Contec DI-128L-PE, Руководство пользователя, Страница: 58 / 77

3. External Connection
DIO-6464L-PE, DI-128L-PE, DO-128L-PE
51
Connecting to the LED
O-80 (CNB : 7 pin)
LED
5.1k
Ω
Common pluus for output (CNB : 23 pin)
Bo
ar
d
Common Minus for output (CNB : 1 pin)
+
-
External
Power
Supply
12 - 24 VDC
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 3.14. An Example to use Output O-80 < DIO-6464L-PE >, < DO-128L-PE >
Example of Connection to TTL Level Input
Common plus
for output
Output
TTL Level Input
VCC
Input Board
GND
2k Ω
+ -
External
Power Supply
12 - 24 VDC
Common Minnus
for output
Figure 3.15. Connection Example of Output and TTL level Input Signal
< DIO-6464L-PE >, < DO-128L-PE >