Appendix A : Isolated Dio Guide - Vecow ECS-9200 User Manual

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APPENDIX A : Isolated DIO Guide

A.1 Function Description
The ECS-9700 GTX950 offers two 16-bit DIO (8-DI/ 8-DO) 20-pin terminal block
connector. Each bit of DI and DO equipped with a photo-coupler for isolated
protection. All IO pins are fixed by Hardware design and cannot change in/out
direction in runtime process. The definition is listed as follows:
Pin
No.
1
2
3
4
5
6
7
8
9
10
Definition Description
EXT_IN0 DI0
EXT_IN1 DI1
EXT_IN2 DI2
EXT_IN3 DI3
EXT_IN4 DI4
EXT_IN5 DI5
EXT_IN6 DI6
EXT_IN7 DI7
DI_COM DI COM
EGND DIO GND
Pin
Definition
No.
11 EXT_OUT0
12 EXT_OUT1
13 EXT_OUT2
14 EXT_OUT3
15 EXT_OUT4
16 EXT_OUT5
17 EXT_OUT6
18 EXT_OUT7
19 Reserved
20 E24V
Description
DO0
DO1
DO2
DO3
DO4
DO5
DO6
DO7
NC
External 24V DC
Appendix A
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