Communication Ports; Data Buffering; Operating Conditions - Wavetronix SmartSensor HD Manual

Communication Ports

˿ Com ports:
̀ Full-duplex RS-232 with RTS/CTS
̀ Half-duplex RS-485
˿ Firmware upgradability over any com port
˿ User configurable:
̀ Baud rate
̀ Response delay
̀ Data push
̀ RS-232 flow control
˿ Supported baud rates: 9600, 19200, 38400, 57600 and 115200
bps
Data Protocols
˿ Protocol support for interval, event, presence
˿ Data protocol document available free of charge
˿ Interval data for each lane:
̀ Sensor ID
̀ Timestamp
̀ Volume
̀ Average speed
̀ Occupancy
̀ Classification counts
̀ Speed bin counts
̀ Direction counts
̀ Average headway
̀ Average gap
̀ 85th percentile speed
˿ Event data for each detection:
̀ Sensor ID
̀ Timestamp
̀ Lane assignment
̀ Speed
̀ Length
̀ Class
̀ Range
˿ Presence data for each lane:
̀ Sensor ID
̀ Per-lane presence

Data Buffering

˿ At least 9,000 intervals stored internally
˿ Intervals timestamped using real-time clock
Radar Design
˿ Operating frequency: 24.0–24.25 GHz (K-band)
˿ Operating frequency: 24.05–24.25 (K-band) (125A)
˿ Dual-radar
˿ No manual tuning to circuitry
˿ Transmits modulated signals generated digitally
˿ No temperature-based compensation necessary
˿ Bandwidth stable within 1%
˿ Printed circuit board antennas
˿ Antenna vertical 6 dB beam width (two-way pattern): 65°
˿ Antenna horizontal 6 dB beam width (two-way pattern): 7°
˿ Antenna two-way sidelobes: -40 dB
˿ Transmit bandwidth: 245 MHz
˿ Transmit bandwidth: 195 MHz (125A)
˿ Un-windowed resolution: 2 ft. (0.6 m)
˿ Un-windowed resolution: 2.5 ft. (0.8 m) (125A)
˿ RF channels: 4
˿ EIRP: 14.3 dB
˿ Antenna gain: 14 dB
Configuration
˿ Auto-configuration of lanes/detection zones:
̀ Internal to the sensor
̀ Uses positions of the vehicles
̀ Based on probability density function estimation
˿ Manual configuration supported
˿ Lane boundary increment: 1 ft. (0.3 m)
˿ Graphical user interface with traffic pattern display
˿ Pointing assistant for horizontal alignment
˿ Windows Mobile–compatible software
˿ Supported operating systems:
̀ Windows® Mobile (Socket Mobile 650-M)
̀ Windows XP
̀ Windows Vista
̀ Windows 7
˿ Software-supported functionality:
̀ Auto-find baud rate
̀ Auto-find serial port
̀ TCP/IP connectivity
̀ Sensor configuration back-up and restore
̀ Virtual sensor connections

Operating Conditions

˿ Accurate performance in:
̀ Rain up to 2 in. (5.08 cm) per hour
̀ Freezing rain
̀ Snow
̀ Wind
̀ Dust
̀ Fog
̀ Changing temperature
̀ Changing lighting (even direct light on sensor at dawn and
dusk)
˿ Ambient operating temperature: -40°F to 165°F (-40°C to 74°C)
SmartSensor HD
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