Contec ADI12-16(PCI) User Manual page 56

Board
VCC
1kΩ
Figure 3.15. Example connection to current sink input
Board
VCC
1kΩ
Figure 3.16. Example of connection to TTL level input (with pull-up resistor)
ADI12-16(PCI)
10kΩ
+Common Out
Output pin
-Common Out
10kΩ
+Common Out
Output pin
-Common Out
3. External Connection
External power supply
12 - 24VDC
Remote device
Common plus
Input
External power supply
12V - 24VDC
Remote device
+5V
TTL level input
Ground
49