Contec DIO-1616TB-PE, User Manual, Page: 43 / 63

3. External Connection
36
DIO-1616TB-PE
Connector Pin Assignment
Pin Assignments of Interface Connector (CN1)
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
N.C.
Vcc
I-17
I-16
I-15
I-14
I-13
I-12
I-11
I-10
I-07
I-06
I-05
I-04
I-03
I-02
I-01
I-00
GND
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
Vcc
O-37
O-36
O-35
O-34
O-33
O-32
O-31
O-30
O-27
O-26
O-25
O-24
O-23
O-22
O-21
O-20
GND
+5V
+5V
Signal common
+0 port
(input)
+1 port
(input)
+2 port
(output)
+3 port
(output)
Signal common
I-00 - I-17 can be used as interrupt signal.
* The numbers in square brackets [ ] are pin numbers designated by HONDA TSUSHIN KOGYO CO., LTD.
I-00 - I-17 16 input signal pins. Connect output signals from the external device to these pins.
O-20 - O-37 16 output signal pins. Connect these pins to the input signal pins of the external device.
Vcc When using the internal power supply, 5V. When using the external power supply,
connect these pins to the positive side.
GND When using the internal power supply, output GND. When using the external power supply,
connect these pins to the negative side.
N.C. This pin is left unconnected.
Figure 3.2. Pin Assignments of Interface Connector (CN1)