Contec PIO-32/32B(PCI)V, User Manual, Page: 41 / 59

3. External Connection
34
PIO-32/32B(PCI)V
When the PC is turned on, all output are reset to OFF.
Connection to the LED
Figure 3.7. An Example to use Output O-40 < PIO-32/32B(PCI)V >
Example of Connection to TTL Level Input
Figure 3.8. Connection Example of Output and TTL level Input Signal < PIO-32/32B(PCI)V >
CAUTION
O-40 (CN1 : B03 pin)
LED
5.1k
Ω
Output plus common (CN1 : B19 pin)
B
oa
rd
s
id
e
When "1" is output to a relevant bit, the corresponding LED comes on.
When "0" is output to the bit, in contrast, the LED goes out.
External
powwer supply
12 - 24VDC
Output plus common
Output
Output minus common
TTL level input
Input board
GND
VCC
2k
Ω
- +