ODS Overheight Detection System
Contents
1. ComB grau 24V T OUT 24V GND OUT OV GND GND K OUT Eror OUT Error OUT Ovarhekght OUT Overhelght Zentrale OUT Run Control Center XA OUT 12x0 75 Bun et a ch Se EE IN Reset J 220R 24 Voc Ces OUT 24V 24V oc OUT 24V GND OUT V GND OUT V Res not used Res NC Ras not usad Res NC mr TC Bes E Borb 0901 12 j e Anschluss Schaltschema SYSTEMTECHNIK VERKEHRSTECHNIK Oosthestra e 17 82110 Germering ld UL Anhang Attachment Seite Page 92. ODS Overheight Detection System Installation amp Operation Manual Version 4 ODS Overheight Detection System SCHU YSTEMTECHNIE VERKEHRSTECHMIK Installation and Operation of the ODS Overheight Detection System Height control To prevent damages to the structure or equipment of tunnels lighting signals ventilation it is advisable to control the height of all vehicles at tunnel access for exceeding the headroom In the normal case height control at two positions is recommended At the first position the driver of a vehicle with over height is requested by an active warning sign to leave the road at the next exit At the second position light signals will block tunnel access in case of alarm Schuh amp Co GmbH page 1 of 24 ODS Overheight Detection System SCHU ferd SYSTEMTECHNIK WERKEHRASTECHFAIK The SAM Sensor The SAM laser sensor recognizes even small objects minimum of 5 cm at a speed of up to 100 km h Roads with a width of up to 32 meters can be controlled for height with an accuracy of 2 cm Two SAM sensors work as reflection light barriers in the over height detection application Therefore an electrical installation is required only on one side On the opposite side only a passive reflector is to be mounted Due to special beam widening adjustment is very simple and there are no problems to be expected from vibrations the swaying of the supporting pole or even the thermal expansion of the con
3. will be displayed When the display is finished all detector settings will be reset Schuh amp Co GmbH page 8 of 24 ODS Overheight Detection System SCHU HCO SYSTEMTECHNIK WERKEHRS TECHNIK e Release the MODE key e Press SELECT key and MODE key at the same time to leave INFO function e Press SELECT key and MODE key at the same time again to return to normal operation 4 1 2 Deactivate Loop input Each of the 4 loop inputs of the detector can be configured with the following operation steps e press MODE key in rapid succession until o for OUTPUT function appears on the seven segment display e hold down MODE key for about 2 seconds to confirm selection of the OUTPUT function The current configuration will be displayed e press the SELECT key several times until just the green LED of the desired channel lights up e press the MODE key several times in rapid succession until 0 for deactivation or 1 for activation of the channel appears on the display e To store the selected setting press down MODE key and keep pressed until it disappears from the display e To configure more channels use the SELECT key to select the channel and the MODE key to set and store the channel setting as described above e Press SELECT key and MODE key at the same time to leave OUTPUT function e Press SELECT key and MODE key at the same time again to return to normal operation 4 1 3 Select Frequency Band If 2 loop
4. Monitor to open a second window with 3 diagrams and a table a Diagram i Oj x 5 Diagram 15 x Gate Leon I off Diff 1 138 138 o no z 127 128 d no 3 128 128 o no 4 128 128 d no 5 126 128 o no 128 128 o no 7 125 128 o no g 128 127 d no 3 125 128 o no 10 252 5 247 no 11 252 4 245 no 12 251 4 248 no Close The bottom diagram shows the signal level of up to 12 distance ranges gates The SAM 2 uses only the gates 10 12 When the SAM has been justified correctly the level at gate 11 should be constant at about 250 In the gate before and after the level may be lowered as you can see in the next diagram For any other gate no signal should be displayed As soon as the light beam is interrupted or not correctly aligned to the reflector strip all signal levels in the bottom diagram are 0 Schuh amp Co GmbH page 21 of 24 ODS Overheight Detection System SYSTEMTECHNIKE VERKEHRSTECHMIK 10 x H OW D A dh Af BB D bt 11 Diagram with acceptable but not optimal levels Schuh amp Co GmbH 128 128 128 128 128 128 128 128 3 H rh rh no no no no no no no no no no Ra ii s Pa no no page 22 of 24 ODS Overheight Detection System 8 Technical Data HCO SYSTEMTECHNIK WERKEHRASTECHFAIK SAM 24V 260 mA without heating 110 mA Loop Card 24V 85 mA Controller 24V 85 mA 3 OUTPUT Relays max 30V max 2A System 2 SAMs 1 Loop 24V 6
5. means detecting an object Interface converter RS232 RS485 buzzer as detection signal On Off switch for the buzzer 9pol DSub socket Connection to PC Connector to SAM AC adaptor plug Schuh amp Co GmbH page 19 of 24 ODS Overheight Detection System SCHUHEP SYSTEMTECHNIK WERKEHRS TECHNIK 7 SAMcom Software SAM laser sensors have a serial interface to communicate with a PC for configuration service and testing Most easily this is done via the ODS Controller which will do the RS485 RS232 conversion Alternatively a connection via the interface converter is possible as described in chapter 6 SAMcom has to be installed from CD on PC first Execute the program SETUP EXE from the SAMcom directory on CD After installation the program SAMcom exe can be called from its installation directory The default directory is C Programme SAMcom Immediately after starting SAMcom reads and displays the configuration parameters of the connected SAM BER End Settings General SAM Typ 1 5 2 E 1 EProm version Sw Revision 53 Sw Date 2002 0127 Development Confirm factor Ticks 1 20 3 Maximum confirm factor Ticks SR ER 2 Config Mas No of t t confirm Fakt 1 255 5 San 12110502 Er 7 ax No of presence to increment confirm faktor Diff remission for background 1 255 150 Install SAM Adresse 1 254 0 Gate used for detection 1 12 HI Actual confirm f
6. 7 for program operation SW Update Menu 3 6 Please be aware this is a time critical process that should only be performed by trained personnel This menu item provides the upload of a new version of the control software to the ODS Controller For this purpose the program Twload32 exe has to be started first on the PC In settings communication the used COM interface with 38400Baud Even Parity has to be selected Afterwards go to menu item 3 6 on the ODS Controller and start reception by entering the required password Straightaway afterwards select the TGU file that contains the new software on the PC in menu Programmieren Modul programmieren This will start the transfer The progress of which is monitored on the PC At the end of transfer the ODS Controller automatically resets itself Schuh amp Co GmbH page 17 of 24 ODS Overheight Detection System SCHU HCO SYSTEMTECHNIK WERKEHRS TECHNIK 5 8 The radio clock Also included in the delivery of the ODS Controller is a DCF77 radio clock to which the receiver is connected with a 1m long cable For a good reception there are three indicators that help to position the receiver optimally e A built in LED light on the receiver has to flash once per second at a constant rate e Menu 3 3 must not display the message Error e The LED on the keyboard lights until the internal clock is synchronized A change of the direction of the receiver for insta
7. 90 mA AC power supply 100 240V 47 63 Hz 0 9A in ODS Controller out 24V max 1 3A Recommended feeder cable 9 Attachment Schuh amp Co GmbH UL LIYCY shielded 10 x 0 56mm Style 2464 1061 PVC UV resistant page 23 of 24 ODS Overheight Detection System 9 Anhang ee SoS RON SAM Befestigung Bilder SAM Befestigung Bilder Konsole fur 2 SAMs SAM Au enma e SAM Reflektorplatte ODS Controller AuBenmaBe Vario Box SAM S Anschlussbelegung ODS Controller Anschluss Klemmleiste ODS Controller Anschluss Schaltschema 9 Attachment oO o Jo mb WD SAM S 2 parts for mounting picture SAM S 2 parts for mounting picture Mounting console for 2 SAM S 2 SAM S 2 outside dimensions SAM reflector plate ODS Controller outside dimensions Vario Box SAM S 2 pin layout ODS Controller terminal connectors ODS Controller connection diagram Anhang Attachment S STEMTECHHMIE VERK GAHRSTELCAPRJIK ODS Overheight Detection System SCHUHED SY STEMTEGHAIK VERK EHR TECH NIE Anhang Attachment Seite Page 1 ODS Overheight Detection System gt Montage Konsole fur 2 SAMs Bohrungen fur die Befestigung an einer Wand Holes for wall mounting Winkel fur die Befestigung an einem Mast Bracket for pole mounting Klemmboxen zum Anschluss der SAMs Junction boxes to connect the SAMs Anhang Attachment Seite Page 2 S YSTEMTECHMIEK YEAKEHFBETECFFJIH ODS Overhe
8. C to leave it again In the case that settings have been changed by mistake they standard settings can be restored in menu 1 3 Reset to Defaults It is no problem to enter the menu for Log Files and Service at any time as they do not change ODS Controller settings in any way Schuh amp Co GmbH page 13 of 24 ODS Overheight Detection System The Menu Mainmenu Submenu Parameter 1 Settings 1 Setup Inputs With Loop Y N With SAM1 Y N SYSTEMTECHNIKE WERKEHRS TECHNIK Description Specifies whether the loop input should be monitored If YES an overheight alarm will be given only if the loop signal also detects a vehicle at about the same time Default YES Specifies whether the system works with 2 SAMs When set to NO the system will work with limited detection ability using only SAM2 and the loops RUN ERROR Default YES With SAM2 Y N With DCF77 Y N Comm Test Y N 2 Special Settings Menu Timeout s Alarm Time SAM Arming Time Loop Arming Time Min Obj Time Max Obj Time Schuh amp Co GmbH Specifies whether the system works with 2 SAMs When set to NO the system will work with limited detection ability using only SAM1 and the loops RUN ERROR Default YES Specifies whether the system should use the build in radio controlled clock In case of weak or weak signal reception the time can be set manually with menu 3 2 Default YES Specifie
9. M The reflector reflects exactly in 180 Watching even with a small angle e g 1 meter aside the SAM reduces the intensity very much For a coarse adjustment of the SAM the build in red laser pointer can be switch on by the Menu 3 1 of the ODS Controller Schuh amp Co GmbH page 6 of 24 ODS Overheight Detection System SCH Uka SYSTEMTECHMIK VERKEHRSTECHMIK As the road surface is not always horizontal the adjusted height must be checked on serveral positions Schuh amp Co GmbH page 7 of 24 ODS Overheight Detection System SCHUHEBG SYSTEMTECHNIK WERKEHRS TECHNIK 4 The Induction loops To avoid false alarms as best as possible the ODS Controller has additional to the signal inputs for the SAM sensors also an input for another presence signal the loop input With the appropriate ODS Controller configuration an alarm will only be triggered when the signals of the SAM sensors are received in correct order and timely sequence and at the same time a presence signal from the induction loops has been received The important point is that the presence signal is given without delay lt 40ms which requires that the induction loops are positioned more or less directly underneath the SAM laser sensors The ODS Controller can operate with built in loop detector cards or with an external loop detector 4 1 Loop detector of ODS Controller Normally the ODS Controller is equipped with one or two internal loop d
10. O SYSTEMTECHNIK WERKEHRS TECHNIK 5 7 The serial interface The ODS Controller has a serial RS232 interface for the connection to a PC with a 1 1 cable 9pol DSub socket 9pol DSub plug Only the data signals TxD RxD are used not the handshake signals Transmission parameters 9600Baud 8Bit no parity bit no flow control In the menus listed below PC communication is used Send Log File Menu 2 2 The log book in which all important events are recorded with timestamp can be transferred to the PC For this purpose start the Windows program Hyperterminal via start programs accessories communication In file new connection the parameters of the COM interface have to be set as specified above In transfer capture text the file is specified in which the log book is to be saved and reception is started Finally in menu 2 2 on the ODS Controller the transfer is started PC SAM Communication Menu 3 2 For communication and servicing the SAM sensors are also able to communicate with a PC For instance the alignment of the sensor beam can be controlled in monitor mode of the SAM Due to the long data cable that are needed the SAM has a RS485 interface that cannot be directly connected to a PC For this interface the ODS Controller takes care of the interface conversion At first the SAM to be connected to the PC has to be selected in menu 3 1 Then on the PC the SAMcom software is started See chapter
11. ODS Controller is a micro processor unit specially designed for this purpose All modules are inside a splash proof plastic casing The electronics provides the following hardware functions e power supply for internal electronics and 2 SAM sensors inclusive of heating input voltage 100 240VAC 47 63Hz max 0 9A e keyboard and display for menu driven handling of the ODS Controller e 4 optocoupler inputs for signals from SAM1 SAM2 Loop and Reset e 3relay outputs max 30V 2A for run operation error and over height alarm signals each with a corresponding signal indicator LED at the front panel e 2 serial RS485 interface for communication with the two SAM sensors e 1 serial RS232 interface for communication with a PC 9600 Baud 8Bit NoParity e DCF77 radio clock e Watchdog control for imperative reset in case of a software hang up e Fail proof memory for configuration settings and a log book e 2 slots for internal loop detector cards All wiring is done with terminal strips behind the bottom casing cover The exact terminal connections are specified inside the casing cover and documented in the attachments of this manual 5 2 Software Operation State The main purpose of the software is the constant evaluation of the 3 input signals from SAM1 SAM2 and loop When the ODS Controller is in detection mode the green LED is lit up the RUN relay is on and the LCD display is empty 5 2 1 Height Alarm The over height ALARM
12. Pointer OFF ne lp Jobb 4 LP vio purple in out RS485 bus serial interface 10 gr gray 10 in out RS485 bus serial interface Sousa II wb KL DI A a kh 9 ty kl v lt ODS Controller SAM S 2 gt Anhang Attachment Seite Page 7 ODS Overheight Detection System SCHULEOm w EY STEMTEGHAIK VERK BERGET DC KIND X8 LOOP Extam AB Schalter B Reset 9 OUT 24V 10 OUT V 11 Res NC 12 Res NC Zentrale Control Center X4 N SYSTEMTECHNIK ODS Controller MT a pn Anhang Attachment Seite Page 8 S YSTEMTECHMIEK VERK GAAS Te CHI ODS Overheight Detection System SCHUHEOm w ODS Controller Verteiler Klemm Jeiste F1A L1 IN E Phase Netzzuleltung PE X1 IN 3x1 Erde 110 230 Vic N IN Null Mains a ZAVnc 1 OUT UP rad GND 2 OUT GND black 24V 3 OUT Helz orange GND 4 OUT Heiz blus Objekt erkannt 5 IN 10x0 56 Sig1 yellow ax Objekt erkannt 6 IN Sig1 green Polnter 7 IN Polnter white Geer nicht beschaltet 8 IN n c brown ComA 9 IN OUT Coma purple ComB INOUT ComB grey shield 24Voc GND 24 Voc GND Object detected Object detected Pointer not used ComA ComB m shield 2K7 w De OUT UP rot OUT GND schwarz OUT Heiz orange OUT Heiz blau IN 10x0 56 Slgi gelb eae IN Sig gr n IN Pointer wei anias IN ne braun IN OUT ComA violet IN OUT
13. a given time 5 2 3 Limit Mode If only one of the sensors is defect the ODS Controller continues with limited detection ability This is signaled by the combination RUN and ERROR state with green and yellow LED on 5 3 Relay Functions Name Meaning Contact Bezeichnung Bedeutung Kontakt green grun normal or limit detection ON no detection or power off yellow gelb SAM Error or Loop Error ON OK red rot Overheight berh he ON OK The relay polarity may be changed by customized software Schuh amp Co GmbH page 11 of 24 ODS Overheight Detection System SCHUHEP SYSTEMTECHNIK WERKEHRS TECHNIK 5 4 Log File All state changes are logged with a time stamp in the Log File It can be browsed by the menu 2 1 Display LogFile Each defect or disabled Sensor is recorded with its number in the Error State Line 1 SAM1 2 SAM2 4 LOOP Combinations are also possible e g 6 SAM2 Loop Error 5 5 Control of the Input Signals In menu 3 4 Monitor Sensors the inputs of the loop sensor and the SAM sensors can be monitored on the display of the ODS Controller After mounting wiring and justification it is highly recommended to check the proper functioning of the 3 sensors with this menu first Schuh amp Co GmbH page 12 of 24 ODS Overheight Detection System SCHUHEP SYSTEMTECHNIK WERKEHRS TECHNIK 5 6 Software Menues On pressing the ESC key the ODS Controller leaves the dete
14. actor a Mode for maintenance slow a Limit short objects for recalib confirm factor Ticks 0 65 535 So Time interval for recalib confirm factor 2S0me Read fram SAM Head from File Restart SAM 0 65 535 0 Store to S M Save to File Bla Recalb Cancel Com Factory Setting Monitor Exit Program Output min pulse width me 0 5 500 250 7 1 Changing the SAM Parameters Parameters can be changed by making an input in the corresponding field and then transferring the parameters to the SAM by clicking on the Store to SAM button On delivery the SAM sensors will be optimally configured according to the application requirements so that normally it will not be necessary to change the settings Therefore only the two most important values will be described in the following Schuh amp Co GmbH page 20 of 24 f ODS Overheight Detection System SCHUHEG SYSTEMTECHNIK WERKEHRS TECHNIK Install Gate used for detection Defines the distance range of the reflector Gate Only this gate will be evaluated Install Output min pulse width Defines the minimum length of the output signal This means the presence signal is switched on as long as the light beam is interrupted at least for the minimum length of time in ms 7 2 Monitor Operation The main application of the SAMcom software is monitoring the level of reception in the various distance ranges gates Click on
15. cards are installed in the ODS they have to work with different frequency bands By resetting the loop card to the factory settings 4 2 1 the frequency band 3 is selected The second loop card then should be configured to frequency band 1 with the following operation steps e press MODE key in rapid succession until F for FREQUENCY function appears on the seven segment display e hold down MODE key for about 2 seconds to confirm selection of the FREQUENCY function The current configuration will be displayed e press the MODE key several times in rapid succession until 1 for the frequency band appears on the display e Press SELECT key and MODE key at the same time to leave FREQUENCY function e Press SELECT key and MODE key at the same time again to return to normal operation 4 2 External loop detector An external loop detector unit can be connected to the ODS Controller at X6 Loop extern As a rule the presence of a vehicle is signaled by a relay contact normal open or an open collector output of the induction loop processing unit When there are several lanes the corresponding normal open contacts have to be connected in parallel The contacts have to be wired up so that the optocoupler input of the ODS Controller is powered when a vehicle is detected Schuh amp Co GmbH page 9 of 24 ODS Overheight Detection System SCHU HCO SYSTEMTECHNIK WERKEHRS TECHNIK 5 The ODS Controller 5 1 Hardware The
16. ction mode and is ready for input from a user The available menus and menu items are described in chapter 5 6 On pressing ESC a second time the controller returns to detection mode again When the user fails to do so the ODS Controller automatically returns to detection mode after 5 minutes without key board input For configuration servicing and testing of the ODS Controller there is a numerical keyboard and 4 line LCD display When in configuration mode the ODS Controller will not perform any overheight detection All configurable settings parameter can be selected form the main or from sub menus All input will be checked Wrong or meaningless values will be rejected For better orientation the program returns to the main menu after each change All settings will be retained even in case of a power failure These are the most important function keys DELETE clears the last input 1 also for ON or Yes ESC aborts input discharge the change and leaves the ap current menu 5 also used for N No ss Arrows go to previous next item 9 also used for Y YES ENTER confirms input 0 also used for OFF or No The settings of the ODS Controller are correct for standard operation and normally do not have to be modified The Settings menu items are only described for the sake of completeness but should not be changed without prior consultation In case a menu is entered by mistake use ES
17. ctor to factory settings ssssmssssessseosrreorreorrrorrrrrrrrrrrrrrr rer r rr nr rr nr rna 8 4 1 2 Deactivate Loop input oiosseossressreosressressreorrrnsrrrrrrnrrrrrrrrrrrrr rr nenne nenne nenne nnenn nenne nennen 9 4 1 3 Select Frequency Band 9 22 P ee le TEEN EE 9 Uu OO e EE 10 5 1 Hardware 10 5 2 Software Operation Gate 10 Se ge ENE EE E E 10 db ENN 11 523 Bin MOO EEE 11 59 WE gl luede 11 DA LOO E 12 5 5 Control of the Input Gonale renen rerna rr rr rr RR RASAR RKA R RR KSR nn 12 5 0 SO Ware VIT ID ee nee ee 13 CS WINGS E En E 17 50 TET 18 He ee GM EEE 19 uC ONO NOW AL EEE ENE EE 20 7 1 Changing the SAM Parameters mnnssmnsssssrrssssrrrssrrrrerrrrrerrrrrerrrrrrr rr ere rr rr rr nr rr rn RAR rann nn 20 7 2 Monitor Operation er 21 TECHNICAL Dada 23 PAT AC MINN E 23 Schuh amp Co GmbH page 3 of 24 ODS Overheight Detection System SCHU HEO SYSTEMTECHNIK WERKEHRS TECHNIK Installation Overview amp Quick Guide Mount 2 SAMs and the reflector plate e left right offset SAM1 SAM2 250mm e take care of the controlled height Mount ODS Controller Wire up ODS Controller e mains supply e SAMI SAM2 e Alarm output to control center Only when required connect e Reset signal from the control center to the input of the controller e Run operation output from the controller to control center e Error output from the controller to control center For operation with induction loops e connect the output
18. ed time in milliseconds between two SAM output signals to interpret this as a valid object movement fastest speed Default 8 11 gt 80km h 8 110km h 7 128km h Max Diff Time Defines the maximum elapsed time in milliseconds between two SAM output signals to interpret this as a valid object movement lowest speed Default 300 90 10km h 300 3 km h Min Loop Time Specifies the minimum duration of the loop signal in milliseconds for a valid vehicle Default 10 84 gt 3m bei 128km h Max Loop Time Not used in this application Specifies the maximum duration of the loop signal in milliseconds for a valid vehicle Default 7200 7 2 Sekunden Loop Diff Time Specifies the maximum time in milliseconds the SAM signal may occur before and after the loop signal to give a valid detection Default 120 im bei 30km h Limit No Pulses Specifies the number of single pulses from a SAM until the controller will switch into the error state Default 5 PlsError Lng Time Specifies the time after that the controller will reset the counter for single pulses Default 20000 20 seconds Malfunc Time Specifies the time after that the controller will leave the error state entered because of single pulses Default 6000 6 seconds 3 3 Reset to defaults to defaults 3 Reset to defaults Resets all parameters to their default values Schuh amp Co GmbH page 15 of 24 ODS Overheight Detectio
19. etector cards able to monitor up to 4 lanes per card The twisted loop leads are to be connected to the plug X5 Loops 1 4 and X15 Loops 5 8 The VEK MAC detector has its own micro processor control and can be configured for various applications by keys on its front panel Used in conjunction with the ODS Controller the standard factory settings are being used Since defective or unconnected loops will be detected as an error it is necessary to deactivate the inputs of not used loops Alternatively the inputs not in use can be supplied with a mini inductivity 220uH At the front of the detector there are 8 LEDs and a seven segment display The green and red LEDs show the state of the corresponding channel green LED mem meaning S Loop occupied inking slow blinking Resolved loop error When the detector is in configuration mode the seven segment display is switched on and the green LEDs indicate the selected channel 4 1 1 Reset loop detector to factory settings With the following operation steps the factory settings can be restored e press the MODE key several times in rapid succession until i for INFO function appears on the seven segment display e hold down MODE key for at least 2 seconds to confirm selection of the INFO function One after the other the stored values will be displayed e While the stored values are being displayed press down MODE key and keep pressed For 2 seconds a blinking r
20. ight Detection System SCHUHED up Befestigungsbohrungen 12 0 a Klemmbox f r Mast Montage Konsole fur 2 SAM S 2 Mounting console for 2 SAM S 2 Blatt A Mate 170814 se L veer Ee ep Anhang Attachment Seite Page 3 ODS Overheight Detection System SCHUHED Blatt 1 1 BL Ma stab 1 2 outside dimensions SAM S 2 Aussenma e Montage Konsole xx 22 II EG I iu gt XY d gt Goethestra e 17 82110 Germering I O N 400 mmm Dom 204 5 Anhang Attachment Seite Page 4 S YSTEMTECHMIEK YEAKEHFBETECFFJIH SCHU ODS Overheight Detection System S CL EJEN jejd 10payya aye doyjayey yewumes jeyunp ueme ww 6 L pegy TELSJEW NZ JyoIsueueyeg Bupeuso 0LLZG Zi egpneemecg eer N m N lt i j J SOJNBVLIV uapa jyoisugjdney Seite Page 5 Anhang Attachment ODS Overheight Detection System get Vario Box Vario Box Wandmontage Geh useabmessung Outside Dimensions Blatt EHNIK ODS Controller m Anhang Attachment Seite Page 6 ODS Overheight Detection System SCHUHEBn VERE RESTE Cl ida SAM S 2 Anschlusskabel pin layout ODS Controller 1 Color Sigi Presence ge yellow RS422 output normal if presence no reflexion Sigi Presence gn green RS422 output normal if presence no reflexion Pointer 7 ws white in Connect to GND Pointer ON Open
21. lues If the changes persist for a set number of impulses the SAM sensor will activate the output signal For easy control there is an LED at the bottom of the casing that lights up when the reflecting strip on the reflector plate is correctly detected The required supply voltage is 24Vpc for the SAM electronic and additionally 24Voc to operate the regulated heating resistor that prevents dew and tarnishing of the lenses The voltage is normally supplied by the ODS Controller The SAM sensor reports the detection of an object over a bipolar RS422 output The two signal outputs have to be connected to the ODS Controller For adjusting and servicing the SAM also has a RS485 serial communication interface Using an appropriate interface converter the SAM can be connected to a PC All parameters of the SAM sensor can be read and modified with the program SAMcom The SAM PC converter is intended for use in the work shop On site a PC can communicate via the ODS Controller with the connected SAM sensors To make the adjustment at site easier the SAM is equipped with an additional red laser pointer This could be switched on in the Service Menu of the ODS Controller Schuh amp Co GmbH page 5 of 24 ODS Overheight Detection System SCHU HCO SYSTEMTECHNIK WERKEHRS TECHNIK 3 1 Mounting Adjusting of the SAM Sensors The reflector plate has to be mounted so that the bottom edge of the reflector strip is the same height as the maximum
22. n System SCHU FY El SYSTEMTECHNIK WERKEHRS TECHNIK Mainmenu Submenu Descrpon 2 Log Files 1 Display Log File Displays all log file entries Use the arrow buttons to go through the log file step by step To leave the log file display press the ESC button 2 Send Log File This menu item will transfer the complete log file to a PC over the serial interface 3 Clear Log File Clears the log file and starts a new one 3 Service 1 SAM Pointer on Switches the red laser pointer of both SAMs on In this menu item the timeout is extended to 60 minutes 2 PC SAM Commun Allows the communication between a SAM connected to the controller and a PC over the serial interface of the ODS Controller 3 Adjust Clock When the radio clock is deactivated time and date can be set here When the radio clock is activated menu 1 1 synchronisation can be monitored in this menu 4 Monitor Sensors Shows the detected states at the 3 inputs for SAM1 SAM2 and LOOP Beeps on every signal change 5 Test Outputs Allows to switch on off manually the 3 relays and their corresponding LEDs 6 SW Update Allows to update the controller firmware over the serial interface Because this is a critical process only instructed persons should use this feature 7 Test Watchdog Omits to retrigger the hardware watchdog This must lead to a reset of the ODS Controller after 2 minutes Schuh amp Co GmbH page 16 of 24 ODS Overheight Detection System SCHU HC
23. nce by 90 or its position for instance by 10 cm has considerable influence on the quality of reception After 1 or 2 minutes of uninterrupted reception the internal clock is synchronized The LED on the keyboard switches off the one on the receiver continues blinking In this state date and time in the ODS Controller are absolutely correct Fix the receiver in the position found in this way After a reset by the control center or after a power failure synchronization is started automatically and will take 1 2 minutes to complete When no position for uninterrupted reception can be found the radio clock can be deactivated in menu 1 1 Afterwards the internal crystal clock can be set manually in menu 3 3 The clock is currently only used for the timestamps of the log entries Schuh amp Co GmbH page 18 of 24 ODS Overheight Detection System SCHU HESS SYSTEMTECHNIK WERKEHRS TECHNIK 6 The interface converter In the case that the ODS Controller is not available for instance in the work shop the SAM is able to communicate with a PC over an interface converter The interface converter changes R485 signals 5V to RS232 signals 12V In addition an internal timer provides for the switching of the send receive direction of the RS485 module The supplied AC adaptor plug is used for the converter itself and to power the SAM A switchable buzzer will beep if the SAM is not receiving the reflected laser beam which normally
24. of the external loop detector to LOOP Extern terminal strip or if a detector card is built in e connect the loop wires direct to the terminal strip LOOPS e deactivate unused loop inputs at the detector card Adjust and fix radio clock receiver e LED on receiver flashes once per second e Menu 3 3 Adjust Clock Align each SAM exactly e with a night vision system or an infrared sensitive camera Check signals of the sensors 2 SAMs Loop e Menu 3 4 Monitor Sensors Simulate too high vehicles to test the system Delete Log file 13 e Menu 2 3 Clear Log File Schuh amp Co GmbH page 4 of 24 ODS Overheight Detection System SCHU HCO SYSTEMTECHNIK WERKEHRS TECHNIK 2 Components SAM Overheight Detection System of Schuh amp Co GmbH will be supplied with the following components 2 Pes Laser Sensor SAM No SC201 1 Pcs Mounting console No SC213 SC216 1 Pcs reflector plate 200x400mm No SC210 SC215 1 Pcs ODS Controller No SC223 1 Pcs CD with software SAMcom and Twload32 No SC240 and if required 1 Pcs SAM PC Konverter Nr SC230 1 Pcs Night Vision rebuild for IR Nr SC231 3 SAM Sensor SAM emits with its infrared laser light impulses in rapid succession These will be reflected by a reflector fixed on the opposite side of the road The SAM receiver constantly measures the elapsed time and the brightness of the reflected light An object between SAM and the reflector will change the measured va
25. overhead clearance SAM2 SAM1 The two SAM sensors are mounted at the same height 250 mm apart The light exit of Coo Co the SAM sensor is 85mm above the bottom w Sew el edge of the supplied mounting angle For the exact height adjustment a threaded rod is fixed between the tube and the mounting base lt 250mm driving direction The lens of a SAM sensor transforms its light beam into a vertical line The two vertical lines of both SAM sensors have to fall on the horizontal reflector strip exactly 250mm apart Ideally the light beams overlap the reflector strip top and bottom by the same amount reflector strip laser beam lt lt 250mm Warning It is absolutely required that the light beams are parallel They must not cross Otherwise the ODS Controller can not calculate the speed of an object correctly The correct adjustment of the two SAM sensors is not a simple procedure but only has to be done once A deviation in the angle of the light beam by only 0 1 degree results in 30m distance in a deviation of 5cm This corresponds to a 0 3 mm turn of the nut on the threaded rod The SAM sensor works with an infrared laser Visual adjustment is therefore only possible with a camera without infrared blocking filter or a night vision system at dusk dawn or in darkness You will see the beam on the reflector best direct from the position of the SA
26. s whether the system should test the communication to the SAMs every time before entering the detection mode Default No Specifies the number of seconds after the system will return to the detection mode automatically Default 300 5 minutes Defines the duration of the overheight alarm in milliseconds Default 2000 2 seconds Defines the time in milliseconds the SAM sensors must stay in normal state no object before the system will go into detection mode Default 2000 2 seconds Defines the time in milliseconds the loop sensors must stay in normal state no vehicle before the system will go into detection mode Default 0 not checked Defines the time in milliseconds a SAM output has to signal an object before this signal becomes valid Default 4 Defines the maximum time in milliseconds a SAM may signal an object before it will cause an error state Default 3000 3 seconds page 14 of 24 ODS Overheight Detection System SCHU SYSTEMTECHNIKE WERKEHRS TECHNIK Mainmenu Submenu Parameter Description Min Gap Time Defines the maximum time in milliseconds a SAM output signal may be interrupted before it will be interpreted as a separate object by the controller Default 20 Object Valid Time Defines the maximum time in milliseconds an object detected by a SAM stays relevant Default 8000 8 Sekunden Min Diff Time Defines the minimum elaps
27. state is triggered by the following events in which case the red LED and the ALARM relay is on e ODS Controller is in detection mode e Both SAM sensors report an object in correct order i e first SAM1 and then SAM2 e The time lag between both signals is plausible i e it is between 300 ms and 8 ms which corresponds to an object speed of 3 110 km h e There is a signal from the loop sensor related in time to the SAM signals i e the SAM1 signal came no earlier than 120 ms before the detection of the front of the object and no later than120 ms after the end of object detection e Inthe limit mode see 5 2 3 one of the 3 sensors may be off Schuh amp Co GmbH page 10 of 24 ODS Overheight Detection System SCHU HEO SYSTEMTECHNIK WERKEHRS TECHNIK 5 2 2 Error State The ODS Controller changes into the ERROR state which means the yellow LED and the ERROR relay switches on in case of any of the following events e One of the SAM sensors reports an object permanently i e longer than 3 seconds e There are several individual signals from the SAM sensors that do not comply with the conditions for an alarm e g when it snows e The internal loop detector card signals an error condition e One of the sensors is switched off in the menu Settings Setup Inputs From the ALARM state and from ERROR state the ODS Controller returns into detection mode only when no more signals have been received from the sensors for
28. struction The Reflector Plate There are 2 versions of the reflector plate available The basic type and the hood type with better weather protection Both are equiped with a 2cm high intensity refection stripe which is additionally covered with an anti dew foil The ODS Controller The controller of the over height detection system evaluates I the signals from the two SAM sensors and from inductive loops that may be installed in addition so that false alarms due to birds or falling leaves will be prevented Furthermore the signal quality of the sensors is constantly monitored Any disorder will be reported by a separate output The output for over height alarm allows to activate flashing lights on warning signs traffic signs or traffic signaling systems The ODS Controller logs all events and provides for the complete documentation of system operation Schuh amp Co GmbH page 2 of 24 ODS Overheight Detection System SCHUHEP SYSTEMTECHNIK WERKEHRS TECHNIK Table of Contents Installation Overview amp Quick Guide ssosssrrrrsrsssrrrreoossrrrroorrrrrrrrr rr rrrr nr rr rr rr nn RR RKS R RKA RR 4 Ci OTID OTIS E 5 SES 0 ee 5 3 1 Mounting Adjusting of the SAM Sensors rrrrrrnnrnnvrnnvnrnnnnererenrrnnerrreenrnnnnerreenrnnnnnne 6 TIS ale 6 eid og Beie 8 4 1 Loop detector of ODS Controller nnmrosssrresssrrrssssrrensrrnenrrrrrnrrrrrnr rr rr rr arr rr rr rr RR ran RR RR nen nn 8 4 1 1 Reset loop dete
Download Pdf Manuals
Related Search