[Technical Notice] How to Trigger LPR Recognition through GV-AS200 Controller

Access Control technical notice
alexhon

[Technical Notice] How to Trigger LPR Recognition through GV-AS200 Controller

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Article ID: GV-03-08-08-06
Released Date: 2008/8/6



Applied to
GV-AS200 Controller
GV-LPR

Summary
GV-AS200 Controller can work in conjunction with GV-LPR to trigger the license plate recognition and then the recognition result will be output to open a gate, turn on a light and etc.

In this application, the GV-I/O USB Box installed on GV-LPR is connected to the Door A outputs on the GV-AS200 module. When the card is presented to Door A, the signal of Wiegand A will be transmitted to the Door A outputs and it will trigger GV-LPR to activate the license plate recognition.

Requirements
  • 2-door modules: AS200-2, AS200-2C, AS200-2E, AS200-2CE
    GV-LPR equipped with GV-I/O USB Box
To Connect a GV-I/O USB Box to GV-AS200 Controller
After connecting the card reader to Wiegand A, connect the GV-I/O USB Box that is installed on GV-LPR to the GV-AS200 Controller.
  1. Connect the Door + pin of Door A outputs to the DI 1 pin of GV-I/O USB Box. Then connect the Urgent 1 pin of Door A outputs to the COMA pin of GV-I/O USB Box, as illustrated below. Please note don’t connect any power to the Door A outputs.
    Screenshot_1.jpg
    Screenshot_1.jpg (33.9 KiB) Viewed 2744 times
  2. Set the Door Relay Switch of Door A to NO.
  3. It is required to allow the accessibility of Door A for entry and exit.
    Screenshot_2.jpg
    Screenshot_2.jpg (25.7 KiB) Viewed 2744 times
  4. To set GV-LPR, follow these steps:
    1. Set Detection Mode to I/O Detection.
      Screenshot_3.jpg
      Screenshot_3.jpg (29.96 KiB) Viewed 2744 times
    2. Enable and configure Input 1.
      Screenshot_4.jpg
      Screenshot_4.jpg (31.05 KiB) Viewed 2744 times
    3. Enable and configure the corresponding output, e.g. open a gate or turn on a light.
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