Connection To The Led; Example Of Connection To Ttl Level Input - Contec DIO-0808L-PCI User Manual

3. External Connection

Connection to the LED

Output plus common (CN1 : 37pin)
O-20 (CN1 : 21pin)
Output minus common (CN1 : 20pin)
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.
Figure 3.6. An Example to use Output O-00

Example of Connection to TTL Level Input

Output plus common
Output
Output minus common
Figure 3.7. Connection Example of Output and TTL level Input Signal
32
5.1k
LED
External
power supply
12 - 24VDC
- +
2k
+
External
power supply
12 - 24VDC
-
Input board
VCC
TTL level input
GND
DIO-0808L-PCI