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Traffic Countdown Timer
Mar 27, 2014

Mainly used for fixed time multi-time, multi-program traffic lights control junction, showing 2 countdown time, the longest display time of 99 seconds, can simultaneously display all the green, yellow or red light time.

First, the entire process of traffic countdown timer (learning type):

The full range of traffic countdown timer (learning type) is mainly used for fixed time multi-time, multi-program traffic light control junction, showing 2 countdown time, the longest display time of 99 seconds, can be synchronized to display all the green, yellow or red light time.

Double digital traffic countdown timer.png

1. According to "Road Traffic Signal Countdown Display GA / T508-2004" stipulates that when the traffic light running control scheme is switched over, the countdown in two traffic light cycles will run in black status. This is normal phenomenon and not equipment failure.

2. When some of the red / green time exceeds 99 seconds (maximum display time), the countdown timer will stop displaying for 99 seconds until the long time has elapsed.

single digital traffic countdown timer.png


Second, after the program traffic countdown timer:

The Post Traffic Timer is a countdown timer used with the Intelligent Traffic Signal Control System (SCATS) to begin displaying the red / green time at the end of each red / green time. The post-traffic traffic countdown timer is black for the majority of the time since it only starts showing at the last minute of the red / green time.

Third, the traffic countdown Category:

Traffic countdown: units from 9 onwards,

Double bit from 99 onwards,

Two and a half also called three from 199;

Color can be divided into: monochrome, two-color, three-color;

Countdown combination: countdown plus arrow lights, countdown plus disk lights, countdown plus additional lights.

Traffic countdown timer.png


The Shaanxi Yiyuan Traffic Technology Engineering Co.Ltd. 


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  • Shaanxi Yiyuan Traffic Technology Engineering Co.,Ltd

    Tel: +86-29-88270591

    E-mail: sxyyjt@sx-yyjt.com

    QQ: 1829090767

    Zip: 710065

    Address: No.5, Production Road, West Thermal Power Plant, West Section Of Hongguang Road, Weiyang District, Xi'an, Shaanxi, China

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