Houston Radar DR500 DR500 Doppler Radar User Manual DR500UserManual

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Document ID	573498
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Date Submitted	2005-08-20 00:00:00
Date Available	2005-08-20 00:00:00
Creation Date	2005-08-11 09:42:46
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Document Author:	reports

Houston Radar LLC
Installation and User Manual
For
Doppler Radar DR-500
Houston Radar LLC
13814 Sherburn Manor Dr. Cypress .TX
Http://www.Houston-Radar.com
Email: sales@Houston-Radar.com
Contact: (281) 382-7303
This device complies with part 15 of the FCC Rules. Operation is subject to the following
two conditions: (1) this device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired
operation.
Table Of Contents
Table Of Contents ........................................................................................................... 3
INTRODUCTION .............................................................................................................. 4
INSTALLATION ............................................................................................................... 4
Mounting:........................................................................................................................ 4
Direction Pointing:.......................................................................................................... 4
Hookup:........................................................................................................................... 5
USE ..................................................................................................................................... 6
Infrared Remote Programming: ...................................................................................... 6
DR-500 SPECIFICATIONS............................................................................................... 9
General............................................................................................................................ 9
Data Interfaces ................................................................................................................ 9
Mechanical...................................................................................................................... 9
Performance .................................................................................................................... 9
INTRODUCTION
Congratulations on your purchase of the Houston Radar LLC’s directional doppler speed
radar DR-500. This state of the art K-band microwave Doppler speed radar is specifically
designed for the license free, battery operated speed radar market, for use in speed
awareness trailers, school zones and other speed restricted traffic zone speed awareness
uses.
Utilizing the latest in high performance, ultra low power DSP (Digital Signal Processing)
technology, you will find that this high quality product meets your exacting standards for
performance and reliability.
Some of the highlights of this product include:
9 FCC approved for your convenience and piece of mind
9 Advanced DSP based performance yields consistent performance and speed detection
9 Standard serial port hookup and data format allows hassle free use in existing systems
o Use in place of existing products
o Interface to your message displays
o Use in your speed trailers
o Use in school zones
9 Up to 5X lower operational power consumption vs. competing solutions allows use of
smaller batteries and solar panels- saving you cost
9 Rugged weatherproof enclosure features side mounts and short depth
9 Built in clock/calendar allows pre-programmed times of operation
9 Only 50 micro amps power consumption in standby mode
9 Optional infrared remote control allows you to change/set:
o Min/Max speed limit of detection
o Internal clock/calendar and operational times
o Serial port settings
INSTALLATION
Mounting:
The DR-500 is supplied in a weatherproof enclosure and may be conveniently mounted
via the side-mounting bosses, outside the speed trailer enclosure to facilitate pointing it
into the oncoming traffic.
Two #8-10 size screws are required for side boss mounting (provided). Care must be take
to ensure that the provided “split washer” is used to ensure the mounting screw remains
tight under vibration.
Direction Pointing:
The DR-500 is directional in nature. It rejects traffic moving away from it and only
measures oncoming traffic.
For optimal performance, keep in mind the following:
Radar should be mounted with the mounting bosses horizontal to the road.
Radar should be pointed into the direction of the oncoming traffic.
Radar should be placed along the size of the road to minimize the angle of the
oncoming traffic to the radar.
o If radar cannot be placed right along the side of the road, it should be
pointed at least 200-300 feet up the road into oncoming traffic.
The radar will pickup rotating fans. Avoid pointing it at fans or compressors.
Radar should be mounted at least 3 feet off the road for optimal performance.
Hookup:
Power Input:
The DR-500 radar is designed to be powered from a nominal 12V DC battery and
features industry leading operational power consumption, which can be as low as 5X less
than other similar radar designs on the market.
This operational power translates directly into a longer battery life or gives you an option
to power the unit from smaller batteries which would also require smaller solar panels for
charging resulting in material cost savings in an entire solar charged battery operated
speed awareness trailer.
Serial Connection:
The DR-500 features a dual RS232 and RS485 output that are active at the same time
giving the user an option to connect serial outputs to either port (see serial port diagram).
Speed data is output serially in mph as three ASCII digits in the following format:
nnn\n\r
where:
nnn : The three digit ASCIII speed digits in mph
\n\r : A new line followed by a carriage return character
This format is compatible with other industry formats including a standard RS232 serial
port on a PC, message boards and speed displays.
Log/Statistics Storage:
The DR-500 radar has capacity to store up to 4Mb of traffic statistics and features an
clock/calendar that retains time even when external power is removed. The clock is used
to time stamp the collected statistics.
This feature is an add-on software option. Please contact Houston Radar LLC for details
and availability.
Wire #
Signal Name
+12V DC
Directi Description
on
Input
Radar + Power Supply. Connect to battery +
RS 232 TX
RS 232 RX
RS 485 +
Output RS232 transmit output from Radar
Input
RS232 receive input. Test only.
I/O
RS485 “+” terminal.
GND
RS 485 Panel Power Save
Input
System Ground. Connect to battery I/O
RS485 “-” terminal.
Output See Note 1.
10
Panel Power Save
GND
Reserved
Output Connected to wire #7. See Note 1.
Input
System Ground. Connected to wire #5.
N/A
Reserved for future use. Do not connect
Note1: The DR-500 features an output that can power up an external display panel to
bring it out of power saving mode when a vehicle is detected. If the panels you
hook to the radar do not feature such an input, this wire should remain
unconnected.
USE
Turn on the power to the DR-500 to make it operational. No other action is required. The
radar will output data over the serial port(s) whenever it detects a vehicle that is above the
programmed lower speed limit and below the programmed high limit. The default limits
are set at 5mph and 99mph at the factory.
Using the IR remote control, program the high limit to blank out the speed display above
this limit. This will prevent “racing against the radar” by denying a speed feedback
display of excessive speeds as determined by you.
Infrared Remote Programming:
The DR-500 features various built in functions that may be accessed and programmed in
the field using an optional infrared remote control. These features may only be
programmed in conjunction with speed display panels that support visual feedback of
ASCII chars sent on the serial data line. Contact the factory for availability and a list of
panels that support this feature.
This section describes these features and how to program the values into the radar using
the IR remote.
Stand in front of the radar, between 2 and 10 feet away and point the IR remote to the
front face of the radar (the IR receiver window is the small circular hole below the
rectangular window). Then follow the following steps to program the following
functions:
Speed Low Limit:
Use this feature to only give speed awareness feedback to vehicles over a certain limit,
for example the speed limit. This would setup the system to not display the speeds of
vehicles that are below the limit, rather only display the speed of vehicles that are above
the limit. With panels that support the “power saving mode”, this can result in very
significant power savings and significantly extended operation time between battery
recharges.
1.
2.
3.
4.
Press the “System Configuration” button once.
Press the Up/Down key(s) till you see “Lo” on the display.
Press the “Select” key. This will display the current “Speed Low Limit” value.
Using the numeric keypad or the “Left/Right” keys, set the “Speed Low Limit”
that you require.
5. Press the “Select” key to save the new “Speed Low Limit” value in the radar.
Speed High Limit:
Use this feature to blank out the speed display of vehicles over this limit. You can use
this feature to defeat “racing against the radar” issue.
1.
2.
3.
4.
Press the “System Configuration” button once.
Press the Up/Down key(s) till you see “Hi” on the display.
Press the “Select” key. This will display the current “Speed High Limit” value.
Using the numeric keypad or the “Left/Right” keys, set the “Speed High Limit”
that you require.
5. Press the “Select” key to save the new “Speed High Limit” value in the radar.
Set Serial Baud Rate:
Note: This configuration is only required at the factory when mating the radar to the
selected speed digit display panels. Once configured, the radar keeps the configuration
even after power is removed and need not be reconfigured.
Use this feature to set the baud rate of the serial data port by following the following
steps:
1. Apply +12 V DC battery power to the radar power wires
2. Stand between 2 and 10 feet from the front of the radar and point the IR remote
(optional, purchase separately) at the front face of the radar
3. Select the baud rate from the table below and note the key combination from the
“Key #” column in the table.
4. Press the “Set Baud “ key on the IR remote followed by the two digit numeric code
from the desired baud rate row picked in #3 above, followed by the “Select” key.
5. You may press cancel any time in the above procedure to cancel programming the
new baud rate. The new baud rate is not stored and changed till you press the “Select”
key.
Your baud rate is now programmed in permanent memory and if you have speed display
panels hooked up, they will display the two digit key combination that you entered to
select the baud rate.
If you want to change the baud rate of the radar, you can simply follow the above
procedure and select a new baud rate any number of times.
Baud Rate (bps)
1200
1200
1200
1200
# Data Bits
# Stop Bits
Parity
Even
Odd
None
None
Key #
SET BAUD + 10
SET BAUD + 11
SET BAUD + 12
SET BAUD + 13
2400
2400
2400
2400
Even
Odd
None
None
SET BAUD + 20
SET BAUD + 21
SET BAUD + 22
SET BAUD + 23
9600
9600
9600
9600
Even
Odd
None
None
SET BAUD + 30
SET BAUD + 31
SET BAUD + 32
SET BAUD + 33
115,200
None
SET BAUD + 43
DR-500 SPECIFICATIONS
General
Operating Band
Frequency
Power Output
Antenna Gain
Polarization
Supply Voltage
Reverse Battery
Detection Range
Nominal Current Draw
Operating Temp.
Weatherproof
IR Remote Programmable
K-Band
24.125 GHz ±5Mhz
5mW
21 dB
Linear
9V DC to 18V DC
Protected
Typically 500+ feet
58 mA (+12V DC)
-22°F to +185°F
(-30°C to +85°C)
Yes
Yes
Data Interfaces
Serial Communication
Data Rate
Data Format
RS232 and RS485
Baud Rates from
1200 to 115200 baud
Selectable via IR Remote
(Please refer to user manual)
Mechanical
Weight
Length
Cable Exit
Mounting
Width
1.9 lb
5.5 inches
Bottom
Two side bosses using
2X #8-24 screws (provided)
5 inches body
6 inches @mounting bosses
Performance
Accuracy
Speed Range
Detection Range
±0.1 mph
5 mph to 105 mph
(8 Kmph to 168 Kmph)
Typically 500+ feet detecting compact
car, longer with larger vehicles
CAUTION:
ƒ
ƒ
Any device into which the DR-500 is installed must be labeled with “Contains
FCCID:TIADR500”
Any modifications made to the DR-500 will strictly void FCC certification and a
separate approval must then be obtained.

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Create Date                     : 2005:08:11 09:42:46-05:00
Modify Date                     : 2005:08:11 09:42:46-05:00
Page Count                      : 10
Creation Date                   : 2005:08:11 14:42:46Z
Mod Date                        : 2005:08:11 14:42:46Z
Producer                        : Acrobat Distiller 5.0.5 (Windows)
Author                          : reports
Metadata Date                   : 2005:08:11 14:42:46Z
Creator                         : reports
Title                           : Microsoft Word - DR500UserManual.doc

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