Appendix C: Signal Connection Of Di/Do; Gpio Pinout Description; Digital Input - Nexcom VTC 7120-BK Series User Manual

Appendix C: Signal Connection of DI/DO

Appendix C: Signal Connection of DI/DO

GPIO Pinout Description

SIO-F-90-5.08mm SIO-F-90-5.08mm
G_IN1 1
G_OUT1 6
G_IN2 2
G_OUT2 7
G_IN3 3
8
G_OUT3
G_IN4 4
G_OUT4 9
5
CN18 CN1
GPIO_GND

Digital Input

CN18 connector for GPI signal (digital signal input)
The CN18 has 4 digital input channels.
Dry Contact (default)
The GPI signals have a pull up resistor to 5V internally.
Copyright © 2012 NEXCOM International Co., Ltd. All Rights Reserved.
The figure below shows how to connect an external output source to one
of the input channel.
VCC5
RN1 RN1
1K 1K
16 1 G_IN1
1C 1B
15 2 G_IN2
2C 2B
14 3 G_IN3
3C 3B
13 4 G_IN4
4C 4B
12 5
5C 5B
11 6
6C 6B
10 7
7C 7B
9 8
COM E
ULN2003ADR ULN2003ADR
GPIO_G ND
Wet Contact:
Please contact sales for further information.
61
Internal External
SIO-F-90-5.08mm SIO-F-90-5.08mm
G_IN1 1
G_OUT1 6
G_IN2 2
G_OUT2 7
G_IN3 3
G_OUT3 8
G_IN4 4
G_OUT4 9
5
CN18 CN1
GPIO_GND
VTC 7120-BK Series User Manual
ON==>GND
OFF==>OPEN