83
©Vecow RCX-1500 PEG User Manual
Appendix A
A
APPENDIX A : Isolated DIO Guide
A.1 Function Description
The RCX-1520 (RCX-1000 series) offers two 16-bit Isolated DIO 20-pin terminal
block connector, a watchdog timer.
Isolated DIO pins are fix by Hardware design that cannot change in/out direction
in runtime process.
DIO definition is shown below :
Pin No.
Isolated DIO
Non-Isolated
DIO
Definition
Pin No.
Isolated DIO
Definition
Non-Isolated
DIO
Definition
1
DI 0
DIO 0
11
DO 0
DIO 8
2
DI 1
DIO 1
12
DO 1
DIO 9
3
DI 2
DIO 2
13
DO 2
DIO 10
4
DI 3
DIO 3
14
DO 3
DIO 11
5
DI 4
DIO 4
15
DO 4
DIO 12
6
DI 5
DIO 5
16
DO 5
DIO 13
7
DI 6
DIO 6
17
DO 6
DIO 14
8
DI 7
DIO 7
18
DO 7
DIO 15
9
DI COM
NC
19
DIO_GND
DIO_GND
10
DIO_GND
DIO_GND
20
External VDC
NC
