Contec ADI12-16(PCI) User Manual page 54

Board
VCC
5.1kΩ
Opto-coupler
Figure 3.12. Example of connection of open collector output (current sink type)
Reference
For the operation timings for control signal input, see "Timing of External Control Signals" in
Chapter 6 "Hardware".
Board
VCC
5.1kΩ
Figure 3.13. Example of connection to mechanical contact
In the above example, the input signal and data (internal logic) on the PC have the following
relationships.
Table 3.1 Relationships between input signal and data (internal logic) on the PC
Internal logic Contact point
0 OFF
1
Reference
For the operation timings for control signal input, see "Timing of External Control Signals" in
Chapter 6 "Hardware".
ADI12-16(PCI)
3kΩ
3kΩ
Opto-coupler
Input pin voltage level
High
ON Low
Common plus
+Common In
collector output
Input pin
Common minus
+Common In
Input pin
Contact point
3. External Connection
External power supply
12 - 24VDC
Remote device
Open
External power supply
12 - 24VDC
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