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Canoga



Traffic Sensing System

C924X Series Vehicle Detector

Installation Manual January 2013

Содержание Canoga C924 Series

Страница 1: ...Canoga Traffic Sensing System C924X Series Vehicle Detector Installation Manual January 2013...

Страница 2: ......

Страница 3: ...ts 6 3 2 2 Disturbance Status Outputs 6 3 2 3 Optional Synchronized Vehicle Detector Rack Wiring 6 3 2 4 Rear Connector Communication Port Wiring 7 3 2 5 Remote Reset Wiring 7 3 3 Communication Connec...

Страница 4: ...ng Traffic Binning Data to a File 55 6 6 Importing Traffic Binning Data to Excel 56 6 7 Printing Traffic Binning Data 59 7 Troubleshooting 61 7 1 Eliminating Crosstalk 61 7 2 Detecting Controlling Eli...

Страница 5: ...Detection 74 8 2 27 Real Time Activity Monitoring 74 Tables of Figures Tables Figure 3 1 Switch Call Output Structure 6 Figure 3 2 C924 Channel Disturbance Status Output 6 Figure 3 3 Null Modem Cable...

Страница 6: ...Canoga Vehicle Detectors Canoga C924X Series Installation Manual iv Table of Contents...

Страница 7: ...er how to set the operating parameters for the C924X vehicle detectors It also describes how to check that the desired operation is being obtained Section 7 Historical Data Retrieval Examination Savin...

Страница 8: ...tically isolated Darlington pair outputs 1 5 Manual Conventions The conventions listed in Table 1 1 help to make this manual easier to use by presenting a uniform approach to the descriptions phrases...

Страница 9: ...re and the GTT 701 or 702 Microloops The vehicle detectors may also be connected to standard inductive loops 2 2 Technical Support If you have any questions about the system its use or operation pleas...

Страница 10: ...ck The possibility of electrical shock exists when installing Canoga C924X vehicle detectors if they are not installed properly Follow proper work procedures and read and understand the safety message...

Страница 11: ...operation of the traffic control system may result in unsafe driver action You will need card rack mounting tools hardware as required and connection wire that meets applicable electrical codes and an...

Страница 12: ...ce Signal External Figure 3 2 C924X Channel Disturbance Status Output 3 2 3 Optional Synchronized Vehicle Detector Rack Wiring To use the Synchronization feature of the C924X vehicle detectors the car...

Страница 13: ...mproper operation of the traffic control system which may result in personal injury Improper operation of the traffic control system may result in unsafe driver action To avoid this problem take the a...

Страница 14: ...NC 5 DC Common 6 DSR card is NC 9 Pin DSUB vehicle detector 2 RXD card data receive input 7 RTS card output 8 CTS card input 9 RI card is NC Figure 3 3 Null Modem Cable Schematic 3 3 2 Cable Front Por...

Страница 15: ...able goes from the bussed port wires on the rear of the rack to a 9 pin DSUB with socket contacts Figure 3 5 Cable Rear C924X TIA 232 Port to PC 3 3 5 Cable C924X Rear TIA 232 Port to Modem The rear T...

Страница 16: ...n M No Connection 11 No Connection N No Connection 12 No Connection P Channel 3 Loop Input A 13 Channel 3 Redundant Loop Input A R Channel 3 Loop Input B 14 Channel 3 Redundant Loop Input B S Channel...

Страница 17: ...the screw as shown in Figure 3 7 4 When using the 832 communication module TIA 232 to communicate with more than one C924X vehicle detector in a rack remove jumpers JP1 and JP2 on all modules except o...

Страница 18: ...Canoga Vehicle Detectors Canoga C924X Series Installation Manual 12 Hardware Installation...

Страница 19: ...Pentium II 266 MHz or faster compatible processor 30 MB disk space minimum 64 MB RAM minimum 4 1 3 Optional Communication Accessories Windows compatible printer Modem and or Internet access device Loc...

Страница 20: ...echnical Support If you encounter problems while installing C900 Configuration Software call Technical Support at 1 800 258 4610 or 1 651 789 7333 Worldwide Technical Service For help with technical i...

Страница 21: ...op is the sensor it is necessary to use the Front Panel DIP settings to change the sensor type to Microloop and to make any other settings changes necessary See Table 5 1 C924X Settings on page 16 and...

Страница 22: ...Dis Dis Dis Dis Dis Dis Dis Dis 10 Delay Timing 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11 Extension Timing 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12 Direction Detection Dis Dis Dis Dis Dis Dis Dis Dis 13 Direction...

Страница 23: ...Field Modem Command String None None 33 Field Modem Transmit Delay 0 0 34 Front Port Baud Rate 9600 9600 35 Rear Port Baud Rate 9600 9600 36 Rear Serial Port Mode Auto Detect Auto Detect 37 Programma...

Страница 24: ...ect LEDs on for a total of about 4 seconds After this normal operation starts 5 2 1 5 Checking Fault Indicators All fault indicators should be OFF If any sensor has a fault Open Shorted or 25 dL find...

Страница 25: ...Set these switches to match the type of loop connected to each channel Set the switch to the OFF position if a Canoga Vehicle Detection System Model 701 Microloop or Model 702 Non invasive Microloop i...

Страница 26: ...econd Extension 1 Plug the loop detector into the card rack or input file Warning When you change the Mode Sensitivity or Frequency switch or reset the loop detector all vehicles currently on the loop...

Страница 27: ...has 16 positions Position off Off is represented by a dash Positions C and 1 6 Presence mode sensitivity levels Positions C and 1 7 Pulse mode sensitivity levels The channel is in Pulse mode when a pe...

Страница 28: ...st Recovery mode of operation may be desirable when the loop detector is used for presence type detection in left turn lanes or for high occupancy passage type detection This completes the Manual Setu...

Страница 29: ...dcard address to read settings when the computer is connected to multiple units will be unsuccessful because each unit will be trying to send data at the same time However the equipment will not be da...

Страница 30: ...rect any problem before reattempting to read settings The most frequent problems are that the wrong COM port was selected or that the wrong baud rate was used 4 To check which communication port is in...

Страница 31: ...ctor If the baud rate at the vehicle detector is unknown it is recommended that they be tried in the following order 9600 38400 19200 1200 2400 4800 NOTE The software default baud rate is 9600 baud Th...

Страница 32: ...nk Canoga Model C924 screen 1 Double click on the Settings icon to start configuring the vehicle detector The Settings window displays 2 Click the Channel tab The Channel window tab displays 3 Set the...

Страница 33: ...typical magnitude response to automobile presence e g 400 to 600 nanohenries As a general rule the Threshold Multiplier must be doubled when the channel is attached to a dual probe or triple probe Mic...

Страница 34: ...be equal to the sum of the longest channel ON times for each vehicle detector unit being synchronized When 2 channel units are mixed with 4 channel units channel 1 on the 2 channel units will be ON du...

Страница 35: ...s Power Line Filter Enabled Oversampling X2 Overscan Disabled 2 Click Apply if any settings changes were made to send those changes to the vehicle detector 3 After the Write to Device operation comple...

Страница 36: ...the same time they may separate by about 1 Hz on occasion A greater frequency difference that 1 Hz generally means that there is noise in the system small frequency difference that comes and goes or...

Страница 37: ...l to or less sensitive than delta L caused by typical auto 4 See Figure 7 1 Typical Sensitivity Settings for suggested sensitivity settings for various sensor configurations Single Microloop probes ar...

Страница 38: ...of typical auto Sensitivity in nanohenries Slope Timer 0 15 sec Slope Divisor Sensitivity in nanohenries 32 use a divisor of 64 if channel noise peak to peak is greater sensitivity threshold Bridge Ti...

Страница 39: ...indicated in Figure 5 2 are recommended initial settings When you test a new system check the sensor response to vehicles on each channel and adjust the Sensitivity setting to provide reliable detecti...

Страница 40: ...that are not switching lanes at the speed trap 5 2 4 8 Timing Settings for Delay and Extension 1 Click the Timing tab to set Delay time and or Extension time When Delay timing is greater than 0 secon...

Страница 41: ...n connected to a long loop 3 Set the Threshold Multiplier Slope Timer and Slope Divisor values for the channel by accepting the values provided by clicking on the Suggest button NOTE The suggested val...

Страница 42: ...une speed traps using C900 configuration software NOTE Speed and length data are computed by C900 CS and not by the vehicle detector NOTE In order to configure an accurate speed trap that collects bot...

Страница 43: ...ging the Leading edge distance for a channel pair In most cases the correct calibration factor is the exact physical center to center spacing between the sensors In some cases this may be difficult to...

Страница 44: ...e setting for the distance between sensors Leading Edge Distance from by using the actual vehicle speed and the measured vehicle speed e g increasing the length increases the measured speed and decrea...

Страница 45: ...ring card VehLthactual the actual vehicle length FldLthold the Field Length setting in use when VehLthmeas was calculated FldLthnew the new correct Field Length setting 5 Enter the corrected Field Len...

Страница 46: ...orresponding check boxes Time stamped vehicle count and lane occupancy will be will be recorded and saved for the selected channels In the Binning Schedule section set the Binning Schedule Interval Bi...

Страница 47: ...be entered here The commands will be sent out shortly after a traffic card reset and once every 24 hours thereafter Put a setting in only one of the units attached to the modem b Field Modem Options...

Страница 48: ...ne cannot be handled by other means When enabled the measurement time on each channel is one cycle of the mains This creates very long scan times and very course granularity in vehicle speed and vehic...

Страница 49: ...ters Except for changing Wash Delay Time and Wash Adapt Rate to implement Maximum Presence timing it is rare that any of these settings need to be changed from the default settings 5 2 4 19 Setting Fa...

Страница 50: ...be held prior to channel reinitialization 5 2 4 21 Setting Inductive Loop Background Adapt Rate Background Adapt Rate and Recovery Method settings under Adaptation Parameters apply only if the channel...

Страница 51: ...ared and the channel reference frequency is set equal to the current channel frequency 3 Vehicle leaves and Fast Recovery causes the reference frequency to track the decrease in channel frequency The...

Страница 52: ...g direction detection on the channel that has the lag sensor when the vehicle is traveling in the direction to be detected If you enable direction detection on both channels of a pair the odd numbered...

Страница 53: ...isable the Disturbance Status Outputs as desired When units are used in a NEMA TS 2 cabinet the Disturbance Status outputs must be enabled or the controller will believe the units channels are not ope...

Страница 54: ...settings changes for one hour after entering the password using the Grant Access command or for five minutes after power is turned ON An unknown password may be canceled by setting a new password dur...

Страница 55: ...ry handy to first do a File Print Preview and then print out all the settings 5 2 4 30 Saving Settings Using Print Preview Once it has been confirmed that all settings are correct it is strongly recom...

Страница 56: ...A saved file is easy to view by opening it with a spreadsheet program 5 2 4 32 Re Verifying Operation Examine Data at a Later Date It is recommended that data be retrieved from the unit and examined t...

Страница 57: ...Detection System TM 2003 8 may be obtained by request from GTT Technical Service as listed on the back page of this document The data is displayed with the newest data as row 1 The data can be saved t...

Страница 58: ...Canoga Vehicle Detectors Canoga C924X Series Installation Manual 52 Troubleshooting The Traffic Data Binning screen displays after the historical data is read from the C920 series unit...

Страница 59: ...figure below shows that one bin was missed the one for 2 21 59 PM on 12 10 2004 The data will also indirectly indicate when a channel fault occurred The bin beginning at 2 28 59 shows zero count and z...

Страница 60: ...e 3 Click Save You may specify which suffix type is issued by typing in the suffix when you are naming the file The data is actually stored in XML format regardless of whether the suffix is log or xml...

Страница 61: ...ing Traffic Binning Data to a File 1 Go to File Export to save a Traffic Data Binning data as a tab delimited text file The Export Call History dialog box displays 2 Browse to the directory to save th...

Страница 62: ...Excel 1 Start Excel 2 Follow the described procedure rather than doing a File Open operation The described operation guarantees that there is an opportunity to specify tab as the delimiting character...

Страница 63: ...dialog box displays 5 Browse to the directory where the csv file you wish to bring into Excel is set Files of type to All Files select the file and click on Import The Text Import Wizard Step 1 of 3 d...

Страница 64: ...nual 58 Troubleshooting The Import Data dialog box displays 9 Select the worksheet to put the data The default is into the Existing worksheet 10 Click OK The data is now inserted into Excel You can no...

Страница 65: ...nual Historical Traffic Data 59 6 7 Printing Traffic Binning Data 1 Click Print to print a Traffic Binning Data file from the C900 CS The file prints to the currently selected Windows printer File Pri...

Страница 66: ...Canoga Vehicle Detectors Canoga C924X Series Installation Manual 60 Troubleshooting...

Страница 67: ...ty of crosstalk is eliminated for all sensors on that vehicle detector NOTE To minimize crosstalk in systems with multiple vehicle detectors connect adjacent loops or loops sharing the same lead in ca...

Страница 68: ...r less one of these items is virtually always the cause 7 3 1 Microloop a Microloop is rotated more than 30 degrees from vertical b Microloop is much deeper than the specified depth c The ambient magn...

Страница 69: ...lear the fault indication A red Fault LED repetitively cycles ON for one long pulse 6 sec and three short pulses 25 sec Historical inductance change greater than 25 Use C900 CS to check the Date Time...

Страница 70: ...ponent system The Canoga Traffic Sensing System consists of the following GTT products Canoga C922E Vehicle detector Canoga C924E Vehicle detector Canoga C922 Vehicle detector C924 Vehicle detector IT...

Страница 71: ...half duplex party line TIA 485 port to a second independent full duplex party line TIA 232 communication link 8 1 5 Canoga 848 Memory Module The optional Canoga 848 memory module is a plug in non vola...

Страница 72: ...Operational Environment Temperature 34 to 74 C 29 to 165 F Humidity 5 to 95 non condensing 8 2 5 Outputs Channel Switch Call Output ON while vehicle is detected opto coupler VOFF 40 VDC max VON 1 4 V...

Страница 73: ...16 nH 7 8 nH X Channel Off 8 2 10 Frequency per Channel Each channel of the C924X vehicle detectors has four frequency settings in software settings High 43 4 KHz 100 H sensor Medium High 35 7 KHz 100...

Страница 74: ...During Extension periods the green Channel Detect LED flashes at 16 Hz This indicates that all vehicles have left the loop system but the output is temporarily being held in the Detect state If neith...

Страница 75: ...rameters on page 31 for detailed instructions on setting these parameters 8 2 14 Sensitivity Operating Modes Canoga C924X vehicle detectors have two modes of operation that are set as part of the sens...

Страница 76: ...t Rate Microloop channels the rate at which Reference Frequency moves toward Loop Frequency when Loop Frequency is lower than Reference Frequency Sensitivity Threshold 8 2 16 Max Presence Configuratio...

Страница 77: ...nning screen time stamped vehicle count and lane occupancy data during user defined time intervals Binning Schedule Interval The user may specify the Start Date and Time Once the vehicle detector has...

Страница 78: ...using the q5 command It is preferred that the data reading system clock be synchronized to NIST time This and all other unit commands are detailed in the Canoga Series C400 C800 C900E C900 940E 940 S...

Страница 79: ...This option is required for each channel set to Pulse mode It is strongly recommended for a channel configured for Max Presence Similarly it is normally recommended that Max Presence be configured for...

Страница 80: ...apart or be configured as overlapping inductive loops with the sensors connected to either channels 1 and 2 or to channels 3 and 4 Close or overlapping sensors ensure accurate detection of a vehicle...

Страница 81: ...y extreme atmospheric or weather conditions or 4 subject to events or use outside the normal or anticipated course IN NO EVENT SHALL GTT BE LIABLE FOR ANY INJURY INCLUDING WITHOUT LIMITATION PERSONAL...

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