Image Sensing Systems RTMS-K4 RTMS K4 User Manual

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Date Submitted	2007-08-31 00:00:00
Date Available	2007-09-04 00:00:00
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RTMS™ User Manual for Model K4
Draft 1
Page i
IMPORTANT SAFETY INFORMATION
READ ALL INSTRUCTIONS BEFORE USING
HEED ALL WARNINGS IN THESE INSTRUCTIONS
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE
WARNING
RTMS units must be installed and adjusted in accordance with the installation
instructions contained in this manual.
Use the RTMS only for its intended purposes as described in this manual.
Changes or modifications not expressly approved by EIS Electronic Integrated
Systems Inc. could void the user's authority to operate the equipment.
NOTE
This equipment has been tested and found to comply with the limits for a Class A
digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user will
be required to correct the interference at their expense.
Contact EIS
Please contact EIS with any questions or concerns about the RTMS or other EIS
products, toll free at 1-800-668-9385. More information about our complete
product line is available on the web at www.eistraffic.com.
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
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EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
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Brief Description
The RTMS (Remote Traffic Microwave Sensor) measures the distance to objects in the path of its
microwave beam. This ranging capability allows it to detect moving and stationary vehicles in multiple
detection zones.
The sensor can be mounted on road-side poles and aimed at a right angle to the road; refered to as the
side-fired configuration. A single sensor can monitor traffic in up to 8 lanes. Sensors may also be
mounted on overhead structures to monitor traffic in a single lane; the forward-looking configuration.
The internal processor calculates volume, occupancy and average speed as well as vehicle class by
length in each lane and transmits the information using its data port. Optional contact closure outputs are
also available for for compatibility with loop based systems.
For optimal accuracy, EIS strongly recommends installation of all RTMS and RTMS related
products by personnel trained by EIS.
EIS also strongly recommends surveying of installation sites for all RTMS and RTMS related
products by personnel trained by EIS.
For more information about our installation, surveying, and training programs, contact EIS at
1-800-668-9385.
WARNING:
Consult EIS before using the RTMS or other RTMS related products for any
purpose not expressly described in this manual or any of the other RTMS product
manuals. Do not use the RTMS to control or operate a gate opening mechanism.
Use of the RTMS for this, or any other unauthorized purpose, may lead to serious
injury.
Scope of this Document
This user manual provides information on setup, operation and troubleshooting of the RTMS sensor
model K4, and its setup employing the RTMS Setup Utility (WinRTMS) version 3.5. It is backwards
compatible with all previous RTMS versions.
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
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Revision History
Issue No.
Issue date
Reason for issue
Draft 1.0
June 2007
Initial Revison based on V6.8 firmware
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
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Table of Content
INCOMING INSPECTION................................................................................................. 1
RTMS OPTIONS .................................................................................................................. 1
RTMS INSTALLATION – SIDE FIRED CONFIGURATION....................................... 2
MOUNTING AND AIMING .............................................................................................................. 2
SETBACK/HEIGHT DIAGRAMS ...................................................................................................... 3
CABLING.............................................................................................................................. 4
SURGE SUPPRESSION .................................................................................................................... 4
THE RTMS CABLE ...................................................................................................................... 4
MS Connector pin-out............................................................................................................. 5
Standard RS-232 Port Wiring................................................................................................. 6
The RS-485 Port ..................................................................................................................... 6
The TCP/IP Port with RS-232................................................................................................. 7
The TCP/IP port with RS-485 ................................................................................................. 7
CONNECTING RTMS TO REMOTE SYSTEMS ................................................................................. 8
Modem Cables ........................................................................................................................ 8
Modem Sharing....................................................................................................................... 9
RS-485 Multidrop.................................................................................................................. 10
SETUP OF THE RTMS ..................................................................................................... 11
THE RTMS SETUP UTILITY (WINRTMS).................................................................................... 11
GETTING STARTED ..................................................................................................................... 11
Changing RTMS Setup Utility COM Port and Mode ........................................................... 12
Changing WinRTMS Mode.................................................................................................. 12
Selecting a different COM Port ............................................................................................ 12
Changing Serial Port Speed .................................................................................................. 12
Setting DSS Parameters (if equipped) .................................................................................. 13
IP Address (if equipped) ....................................................................................................... 14
Preparing the PC ................................................................................................................... 14
Programming the RTMS IP address ..................................................................................... 14
DETECTION ZONE SETUP ............................................................................................................ 15
Automated Detection Zone Setup (Wizard)........................................................................... 15
Manual Zone Setup - Side-Fired........................................................................................... 16
Fine Tune Adjustment........................................................................................................... 16
Manual Fine Tuning.............................................................................................................. 16
Detection Zone Size............................................................................................................... 16
COUNT VERIFICATION ............................................................................................................... 17
SPEED CALIBRATION.................................................................................................................. 17
Side-fired Automatic Speed Calibration ............................................................................... 18
Side-fired Manual Speed Calibration.................................................................................... 18
RTMS OPERATING MODES - DETAILS ....................................................................................... 19
RTMS STATISTICAL TRAFFIC DATA ........................................................................ 20
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MESSAGE PERIOD ...................................................................................................................... 20
Vehicle Classification ........................................................................................................... 21
Setting the number of vehicle classes ................................................................................... 21
Class Measurements Display................................................................................................ 22
PER VEHICLE SPEED DISPLAY.................................................................................................... 22
ADVANCED PARAMETERS .......................................................................................................... 23
Real Time Clock Change ...................................................................................................... 24
DATA RECORDING ..................................................................................................................... 25
STORAGE AND DOWNLOADING OF TRAFFIC DATA (DATA STORAGE OPTION ONLY) .................. 26
DATA MODES ............................................................................................................................ 27
OPERATING WINRTMS IN MULTI-DROP MODE ................................................... 28
ACCESSING A SPECIFIC SENSOR IN MULTI-DROP MODE ............................................................. 28
INSTALLATION AND ZONE SETUP - FORWARD LOOKING MODE.................. 29
FORWARD-LOOKING MOUNTING AND AIMING ........................................................................... 29
ZONE SETUP – FORWARD-LOOKING MODE ................................................................................ 30
Automatic setup..................................................................................................................... 30
Manual Zone Setup ............................................................................................................... 30
Forward-Looking Speed calibration ..................................................................................... 30
RTMS INSTALLATION FOR STOP BAR DETECTION ............................................ 31
Intersection Controller Settings ............................................................................................ 31
10
RTMS TROUBLESHOOTING GUIDE .......................................................................... 32
RTMS SELF TEST ...................................................................................................................... 32
11
WARRANTY AND SERVICE .......................................................................................... 34
EIS WARRANTY ......................................................................................................................... 34
SERVICE INFORMATION .............................................................................................................. 34
12
SPECIFICATIONS............................................................................................................. 35
MICROWAVE SIGNAL AND COVERAGE AREA ............................................................................. 35
MEASUREMENTS, THEIR ACCURACIES AND RANGES .................................................................. 35
Accuracy Performance Conditions ....................................................................................... 35
MECHANICAL ............................................................................................................................. 35
POWER REQUIREMENTS AND CONSUMPTION ............................................................................. 36
INTERFACES ............................................................................................................................... 36
Zone Contact Ratings............................................................................................................ 36
Data Ports............................................................................................................................. 36
FLASH UPGRADE ........................................................................................................................ 36
SURGE IMMUNITY ...................................................................................................................... 36
ENVIRONMENTAL CONDITIONS .................................................................................................. 36
ELECTROMAGNETIC INTERFERENCE........................................................................................... 36
RELIABILITY .............................................................................................................................. 36
APPENDIX 1
RECOMMENDED SURGE PROTECTION............................................... 37
EIS Electronic Integrated Systems Inc.
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Table of Figures
Figure 1 – RTMS Aiming ............................................................................................................... 2
Figure 2 - Set-back Distance Chart................................................................................................. 3
Figure 3 – Mounting Height Chart.................................................................................................. 3
Figure 4 – MS Connector................................................................................................................ 5
Figure 5 – RS-232 Wiring Diagram................................................................................................ 6
Figure 6 – RS-485 Wiring Diagram................................................................................................ 6
Figure 7 – TCP/IP Wiring Diagram................................................................................................ 7
Figure 8 - TCP/IP with RS-485 Wiring Diagram ........................................................................... 7
Figure 9 – RTMS to Modem connections....................................................................................... 8
Figure 10 – Modem sharing Y cables ............................................................................................. 9
Figure 11 - RS-485 Multi-drop wiring.......................................................................................... 10
Figure 12 - Changing RTMS Communication.............................................................................. 12
Figure 13 - RTMS Setup Utility main screen ............................................................................... 15
Figure 14 - RTMS Utility Verification Screen ............................................................................. 22
Figure 15 – Sample RTMS data file ............................................................................................. 25
Figure 16 - Forward Looking mounting options........................................................................... 29
Figure 17 – Queue Detection ........................................................................................................ 29
Figure 18 – RTMS Intersection Installation ................................................................................. 31
Figure 19 – Surge Suppression ..................................................................................................... 37
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
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INCOMING INSPECTION
The RTMS shipment contains:
•
The RTMS sensor with lynch pin.
•
Ball-joint mounting bracket; the vertical style is shipped by default; a horizontal style is available on
request.
•
Connector kit consisting of :
MS connector, female crimp pins, backshell, and pin insertion/extraction tool
DB-9F connector, female crimp pins and backshell
RJ-45 jack, if ordered with internal TCP/IP option
•
RTMS Setup Utility Software on CD.
• Antenna, if equipped with an internal DSS modem (indicated by a label).
Please notify EIS Inc. immediately if the contents are incomplete or there is physical damage.
RTMS OPTIONS
The standard RTMS offers the following:
•
K-band (24.125 GHz) radar signaling
•
Low voltage power 12-24V AC or DC
•
RS-232/485/USB Serial Interface
•
Integrated 8MB of internal data storage for counting applications
RTMS may be ordered with the following options:
Data Communication Options
•
Secondary RS-232/485 Serial Interface
•
Integrated Digital Spread Spectrum (DSS) transceiver
•
Integrated CDMA or GPRS RF modem
•
Integrated NTCIP 1209 Protocol Converter
•
Integrated TCP/IP Ethernet Interface
•
16-zone contact closures
•
Integrated Video Camera
Power options
• 115V AC
For battery-operated systems RTMS the following may be activated on request:
•
Power Management Option
Allows operating the RTMS in programmable cycles, to conserve battery power. The maximum
standby period during, which RTMS draws negligible power, is 254 minutes i.e. 4 hours, 14 minutes.
•
Low Voltage Disconnect Option
Protects the battery against damaging deep discharge if the voltage falls below 11.5 V.
Recommended in applications where the battery charging equipment does not offer such protection.
Factory options are indicated by labels on the bottom of the unit.
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
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RTMS INSTALLATION – SIDE FIRED CONFIGURATION
Mounting and Aiming
The distance between the close edge of the first lane of traffic to be monitored and the front of the
structure on which the RTMS is mounted is referred to as set-back; it is the most important parameter in
the setup and installation of an RTMS. Generally the more set-back that can be obtained, the easier the
calibration will be.
Use the diagram in Figure 2 to determine the setback required to monitor a given number of lanes. Once
the set-back is set, the associated height can be determined. Height is with reference to the road surface
of the detection area; not the bottom of the mounting pole.
Example:
For 5 lanes the minimum set-back should be 12 feet [3.7m].
A set-back of 12 feet [3.7m], requires a height of 17 feet [5.2m].
Note: It is better to be 20 feet [6 m] further back from the minimum than 2 inches [5 cm]
closer than the minimum. If ground conditions allow, move the RTMS further back.
The mounting height is based on the setback. Height is selected to allow the RTMS to be aimed so that
it gets maximum return signal while covering all required lanes. Mounting an RTMS at a height different
from the recommended height will not improve accuracy.
Equivalent lanes include median strips, as an example, an eight lane road with a two lane wide median
strip has 10 equivalent lanes.
•
Boresight
line
Figure 1 – RTMS Aiming
•
Attach the RTMS to the roadside pole using bolts or stainless steel banding.
•
Aim the RTMS as indicated on the diagram above. A 7/16” wrench is required to release/tighten
the ball-joint bolt.
- Secure the RTMS to the mounting bracket by inserting the lynch pin
- Adjust the RTMS to be perpendicular to the travel lanes.
- Look from behind the unit and use the top aiming fin to tilt so that the top of the RTMS is aimed
to the first 1/3 of the monitored lanes.
- Keep the RTMS level, side to side.
- Lock the aim by tightening the ball-joint bolt.
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Setback/Height diagrams
Figure 2 - Set-back Distance Chart
Equivalent lane calculation is measured from edge of first lane of detection to outside edge of the last
lane of detection and dividing this number by the average lane width. 12 feet is considered typical lane
width.
Example: total detection area = 120 feet; lane = 12 feet; 120/12 = 10 equivalent lanes
Figure 3 – Mounting Height Chart
If more room is available increase the setback as much as possible; then obtain the proper mounting
height based upon actual set-back distance.
EIS Electronic Integrated Systems Inc.
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CABLING
Surge suppression
Although the RTMS has built-in surge suppression, it is strongly recommended that external surge
suppression be installed with every detector. In situations where long cable runs are utilized, the
communication and power lines of the RTMS should be equipped with external surge protecting devices
on the same pole as the detector. The suppression devices should be located close to the sensor; e.g.
in a cabling cabinets mounted on the pole below the RTMS. See Appendix 1 for further details on
installing surge suppression.
The RTMS Cable
RTMS units use a single 32-pin MS connector for power and communications. The RTMS ships with all
required connectors, crimp pins and back-shells.
The RTMS cable should be made from 20 or 22 gauge stranded wire arranged in pairs. Cables that will
be exposed to outdoor conditions should be UV shielded. The number of pairs required depends on the
communication options chosen:
Table 1 – Cable pairs required
Communication Options
# of Pairs
Standard RS232 or RS485 plus power
Standard RS232 plus power and Internal RF modem option
TCP/IP and RS232 or RS485, plus power
Zone contact option can be added to any of the above
1 per zone (max 8)
A cable such as the Belden number 95xx (xx indicates number of pairs, i.e. 9516 is a 6-pair cable) or
similar should be used.
In preparing a cable note the following:
•
The crimp pins are designed for stranded wire. Do not use cable employing solid wires.
•
EIS suggests the Daniels Manufacturing Corporation crimping tool M22520/1-01 AF8 with head
no. M22520/1-02 or equivalent. Do not solder crimp pins!
•
Thread cable through the backshell before inserting pins into shell.
•
Use the insertion tool (red) to insert wires with crimped pin into shell.
•
Use the extraction tool (white) to remove a crimped wire to correct an error.
• It is recommended to use a cable with at least one spare pairs of wires for future growth.
Consideration needs to be made with regards to placement of an access point within view of the
monitored lanes, as an example, an access panel or cabinet on the pole. This allows verification of the
sensors calibration to be easily be done by seeing the RTMS data together with the actual roadway data.
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MS Connector pin-out
Table 3 – MS Connector Pin Outs
Pin #
Function
Pin #
Function
A, B
Zone #1
U, W
Serial Port Signal Ground
C, D
Zone #2
RS-485 Tx + or Ethernet Rx + or RTS
E, F
Zone #3
RS-485 Rx + or Ethernet Rx – or CTS
G, H
Zone #4
Unused
J, K
Zone #5
USB D+
L, M
Zone #6
USB VBUS
N, P
Zone #7
USB D-
Zone #8
Ethernet Tx +
Zone #8
Ethernet Tx -
Serial Port Input to RTMS
RS-232 Rx or RS-485 Rx -
f, g
Low Voltage power 12-24V AC or DC
Serial Port Output from RTMS
RS-232 Tx or RS-485 Tx -
h, j
115V AC power
Figure 4 – MS Connector
Note: Pin labeling above is guideline only – verify pin location on actual connector before inserting wire
WARNING – The RTMS unit can be configured for a variety of communication
options. It is important to know which options are included with your unit
prior to preparing cables. MS connector pins cannot be shared.
Take note of the individual wiring instructions provided in this manual.
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
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Standard RS-232 Port Wiring
The standard RTMS RS-232 port wiring consists of Transmit (Tx), Receive (Rx) and Ground lines wired
to MS pins V, T and U/W respectively. The use of a female connector and wiring shown allows the use
of standard serial cable for direct connection to the PC for setup purposes. Rear views of connectors are
shown to assist in cable preparation. The RTMS is configured as a DCE device. Figure 5 outlines the
cabling requirement.
Figure 5 – RS-232 Wiring Diagram
The RS-485 Port
Over short distances the wiring diagram shown below is compatible with an RS-232 port. There is no
standard pin configuration for RS-485 on a DB9 connector. The wiring diagram shown will connect
directly to a RS-232 configured DB9 without the need for a RS-232/RS-485 converter.
A demarcation point is recommended to allow the RTMS to be disconnected from the transmission line
without disruption of communications with other sensors on the line. See Connecting RTMS to
Communication Systems for details.
Figure 6 - RS-485 Wiring Diagram
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The TCP/IP Port with RS-232
CAT5 cable must be used for lengths between 30 ft [10m] and 330 ft [100m]. Lengths greater than 330
feet are not supported for Ethernet communication.
It is recommended that both TCP/IP and RS-232 ports be brought out to their respective connectors, as
shown. Only one port may be in use at a time. The RS-232 port is useful for setup and maintenance
purposes.
Figure 7 - TCP/IP Wiring Diagram
Note: There are no extra cabling requirements when Internal Memory is installed with a unit
communicating over TCP/IP.
The TCP/IP port with RS-485
Figure 8 - TCP/IP with RS-485 Wiring Diagram
EIS Electronic Integrated Systems Inc.
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Connecting RTMS to Remote Systems
RTMS may be connected to a remote traffic data collection system over private telephone lines using
modems.
Multiple RTMS units connecting to remote systems, including EIS Cluster or NEWS systems must be
placed in their Polled mode and will require the use of modems.
Modem Cables
A cable connecting the RTMS RS-232 port to the modem’s RS-232 port must provide the following:
•
male connectors at both ends
• provide the functions listed below
A modem’s RS-232 ports will usually employ DB9 or DB25 connectors.
Table 4 – Modem Cabling
Function
From RTMS DB9
To Modem
DB9
Transpose Tx and Rx
Connect Ground
CTS to RTMS (Internal storage only)
Modem side control line looping
CTS to RTS (Standard RTMS)
DCD to RTS (Internal storage option)
DSR to DTR
Standard RTMS
RTMS side
Modem side
DB-9 Male
Rear View
Pin 2
Pin 3
Pin 5
Pin 7
Pin 3
Pin 2
Pin 5
Pin 8
RTMS side
Modem side
DB-9 Male
Rear View
Pin 2
Pin 3
Pin 7
Pin 5
Pin 8 to Pin 7
Pin 5 to Pin 4
Pin 1 to Pin 7
Pin 8 to Pin 4
Pin 6 to Pin 4
Pin 6 to Pin 20
RTMS with Internal Data Storage Option
DB-9 Male
Rear View
DB25
DB-9 Male
Rear View
DB-25 Male
Rear View
DB-9 Male
Rear View
DB-25 Male
Rear View
DB-9 Male
Rear View
14
20
14
20
25
25
13
13
Figure 9 – RTMS to Modem connections
EIS Electronic Integrated Systems Inc.
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Modem Sharing
RTMS units located in close proximity may connect to a single modem. A modem sharing cable will have
“Y”- construction and will consist of one DB-9M connector per RTMS and one DB-9M or DB-25M
connector at the modem, as shown below:
Modem side strapping provides required flow control functions, not provided by the standard RTMS RS232 port.
Connection Function
From RTMS
DB9M
Pins 2
Pins 3
DB9M
Pin 3
Pin 2
Pins 5
Pin 5
Pin 7
Strap RTS to CTS
Pin 7 to Pin 8
Pin 4 to Pin 5
Strap DTR to DSR
Pin 4 to Pin 6
Pin 6 to Pin 20
Connect a 4.7KΩ resistor from Tx to ground to
prevent noise
Pin 3 to Pin 5
Pin 2 to Pin 7
Transpose Tx and Rx
Connect Signal Ground
To modem
DB25M
Pin 2
Pin 3
Modem side strapping
Figure 10 – Modem sharing Y cables
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RS-485 Multidrop
The RS-485 Serial Port option may be employed for distances up to 4000 feet (1200m). The maximum
number of units per channel is 32.
The diagram below shows the use of a 4-Wire line. The use of a half-duplex 2-Wire line is feasible but it
is suitable for data collection only. Consult RS-485/422 Application Guides for details on wiring solutions
for your project.
Figure 11 - RS-485 Multi-drop wiring
Notes:
1. The DB9 connectors and terminal blocks serve as a demarcation point, which allows unplugging the
RTMS from the transmission line for direct connection to the laptop’s COM port for setup.
2. Terminating resistors (100-120 ohms) are required at the extreme ends of the Receive and Transmit
transmission pairs.
3. Transmit and receive pairs must be transposed when connecting to a DTE (PC, Data processing
System). To interface with a PC a RS-485/232 converter may be required as PCs typically do not
have RS-485 interfaces
4. RS-485/232 converter connector type and pin assignment are not shown as these are not
standardized and vary between models.
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SETUP OF THE RTMS
Once installed, RTMS sensors must be calibrated using the RTMS Setup Utility program running on a
Microsoft Windows based PC. The PC will require a USB, serial or Ethernet port to communicate with
the RTMS.
The RTMS Setup Utility (WinRtms)
The WinRTMS is supplied as a self installing program “WinRTMSInst.exe”. The installer will create a
folder in C:Program Files\EIS\WinRTMSV#’ with the WinRTMS.exe executable program, auxiliary files
and a shortcut on the desktop.
The WinRTMS program has two operating modes, Direct and Multidrop. In Direct mode it
communicates with a single RTMS. Multidrop mode is used to communicate with multiple RTMS on a
single communications channel.
The WinRTMS buttons and menus may be operated by any of the three methods listed below. The terms
select/click will be used throughout this manual to describe any of these methods
•
by mouse
•
by up/down/left/right keys followed by ENTER
•
by keyboard shortcut (keying the underlined letter)
Getting Started
DO NOT connect the RTMS to the COM port before the PC has been powered and
Windows is running! Windows may disable the COM port if it detects activity during
the boot process.
•
•
With the RTMS sensor powered and connected to the
PC, click the WinRtms.exe icon to launch the RTMS
Setup Utility program.
While reading the RTMS’ parameters, WinRTMS
displays the READING RTMS SETUP information window. If
unable to establish communications within a timeout
period; dialog boxes suggesting corrective action will be
displayed.
•
Select YES to send corrective commands to the RTMS
and re-attempt reading its setup.
If communication is still not established, a default main window will be displayed with “Serial
Communication Error!”. Possible reasons are:
•
RTMS is not powered
•
No connection to the PC’s COM Port (e.g.
cable not plugged in or is faulty, etc)
•
Wrong COM port selected
•
Communication of RTMS is IP
•
Tx & Rx lines are crossed
•
COM port is being used by another
program
See the Troubleshooting Guide for additional suggestions on diagnosis.
If the default COM1 port is used by another application, the information window on the right will be
displayed. If the WinRTMS program has been set to Multi-drop mode, the window with the sensor ID
range will be displayed.
•
In either case, click OK to display the default window
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Changing RTMS Setup Utility COM Port and Mode
Figure 12 - Changing RTMS Communication
Changing WinRTMS Mode
•
Select TOOLS
•
Select Direct or Multi Drop, as applicable
•
Click OK
Selecting a different COM Port
•
Select TOOLS and PC COMM
•
Select a different COM Port in the COMMUNICATION PROTOCOL SETUP window
• Click OK
Once communication with the RTMS is established and the sensor has responded to the READ
command, the current RTMS settings are displayed in the menu button column and the COMM indicator
at the bottom right of the window flashes. The RTMS is now ready to be calibrated.
Changing Serial Port Speed
Default communication speed is 9600 bits per second (bps) for serial units, and 19200 bps for Ethernet
based units (internal serial to IP connection); other speeds can be selected from the drop down menu if
required. RTMS with internal DSS radios have the communications rate fixed at 115200 bps.
•
Open TOOLS - PCCOMM - COMMUNICATION PROTOCOL SETUP window
•
Select another speed from the pull-down menu
• Click SEND IT TO RTMS
Data rates below 9600 are useful where high quality transmission lines are not available. They are
however, unsuitable for setup and must be selected after setup has been completed. When using data
rates below 9600 bps, the RTMS data mode must be set to STAT to reduce the amount of data and
prevent communication problems. See DATA MODE for further details.
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Setting DSS Parameters (if equipped)
RTMS DSS units are set to communicate at 115200 bps; the speed is not selectable. DSS units will
display a DSS box at the bottom right of the WinRTMS window; this box will display green if a connection
is present with the master radio, if no connection is available, the box will display red. A DSS button also
appears in the Communication Protocol Setup Window.
RTMS DSS units are shipped with all of the basic radio parameters set to 1, unless other arrangements
have been made with EIS. These parameters must be changed to match those of the master radio
modem that the units will be communicating with.
Proceed as follows:
•
Select TOOLS then PC COMM
• Click DSS Modem button.
The Digital Spread Spectrum Modem Setup window
will open.
• Ensure that the settings are as follows:
Additional
Fields
Mode = Slave
For simple line of sight
communication
or
Mode = Repeater
Where the RTMS DSS
relays data from other
DSS modems and acts as
a master for these
modems.
Roaming =Always on.
This feature allows slaves or repeaters to locate a master by the network
address and encryption key and adopt its primary hopping pattern.
•
Enter the Master’s Network, Address, and Encryption codes.
•
Enter Unit Address: This parameter must be unique for each slave.
It is mandatory to make Unit Address = RTMS Sensor ID.
•
Output Power Level – is determined based upon the Radio Site Survey. Strength of signal is
important to ensure data quality. If power setting is too high it may interfere with other radio
systems in the area, if it is too low the data messages may be missed.
•
Enter the additional parameters if the DSS is set as a repeater.
•
Click LOAD to send displayed settings to the RTMS.
• Click OK to exit without change.
The DSS box will turn green when communication with a master modem is established.
The master DSS communicating with the RTMS slave or repeater must be of the same type and
frequency band. All units supplied on the same order will be of the same type and frequency. Refer to
the manufacturers’ documentation and instructions for setup of the master DSS parameters.
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IP Address (if equipped)
For ease of setup/maintenance, it is suggested to wire of the RS-232 interface as recommended in
Section 4 – RTMS Cable-TCP/IP. WinRTMS may be used to communicate with an RTMS via the
Internet to view/change its setup. Proceed as follows:
•
Select Tools/PC Comm/Communication Protocol Setup
•
Click TCP/IP
•
Enter the RTMS IP address in Remote Host box
•
Set Protocol = TCP, Local Port=2000 and Remote Port=2000.
•
Click OK to close the window
The WinRTMS stores the entered IP address in its internal files, ready to establish a link with the stored
IP address on subsequent opening. To access another RTMS, repeat the above process and enter a
new IP address.
The internal RTMS IP server is programmed with a default TCP/IP address of 128.100.101.254. Use the
procedure below to change it to the required address.
Default IP address is 128.100.101.254
Preparing the PC
Configure the PC for static IP operation in the following steps (assumes Windows XP Operating System)
•
Access the Control Panel. Open Network Connections.
•
Right-click Local Area Connections and open Properties.
•
From the list of installed network components select and open Internet Protocol (TCP/IP).
•
Click Properties and select Use Following IP Address.
•
Enter 128.100.101.1 and Subnet = 255.255.0.0. Click OK and Close.
Programming the RTMS IP address
•
Connect RTMS to the PC. The PC’s Network Port Link and Activity indicator lights should light.
Use a crossover cable if communication was not established
•
Open the supplied EG-SR-7100A Configuration Tool program
• With the Network tab open, click Search.
After communication with the internal EG-SR-7100A Gateway Module is established, the program will
display the MAC address of the unit in the Board list area and the default settings of the board.
•
Local IP
= 128.100.101.254
•
Port
= 2000
•
Subnet
= 0.0.0.0
•
Gateway
= blank
•
Server IP & Port = blank
•
Network Mode
•
Enable DHCP mode = disabled
•
Use UDP mode
•
Direct IP search = disabled
= Server Mode
= disabled
•
Enter new IP address
•
Edit Port #, and subnet, if applicable
•
Leave all other areas unedited
•
Click Setting to save and Exit to close program
WARNING:
DO NOT open and make changes to settings under the Serial tab
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Detection Zone setup
The RTMS Setup Utility shows the position of vehicles by the red target “blips” against the distance scale
Detection zone
with target blip
Target blip outside
of Detection zone
The “Wizard” icon
Figure 13 - RTMS Setup Utility main screen
Up to 8 detection zones may be defined by positioning the rectangular zone icons where the target blips
are seen. The zone’s contact closure circuit is closed while vehicles are present in the detection zones.
Automated Detection Zone Setup (Wizard)
The automated zone setup process requires free flowing traffic in all lanes of interest. It scans the range
of the RTMS microwave beam and positions up to 8 detection zones where vehicles are detected. The
process differentiates between vehicles and barriers.
Proceed as follows:
•
Verify that target blips are observed in all
lanes of interest. Adjust aiming if necessary.
•
Click the Wizard icon.
•
Select the RTMS operating mode
The Wizard will proceed to set sensitivity; and
position detection zones where vehicles are
detected.
The process will assign consecutive zone numbers
with Zone 1 closest to the sensor. The resulting
zone setup is presented for approval.
•
Click SKIP if allocated zones are acceptable
and no changes are required.
• Click OK if changes are required, e.g. to select fewer zones, exclude ramps, etc.
After selecting the required lanes, the Wizard will continue the automatic setup with Fine Tune
adjustments and a final Zone Setup unless terminated by clicking Quit. On completion, control will return
to the main window.
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Manual Zone Setup - Side-Fired
•
Select ZONES; the NUMBER OF ZONES window will open.
•
Use up/down keys or the window arrows to select
the number of zones required.
•
Click AUTO to initiate automated location of
selected number of zones,
or
•
Click OK or press
will open.
•
Type the zone number. It will be highlighted and
its icon (rectangle) on the main window will flash.
•
Use left/right keys or on-screen position arrows to
move the flashing zone to the desired position.
Repeat process for each of the zones configured.
•
Exit ZONES SETUP when finished.
ENTER;
the
ZONES SETUP
window
Fine Tune Adjustment
“Splashing” is defined as a single vehicle that shows more than one target blip in adjacent detection
zones. This can occur when the zones’ positions do not line up with the lanes.
To reduce splashing the FINE TUNE control is used to obtain a better position of the detection zones with
respect to the lanes.
The FINE TUNE window includes the AUTO button, which activates the automated procedure.
•
Select fine tune.
•
Select AUTO or use the manual procedure, described below.
•
The AUTO feature will fine tune the zones selected. Active traffic needs to
be in all lanes to ensure proper operation. Auto must be used with free flow
traffic; not in congested conditions.
Manual Fine Tuning
•
For manual Fine Tune setup, start with a setting of “0”.
Observe the incidence of splashes and determine whether the Fine Tune
number should be increased or decreased. To reduce splashing into a closer
zone, increase the Fine Tune number; in a farther zone, decrease the Fine Tune.
• Use the arrows in the window or the up/down arrow keys.
A change in Fine tune setting needs a few seconds to take effect and the display will turn gray while it is
being processed.
Detection Zone Size
In some applications it may be useful to define detection zones that are wider than the default size. The
contact closure output will close if a vehicle is present anywhere in the enlarged zone. To define a larger
detection zone, do the following:
•
Open the ZONE SETUP window.
•
Highlight a zone.
•
Use up/down keys or on-screen size arrows to increase/decrease its size.
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Count Verification
To verify the zone setup, compare RTMS volume measurements over a period of time to a manual count
for the same interval. Use of a hand-held tally counter is recommended.
The WinRTMS program’s Count Verification procedure
is an aid for comparing RTMS counts in each detection
zone to observer’s counts over the same interval.
Perform the following steps:
•
Select PERIOD and set it to 30 seconds.
•
Select VERIFY button.
The RTMS COUNT
VERIFICATION window opens.
•
Tap the Space bar. A checkmark will appear in
the CLEAR TOTAL COUNTERS box. Get ready
to start counting.
At the end of the current message period the window
background blinks, the PC beeps and the RTMS count
line is cleared, signaling the precise time to start the
count.
•
Select a lane and count vehicles as they cross the
RTMS beam. Several observers may be enlisted
in the process, each counting traffic in one lane.
The RTMS COUNT for each zone will be updated at the end of each message period. Continue
counting until each lane has a count of at least 50 vehicles; this will usually take several message
periods. Stop counting at the end of the next message period.
• Tap the space bar.
The STOP COUNTING box will replace the Clear Counters box and the RTMS Count will be frozen.
•
Highlight a Manual count box and enter the manual count for the zone in the corresponding box.
For the Forward-looking mode count verification is applicable to zone 1 only.
The difference between the RTMS and the manual counts in absolute and percent deviation terms is
displayed. Deviation of more than 5% requires zone setup correction to improve detection accuracy. The
verification process should then be repeated.
•
To repeat the process, tap the space bar until the window displays the CLEAR TOTAL
COUNTERS box
•
To save the results of verification in a text file select SAVE. Use normal Windows procedures to
name and save the file using the Save As dialog box
•
To exit to the main screen, select OK
Speed Calibration
The speed calibration process sets the internal speed coefficients used to calculate the average speed of
traffic in each zone. The calibration procedure used depends on traffic conditions.
•
Automatic Speed Calibration is intended for use with high-volume traffic, flowing at stable
speeds. It requires per-lane reference speeds, which may be estimated or measured (e.g. by a
radar gun) and setting the number of calibration cycles (message periods). A minimum of 5 cycles
is recommended. The speed coefficients will not update if there are less than 8 vehicles detected
per message period. Increase the message period if the number of vehicles is less than 8 vehicles
per period.
•
Manual Speed Calibration is intended for very low-volume traffic (e.g. volume less than 5 per
minute).
Here the coefficients are directly changed to bring the calculated speed closer to the estimated
speed.
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When setting up relocated units in their new locations, all speed coefficients should be first reset
to their default values using the Manual Speed Calibration window.
Side-fired Automatic Speed Calibration
•
Select SPEED CALIB to open the window.
•
Use the left/right keys to highlight the Speed references for
each zone, Number of calibration cycles or the Quit button.
•
Use up/down keys to set the desired reference speed in the
highlighted zone box. Enter “X” to exclude zone from the
calibration process.
•
Enter the number of calibration cycles by using the up arrow
key to increase it in multiples of 5. CALIBRATION IN
PROGRESS will flash.
At the end of each message period, the WinRTMS adjusts the
coefficients values of all active zones to converge the measured speeds to the reference speeds.
•
To verify that the Automatic Speed Calibration was successful for all lanes, review the speed data
over multiple message periods to see if the average reported speed is within 10% of actual.
•
If the difference is more than 10% a manual adjustment should be made. See Manual Speed
Calibration below.
•
Select Quit to exit.
Side-fired Manual Speed Calibration
•
Select SPEED CALIB button and tap the space bar to open
the Manual Speed Calibration window. Zone boxes will show
the current coefficients. Select Restore Default Values to
restore defaults, if required.
•
Compare the displayed speed measurement to your estimated
average speed in each lane.
•
Use left/right keys to select zone and up/down keys to adjust coefficients proportionately to the
required change; as an example, if speed readings are 10% too low, increase that lane’s
coefficient value by 10%, if 10% too high then decrease by same percentage.
•
Select Load speed coeffs to update all RTMS coefficients to the displayed values. Observe the
effect on average speed measurements displayed on the screen.
•
Select Quit to exit
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RTMS Operating Modes - Details
•
Select MODE. The RTMS MODE SETUP window will be displayed.
•
Choose the required mode for your application. See description
below.
Re-selecting a Mode of Operation will reset the Threshold and EDT to
default settings.
MODE
Default settings
Refer to Advanced
Parameters for changes
to settings
Application
Threshold
EDT
Sidefired
Highway
For use in highway and counting applications. Not
for use at intersections.
The sensor detects presence and generates traffic
data in up to 8 zones.
Normal
200ms
Intersection
For use in stop-bar detection
The sensors detect presence in multiple zones.
Traffic data is not generated.
Low
1000ms
Mid.
Intersection
For use in mid-block applications. Similar to
Sidefired Highway mode; this mode is optimized for
detection in urban settings.
Medium
200ms
Forward
Hwy
Look
For applications demanding high accuracy speed
measurements.
Zones 1, 2 and 3 are set as a speed trap for
accurate speed measurements.
Per vehicle Doppler-based speed measurement is
made when speeds exceed 15Km/h (10MPH).
Volume counts in up to 7 speed-bins are available.
Normal
200ms
Alarm Forward
Look
Adds programmable speed threshold and closes
contact #8 for 20ms when a vehicle exceeds that
threshold.
Intended for use in speed enforcement and warning
applications. Window for setup of threshold is
displayed when this mode is selected.
Normal
200ms
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RTMS STATISTICAL TRAFFIC DATA
Side-Fired, Mid-Intersection and the two Forward looking modes generate statistical traffic data collected
over the selected “Message Period”. The data is displayed in the upper right area of the RTMS Setup
Utility main window and transmitted over the data port. The measurements consist of:
•
Total Volume
•
Occupancy - available as integer (default) or one decimal place resolution
•
Average Speed
•
Volume in Length Classes - applies to the Side-Fired mode only. Up to 6 length classes are
available. Headway measurement may be requested to replace the Long Vehicle 1 measurement.
•
Per vehicle speed
• Speed Bins - applicable to Forward Looking Mode only
Transmitted data consists of a base set of 4 messages, Long Vehicle Volume, Volume, Occupancy and
Speed; plus any additional data selected for transmission.
The standard message in Hex file format as transmitted by the RTMS is:
FF1B090000000100000000FDFE
FF10090303080B00000000061F
FF110902020506000000000110
FF120B4E6D6B80F0F0F0F000F03086
Information on the RTMS protocol is available on request from EIS.
Message Period
Message period is the time interval on which traffic data is reported. Message periods are selectable in
10 second increments. Firmware version 6.8 and higher has a message period range from 10 to 900
seconds. Earlier firmware versions have a range from 10 to 600 seconds.
Use 30 second message periods for setup functions. A 300 second
message period is suggested for counting applications.
Real-time
applications will generally use message periods that are one minute or less.
•
Select PERIOD. Use the up/down keys or arrows to set the required
value.
•
Click OK, or press ENTER. The new period will start after a delay of
three seconds and message numbering will be reset to 0.
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Vehicle Classification
Setting the RTMS for vehicle classification (side-fired mode only) is a two stage process:
1. Defining the number of classes.
2. Defining the class boundaries.
Setting the number of vehicle classes
•
Select DATA mode then Message
composition.
The Statistical message setup window will
open.
•
Select 2, 4 or 6 classes
2 Classes (default) provides the reporting of long
vehicle volumes only.
Transmitted data will consist of 4 messages: (long
vehicle volume, volume, occupancy and speed).
4 Classes adds Mid and XLong messages
6 Classes adds Mid2 and Long2 messages
•
After completing selections in this window, open the
ADVANCED menu, select CLASSIFICATION and
define the classes selected.
The length of cars is pre-set, only vehicles longer than cars can have
lengths defined. Only the length classifications that were chosen
in the classification menu will show on this screen.
For best results, ensure that length differences are greater than 3m
[10 feet] between size classifications. The closer the separation the
greater the potential “merging” of classes.
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Class Measurements Display
The display of volumes in defined vehicle classes is available by clicking the CLASS button. This opens
the Volume and Classification window, shown below.
Figure 14 - RTMS Utility Verification Screen
The CLEAR ON NEXT MESSAGE, ACCUMULATE and STOP boxes are provided as aids to verify the vehicle
counts in configured classes, similar to the volume count verification procedure.
•
Click CLEAR ON NEXT MESSAGE to clear all counts
•
Click ACCUMULATE to start accumulation of counts over several message periods
•
Click STOP at the end of a message period after sufficient numbers of vehicles have accumulated.
•
Compare manual counts to the RTMS counts.
•
Modify class length limits to achieve best correspondence to desired vehicle classification (see
Advanced Parameters/Classification in the next section).
•
Use the Side-fired Highway Per Vehicle Reporting real time display (shown below) to verify that
Class limits provide required discrimination between vehicle types.
Per Vehicle Speed Display
The per vehicle speed selection box is located below the statistical data area.
When selected, an additional window will open
showing the speed of each vehicle and its class.
The display is highlighted in red while a vehicle
transits the detection zone. The data is displayed
until overwritten with the data from the next
vehicle.
The RTMS will send this data over its
communication port in real-time along with the
Statistical Data at the end of each message period.
In forward looking mode the Per Vehicle Speed is displayed in the main window.
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Advanced Parameters
•
Select ADVANCED to display the menu of RTMS parameters
described below.
The number of displayed functions depends on the RTMS model and
firmware version. The window shown at right is for RTMS X3/K3
models. Parameters are set or edited as follows:
•
Select the desired parameter and follow instructions below for that
parameter.
Parameter
Description
Extension Delay window; allows the user to change the default value.
Detection Threshold
Km/h – MPH
Long Veh./Headway
•
Highlight the EDT value (Click or use left/right keys).
•
Overwrite or use up/down keys to change value.
•
This parameter should not need to be changed from its default value.
Allows the user to change the default value. Lowering thresholds effectively
increases the sensitivity. Changes made will take up to 5 seconds to take
effect.
•
Select Normal, Medium or Low and return to main window.
•
Select OK to return to main window without changes.
•
This parameter should not need to be changed from it’s default value.
The speed data reported by the RTMS is always in km/h. If MPH is selected,
the WinRTMS program will report the speed from in MPH. Current setting is
shown in the Traffic data area.
•
Select required units.
•
Select OK to return to main window without changes.
This parameter applies to the Sidefired Highway Mode only. Headway is the
average time/gap between vehicles measured in units of 0.1seconds.
•
Select either Long Vehicles, or Headway, as required, and return to
main window.
•
Select OK to exit without changes.
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Parameter
Description
Speed bins
See Additional Forward Looking Measurements Definitions
Power Management
Page 24
•
Use LEFT/RIGHT keys or click to highlight a bin.
•
Use UP/DOWN keys to set the bin’s upper speed limit.
•
The upper limit setting of a bin automatically defines the lower limit of
the next bin. To reset previous settings, reduce each bin to minimum
and set to desired level.
•
Key ENTER or click OK to
confirm when all required
values are displayed and
return to main window.
Allows RTMS powered by batteries to be operated in cycles to conserve
battery power. This is a factory option.
Two parameters are defined:
• Number of cycles on (Message Periods, range 1-254)
Defines the number of Message periods the sensor operates. It will go into
standby 1-second after the last period. Time on depends on the length of the
Message Period. Set the above as desired.
Set either or both to 0 or 255 to turn Power Management off.
• Standby in minutes (Range 1 to 254).
Defines the number of minutes the sensor is in standby and draws minimal
power. Maximum time off is 4 hours 14 minutes.
•
Classification
Click OK or press Enter to accept settings as displayed and return to
main window.
Allows the user to set the lower limit for classes other than “Regular”. The
number of classes displayed is selected in the Statistical Message Setup
window (opened via Data/Normal/Message Composition).
Shown is the window displayed when 6 classes are selected (firmware 6.8
and up).
Displayed units (feet/meters) correspond to the km/h – MPH
setting.
•
Use LEFT/RIGHT keys to highlight a class.
•
Use UP/DOWN keys to adjust its lower length limit.
•
Click OK or press Enter to accept settings as displayed and return to
main window.
Note 1: For RTMS with firmware below 6.8, classes are defined in terms of a
vehicle length multiplier rather than length.
Note 2: Long 1 measurement will not be available if headway is selected
(see above) or if the message period is greater than 300 seconds.
Real Time Clock Change
The RTMS’ Real Time Clock may require adjustment for any of the following:
•
To correct RTMS clock due to time zone change.
•
To perform seasonal changeover between Standard and Daylight Saving Time.
• To correct accumulated drift between RTMS clock and the traffic management centre’s clock.
The WinRTMS will copy the PC’s clock setting to the RTMS on selecting LOAD RTMS. Ensure the PC’s
clock is correct before connecting to an RTMS.
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Data Recording
WinRTMS can record RTMS data to a text file on the PC’s disk.
•
To initiate data recording select File then Record Data to File. A Save As dialog box will open for
folder selection and file naming.
•
Select folder to store the file (default folder is the location of the WinRTMS program) and name it.
The suggested name should identify the RTMS and date of creation. The RECORDING DATA
window shows that recording is in progress.
• Click the STOP button to stop recording.
The data file will have extension .asc. The file will contain all parameters that have been selected Speed
units are identified in the header.
Eight columns are always generated. Volumes in unassigned zones is always report 0 and speeds will
always report “?”. The file also provides a voltage reading and a diagnostic indicator in every message.
Fig. 17 shows a sample file generated by RTMS with Rev 6.8 and 6 classes reporting.
Figure 15 – Sample RTMS data file
Note
The volume measurement represents total number of vehicles. Regular vehicle volumes
(cars), displayed in the Volume and Classification window are not shown in the asc files.
If the message period is greater than 300 seconds, the long vehicle message is replaced
with the most significant byte of the volume. The volume measurement under these
conditions is LONG VEH * 255 + Volume.
If per vehicle speed measurements are selected, this data is presented in the .asc file ahead of the
message period data.
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Storage and Downloading of Traffic data
RTMS K4 sensors are equipped with internal memory. To record data using the internal memory:
•
Ensure the Message Composition section has been
set. The ability to change the message composition is
disabled while data storage is ON.
•
Select FILE.
•
Select Internal Memory. This option is only displayed
when connected to an RTMS equipped with internal
memory.
• Click the Store messages in internal memory box.
The Internal data memory window displays the amount of
memory installed, memory used; and time left based on the
selected message period and message composition. The
DATA button on the main display will show an asterisk (*) next
to the mode to indicate that data is being store in the internal
memory.
•
Click the REFRESH to update the MEMORY USED
display (to verify that data is being stored).
• Click OK to close the window.
To retrieve and clear stored data perform the following steps:
•
Open the Internal data memory window.
•
Click DOWNLOAD to start downloading.
•
Enter a file name and select a folder before the
download can start.
Downloads should be done at the highest connection speed
available. A full memory will take just over 12 minutes to
download at 115200 bps; 146 minutes at 9600 bps.
The lower left corner of the main window will display the amount of data left to download.
Clicking OK will close the Internal data memory window without affecting the download process. The
Recording data window will continue the display the progress of the download.
Clicking the STOP button will terminate the download before it is completed.
•
To erase stored memory, click CLEAR. A dialog box will be presented to confirm. Accept or reject
action, as appropriate.
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Data Modes
The DATA button is used to select how the RTMS communicates with the communications channel.
The different modes determine what data is transmitted and when.
The Normal mode is used to set up the RTMS. In normal mode,
the sensor is in constant communication with the WinRTMS
program. Data transmitted by RTMS includes:
•
Target messages every 100 mSec. This message contains
the data used to create the target blips displayed on the
screen.
•
Per vehicle speed, if selected.
• Statistical data at the end of each message period.
The Message Composition button displays the Statistical
Message Setup window.
Other data modes provide the following:
Stat
At the end of each Message Period the sensor transmits statistic traffic data.
Target messages are not transmitted; vehicle blips are not displayed on the screen
in this mode.
For use in applications where reduced number of messages is desired and polling
is not required. As examples, TCP/IP or Cellular Packet Data applications.
Polled
The RTMS transmits statistical traffic data for the last message period only on
receipt of a polling message with its ID number.
Polled mode is used to communicate with multiple RTMS on a single
communication channel that does not have collision detection; RS-232 and RS-485
are examples.
WinRTMS, in Multi-Drop mode, can poll, display and record traffic data from several
RTMS, connected on the same communications channel.
EUSC
This mode is used by the EUSC System for Traffic Management. This mode is only
used when an RTMS is connected to a system using this communication protocol.
Spider
This mode is used when the unit is connected to an EIS SPIDER controller. The
communications protocol is specific to this application. Select only if the RTMS will
be linked to a SPIDER controller.
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OPERATING WINRTMS IN MULTI-DROP MODE
The WinRTMS program, set to its multi drop mode, is used to verify the operation of RTMS sensors
operating in POLLED mode.
•
Open the program and wait for the main screen display.
•
Open the TOOLS menu, select Multi Drop and set the range of
RTMS IDs.
WinRTMS will transmit polling messages in sequence from lowest to
highest. RTMS sensors answering the poll will transmit their data and
WinRTMS will display it in the statistical traffic data area. The display will
be overwritten by new data. The data can be recorded as described in the
section on Data Recording.
Accessing a specific sensor in Multi-Drop Mode
WinRTMS has the ability to access a specific sensor in Multi-Drop mode to allow viewing and changing
the sensor’s setup. When this capability is in use, polling of other sensors is stopped. To access a
sensor proceed as follows:
•
Select the DATA.
•
Select NORMAL mode.
•
Specify the SENSOR ID number in the window using up/down keys
only.
• Select OK
The specified sensor’s data mode is now changed to Normal and WinRTMS communicates with that
unit, automatically reading its setup and displaying its parameters, target blips and statistical data. The
setup of the unit can now be changed as required.
•
To select another sensor for access, restore this RTMS to Polled mode and repeat above
sequence with the new Sensor’s ID.
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INSTALLATION AND ZONE SETUP - FORWARD LOOKING MODE
Forward-looking Mounting and Aiming
Sensors are mounted on a sign-bridge or overpass away from interfering structures as shown below.
The sensor can be aimed at approaching or receding traffic, aiming at receding traffic is preferable.
•
Mount the sensor above the center of the lane at a height between 5m [17 feet] and 6m [20 feet].
•
Point it parallel to the monitored lane.
•
Mount it level side to side.
•
Looking from behind the unit, aim it to a point about 10m [33 feet] from the sensor. This will ensure
a sufficiently long footprint but restrict its width to a single lane.
•
Forward-looking RTMS may be mounted on a roadside pole, if the offset (distance from sensor to
lane centerline) is less than 3m (10 feet). Extension arms can be used to reduce offset.
Figure 16 - Forward Looking mounting options
Figure 17 – Queue Detection
RTMS can be set up in forward looking mode when serving off-ramp or T-intersection queue
applications. In such applications, the RTMS is aimed farther than in the traffic monitoring highway
applications. One or more detection zones are defined to span the required distance (within the range
limit of the RTMS). The width of the microwave beam may cover two lanes; the sensor cannot
discriminate between lanes.
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Zone Setup – Forward-looking Mode
When forward looking mode is selected, WinRTMS will present a window for
setting the height and offset parameters.
•
Use left/right keys to highlight a parameter and up/down keys to enter the
value. Press Enter or click OK to accept the displayed parameters. The
length units will be decimeters or feet depending on the units used for
reporting speeds.
•
See Km/h-MPH in the Advanced menu for changing between metric and
imperial units.
Automatic setup
•
Initiate the automated zone setup either by clicking the Wizard icon or AUTO button on the Zone
Setup window.
The Wizard will determine the best location for the 3-zone speed trap. If it cannot find a good speed trap
due to incorrect RTMS aiming, low volume or other causes, it will display warnings.
Manual Zone Setup
•
Set the number of zones to 8 and position all zones in sequence with the first zone at
approximately 8 meters from the sensor (farther if the sensor is higher than 5M).
Observe approaching (or receding) vehicles in the lane as "waves" of blips and adjust the tilt and sway
angles so that blip waves from small vehicles go through at least 5 of the 8 zones and so that vehicles in
adjacent lanes do not show blips in the zones. Detection of vehicles from an adjacent lane indicates that
the sensor is angled in that direction or aimed too high.
•
Set Fine Tune control to +5.
•
Observe approximately 50 vehicles. Find three consecutive zones, for which vehicle counts are in
close agreement with each other. The location of these three zones will form the speed-trap. Note
their position on the range scale and using ZONES, move zones numbers 1, 2 and 3 over these
three consecutive zone positions, then reduce the total number of zones to 3.
•
Only Zone #1 is used for volume and occupancy data. Zone #2 and #3 complete the speed trap
and help determine the direction of travel.
Forward-Looking Speed calibration
The RTMS provides Doppler speed measurements and does not need to be calibrated for this, only the
Speed Trap length for slow moving traffic needs to be calibrated.
Ensure that the main screen box Per Vehicle Speed is check-marked. Uncheck this box to suppress
reporting of per vehicle data, if desired, after completion of speed calibration.
In the Forward-Looking Highway mode, the RTMS uses the Doppler speed, as the reference speed to
calibrate the speed trap. Speed trap measurements are used when speeds are below 10 MPH [16 km/h]
where the Doppler measurement does not function.
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
Draft 1
Page 31
When SPEED CALIB is selected, a choice of automatic or manual calibration is presented:
•
Select the required mode of calibration.
•
Set the number of cycles for automatic calibration to 10.
•
In manual calibration, use left/right keys to highlight the
zone length box.
•
Use up/down keys to adjust the zone length in proportion
to the desired change i.e. increase if measured speed is
low.
•
The Doppler reference speed and percent deviation of the
average speed from the reference are updated at the end
of each message period.
•
For manual calibration - when deviation from the reference
speed is acceptable click LOAD.
•
Click OK to exit.
10
96
RTMS INSTALLATION FOR STOP BAR DETECTION
Locate poles at positions that allow aiming at
the stop bar while perpendicular to the traffic
lanes.
Mounting the RTMS sensors across the road
from the traffic lanes to be monitored widens
the footprint by increasing the set-back and
ensures no occlusion of left-turn lane.
When existing poles are not in optimal
position, use of extension arms is
recommended to bring the position of the
RTMS as close to optimal as possible.
Figure 18 – RTMS Intersection Installation
Intersection Controller Settings
Intersection Controllers can be set into one of two modes Lock and Delay. When the Controller is set
into the Delay mode, the delay setting must take into account the RTMS’ extension delay time (EDT)
setting (Default EDT = 1 sec, Maximum = 3 seconds). The actual controller delay will be the sum of the
two settings.
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
10
Draft 1
Page 32
RTMS TROUBLESHOOTING GUIDE
Field troubleshooting of the RTMS consists mainly of ensuring that the unit is powered and
communicating. Communication with the sensor in Normal mode is confirmed by presence of the RTMS
settings on the menu buttons (RTMS has received the Read Command and responded by sending the
parameters), and by the flashing of the indicator in the lower right corner of the screen, denoting data
transmission activity.
RTMS Self Test
The RTMS provides a diagnostic test of its internal functions. Select TOOLS and Self-Test in the
normal mode to run the self test.
The test checks internal functions and locates hardware faults. The "All tests complete System OK!"
message is displayed on the screen if no faults are found. The following is a list of Self-Test messages
describing a fault:
Power supply fault ....................................................................................................................
Modulator signal fault
Microwave module fault
Modulator memory fault
Program memory fault
DSP fault
Gain too low or ADC fault
Logic failure
No signal
Saturation signal level
The Self-Test will also close the zone contacts for one second each in sequence. Operation of the
contacts can then be verified using the controller display, ohm-meter or any other suitable device
showing continuity.
The table below outlines symptoms and suggested action in troubleshooting power and communication
problems:
Table 5
Suggested action
Symptoms
Possible causes
Timeout has expired and
the main window with
“Communication Error”
message is displayed.
Polling range window is
RTMS is not powered
•
Check that the supply voltage is
within limits at source and at the MS
connector. Voltage outside the limits
(too low or too high) will cause
power supply to shut down.
•
Cable problem
•
Check cable pin-out and continuity.
•
Hardware fault
•
•
PC
unable
to
communicate with the
RTMS due to H/W
problems
With power applied to the RTMS
and DB9F disconnected from PC,
check the RTMS serial Port by
measuring approx. 10V between
pins 2 and 5 of the DB9F RS-232
connector. If the voltage is not
present there could be a hardware
fault in the RTMS serial port or
power supply.
•
Check that PC’s serial port is
operational (10V present between
pins 3 and 5)
•
WinRTMS is in Multi-
•
Click OK on the polling range
•
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
displayed on
WinRTMS.
start
of
Draft 1
drop mode.
Page 33
window; RTMS Setup default screen
will be displayed.
•
Select TOOLS, Change to Direct
mode, if direct access to one RTMS
is desired.
•
RTMS is not in Normal
mode.
•
Ensure the unit is in the Normal
mode.
•
Unit is
properly.
•
•
Low Sensitivity.
Check sensitivity setting. See if
targets appear when sensitivity is
increased.
•
Internal
parameters
corrupted.
•
•
MW module fault.
Cycle power to unit and then edit
parameters (mode, sensitivity, zone
setup, etc).
•
Run Self-Test if above not
successful. Report findings to EIS.
•
RTMS is not in Normal
mode.
•
Ensure the unit is in the Normal
mode.
•
Unit is
properly.
•
•
Low Sensitivity.
Check sensitivity setting. See if
targets appear when sensitivity is
increased.
•
Internal
parameters
corrupted.
•
•
MW module fault.
Cycle power to unit and then edit
parameters (mode, sensitivity, zone
setup, etc).
•
Run Self-Test if above not
successful. Report findings to EIS.
•
RTMS transmits and
WinRTMS
displays
received
data
but
RTMS
has
not
received
the
WinRTMS
READ
command.
•
Check cable to ensure continuity
between MS connector pin T and
COM port’s pin 3.
The setup program is
unable to read an RTMS
with DSS modem (targets
displayed
but
sensor
settings
are
not
displayed).
•
Pin “a” is not cabled.
PC cannot send any
commands and has
not received setup
data.
•
Examine cable and correct to
include pin “a” cabling to DB9F pin 4
(DTR) if omitted.
Cannot establish
communications with an
RTMS equipped with
internal data storage.
•
10-12V is not present
at MS pin “b”.
•
Examine cable and correct to
include pin “b” cabling to DB9F pin 7
(RTS) if omitted.
•
Examine any modem cable used for
conformance
to
the
cabling
diagrams.
PC and sensor are
communicating (Sensor
settings are displayed on
buttons) but target “blips
“are not shown on the
main screen.
PC and sensor are
communicating (Sensor
settings are displayed on
buttons) but target “blips
“are not shown on the
main screen.
Main screen shows target
blips but no zone icons or
parameters on buttons.
Self-Test results are not
displayed on PC screen.
not
not
aimed
aimed
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
11
Draft 1
Page 34
WARRANTY AND SERVICE
EIS Warranty
EIS Electronic Integrated Systems Inc. warrants this product to be free from defects in material and
workmanship for a period of two years from date of delivery. Damage to the product due to accident,
abuse by the buyer, or unauthorized modification, improper installation, or operation outside the
specifications is not covered by the warranty.
CAUTION
Do not attempt to open, repair or disassemble the RTMS unit.
Such action (breaking the seal) will void the warranty.
Contact EIS if the unit requires servicing.
EIS warrants that its software and firmware designated for use with the instrument will execute its
programming instructions when properly installed. EIS does not warrant that operation of software or
firmware will be uninterrupted or error free.
Service Information
The RTMS does not require routine maintenance. It is recommended that the Self-Test is included in the
installation procedure. Self-Test should be invoked with the unit installed and aimed at a road. Self-Test
performed indoors may produce erroneous results.
If the unit fails to operate, please refer to the troubleshooting guide in Section 10 of the RTMS User
Manual or call EIS technical support. An RTMS connected to a dial-up modem can be accessed
remotely for testing and support purposes.
EIS Inc. will repair or replace at its option, any components, which prove to be defective during the
warranty period. Buyer shall pay for shipping charges to EIS. EIS will pay shipping charges and
insurance for warranty repaired product. Buyer will be invoiced for repair and shipping of product
repaired outside of warranty or when no fault is found.
Units returned to EIS for service should include the following information with the shipment:
•
Name, address, and contact information of owner.
•
Name and telephone number of someone familiar with the problem who may be contacted by EIS
personnel for further information if necessary.
•
Model number, serial number and software revision number.
•
A complete description of the problem. e.g. under what conditions did the problem occur? What
equipment was attached? What was the result of the Self Test diagnostic?
•
Shipping address for the return.
•
Return Merchandise Authorization number. Contact EIS Customer Support prior to shipping
merchandise to obtain it.
The unit should be shipped in the original container. If it is unavailable, there should be approximately
one inch of packing material between the unit and inner carton e.g. plastic bubble-wrap. The carton
should be sealed with strong tape or strapping.
Note: Shipping papers, i.e. Commercial Invoices and Way Bills, should include the statement
"Shipped to Manufacturer for Repair", and “Canadian Goods being Returned for Repair”
to avoid repayment of duties and taxes.
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
Draft 1
Page 35
12 SPECIFICATIONS
Microwave Signal and Coverage area
Center Frequency
Bandwidth
Power Output
Beam width – horizontal (azimuth)
Side lobes
Beam width – vertical (elevation)
Range
Number of detection zones
24.125 GHz
45MHz
10mW
12°
>-20dB
40°
3-60m (10-200feet)
Measurements, their Accuracies and Ranges
Measurement
Per lane Volume - Sidefired
Per lane Occupancy - Sidefired
Per lane Classification by length – Sidefired
Volume and Occupancy - Forward-looking
Average Speed - Sidefired
Average Speed - Forward-looking
Range Resolution
Resolution of Time events
% Error *
5%
5%
10%
2%
7%
2%
3m (10 ft.)
10 ms
Range
0-255 0-65535 for MP>300 sec
0-100 %, 1 decimal place resolution
0-160km/h (100mph)
0-160km/h (100mph)
Accuracy Performance Conditions
Error performance parameters outlined above are achieved under normal, high-flow traffic conditions and
are subject to proper installation and setup. Reduced accuracy (higher errors) will be experienced under
the following conditions:
•
Low speed, high congestion conditions: The RTMS may slightly over-count at low speed
conditions (below 1mph)
•
Improper selection of installation site: insufficient set-back, height beyond the recommendation,
obstruction of monitored lanes by barriers or high fences.
•
Improper fine tune setting for the road geometry (lane width, barriers, etc.) will result in “splashing”
and, therefore, over-counting. In some cases, attempts to cover too many traffic lanes with a single
RTMS may result in inability to find a correct fine tune setting and compromised performance.
•
In Forward-Looking Hwy configuration, high variance between the volumes in the speed-trap
zones due to improper aiming or obstructions within the trap range or incorrect height or offset
parameters may result in higher speed and length measurement errors.
Mechanical
Enclosure dimensions
Overall dimensions
Weight
Enclosure
Weatherproofing
Mounting
Allowable pole flexing
22x15x19 cm (8.5 x 6 x 7.5 in.)
22x15x25 cm (8.5 x 6 x 10 in.)
1.3-2.2 Kg (3-5 Lbs.) depending on options
Polycarbonate
NEMA-4X and IP-65
Zinc plated steel universal ball-joint bracket. Vertical and horizontal
brackets are available. Lynch pin locking allows quick sensor
replacement without disturbing the aiming.
Less than 5 degrees.
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
Draft 1
Page 36
Power Requirements and Consumption
•
RTMS standard power requirement
12-24V AC or DC
•
Over-voltage shutdown limit
34VDC or 24VAC.
•
Recommended fusing (external)
2A slow blow minimum
•
Automatic recovery from power failure
Within 5 seconds, with DSS – 20 seconds
•
Power consumption (Standard Power)
2.7 Watts
•
Additional Power consumption of options DSS = 2.0 W, TCP/IP =1.2 W
•
Commercial AC power option
115±20V AC @ 50-60Hz, 3W
Interfaces
Zone Contact Ratings
•
Maximum current
100mA
•
Maximum voltage
400V
•
Maximum dissipated power
300mW .
Data Ports
•
USB 2.0 with range up to 30 feet
•
One isolated port Standard, additional port Optional
•
Ports operating at no parity, 8 bit, 1 stop bit at adjustable speed between 2400 and 115200
bits/sec (bps).
•
RS-232 operating distance depends on selected speed: 200 -1000 ft.
•
RS-485 option extends range up to 1200m (4000 feet).
•
Optional Ethernet port with range up to 30 feet.
Flash Upgrade
Available over data port remotely or locally
Surge immunity
The RTMS withstands ± 1kV surge (rise time = 1.2 µsec, hold = 50µsec) applied in differential mode to
all lines, power and output, as defined by IEC 1000-4-5 and EN 61000-4-5 standards.
Environmental Conditions
Operating limits
Shipping and Storage
Temperature range
-37 to +74°C [-35 to 165°F]
-40° to 80°C [-40° to 171°F]
Humidity
Up to 95% relative humidity
Up to 95% relative humidity
Vibration
2g up to 200Hz sinusoidal
Shock
5g 10ms half sine wave
Wind
Winds up to 160 km/h [100mph]will not degrade performance
Precipitation (rain or snow)
Up to 100mm/h
Electromagnetic Interference
RTMS Model K4 is certified to meet
•
US FCC Rule part 15 Class A, Canadian CSA C108.8 M1983 Class A and CE mark requirements.
Reliability
The RTMS is designed for Mean Time Between Failures (MTBF) of in its operating environment of
90000 hours [10 years].
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
APPENDIX 1
Draft 1
Page 37
RECOMMENDED SURGE PROTECTION
It is recommended that communication and power lines of the RTMS be equipped with surge protecting
devices, located as close as possible to the sensor, e.g. in a cabling cabinet mounted on the RTMS on
the pole. The surge suppression should be applied as follows:
• The Tx and Rx communication lines should employ low capacitance, bipolar surge suppressors
with a clamping voltage of 15V.
• The Signal ground line should be grounded
• A bipolar surge suppressor with a clamping voltage of 40 V shall be placed between two low
voltage (16-18V AC or 12-24VDC) power lines.
• One of the power lines, negative line in case of DC, shall be grounded
Figure 19 – Surge Suppression
Above is an example for surge suppression with RS232 communications and 12-24VAC/DC power input.
EIS Electronic Integrated Systems Inc.
RTMS™ User Manual for Model K4
Draft 1
Page 38
INDEX
Aiming
Alarm
2, 35
25
4, 19, 38
27, 28, 30, 31, 41
15, 16
11, 13
DTE
DTR
14
5, 11, 13, 39
25, 29, 37, 41
Fine tune
22
26, 29
2, 3
42
Sensitivity
Speed
Spider
Surge protection
1, 5, 7, 8, 9, 11, 13, 19, 33, 38
1, 5, 8, 9, 10, 14, 33, 42
5, 8, 11, 13, 39
26, 30
16, 18, 19, 25, 26, 29, 34, 35, 36
13
1, 4, 7, 38, 39
42
14, 15
39
16, 23, 24, 26, 30, 31, 36, 41, 42
33
4, 43
25, 29
25, 26, 28, 31, 41
Wizard
Message period
Mode
Modem sharing
MS connector
MTBF
Multidrop
RF Modem
RS-232
RS-485
RTS
Volume
Km/h
28, 36
1, 30
Table 1
Threshold
Headway
Height
Per Vehicle Speed
Power Management
EDT
26, 41
Cable
Classification
COM Port
CTS
Occupancy
20, 21, 36
Zones
25
EIS Electronic Integrated Systems Inc.

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