 24VDC
+
-
Output board
Output plus common
Output (sink type)
Output minus common
Input (Compatible with sink output)
Input plus common
Input board
Block Diagram
Input Port 0
(8 channels, Group 0)
Input Port 1
(8 channels, Group 1)
Output Port 0
(8 channels, Group 2)
Output Port 1
(8 channels, Group 3)
Interrupt
Control
Circuit
Control
Circuits
PIO-16/16L(PCI)H
PC
I B
U
S
Opto-
coupler
&
Transistors
Opto-
coupler
Opto-
coupler
Opto-
coupler
&
Transistors
Interrupt
Control
Circuit
Control
Circuits
PI-32L(PCI)H
PC
I B
U
S
Input Port 0
(8 channels, Group 0)
Opto-
coupler
Input Port 1
(8 channels, Group 1)
Input Port 2
(8 channels, Group 2)
Input Port 3
(8 channels, Group 3)
Opto-
coupler
Opto-
coupler
Opto-
coupler
