Wavetronix VDR24 Radar Manual do Utilizador Página 13

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Introduction and Overview
VDR24 Radar Detection System, Rev. 1.0 13
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The Island Radar Company is pleased to provide this radar-based vehicle and train detection
radar solution, powered by rugged and proven Wavetronix SmartSensor© Matrix sensors, with
railroad specific application enhancements. This system is designed to provide reliable and
failsafe detection of vehicles without the negative consequences associated with maintaining
buried loop technologies. Unaffected by precipitation, temperature, fog, and varying light
conditions, this technology is at work in tens of thousands of Intelligent Transportation System
(ITS) applications worldwide.
The system is comprised of two (and in some cases, more) SmartSensor-Rail radar sensors
connected to a centralized controller, the VDR24. The VDR24 controller communicates with
each connected radar sensor every 60msec to verify operability and to instantly get information
regarding vehicle presence in any of up to 10 lanes of traffic containing up to16 configurable
detection zones. The VDR24 controller’s AREMA-compliant isolated outputs are intended to
connect to a crossing controller or any other equipment needing an indication of vehicle or train
presence in these user configurable zones.
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Two radars are used to provide 100% redundancy of the detection zone areas, a reliability
feature available with no other detection system. Each radar sensor communicates with a
separate output processor within the VDR24 controller, and a third supervisory processor
monitors and double-checks every radar message and the resultant output processor’s
response. This “no single point of failure” vital architecture is unique to the Island Radar Vehicle
Detection solution a performance attribute unavailable with any other form of vehicle
detection.
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