Installation Manual for Fiber Optic Traffic Sensors in SL
Contents
1. Fiber Optic Axle Sensor s MA 100 MA 110 Optical Transmitter Analyzer SL Cast 90 Encapsulation Material 1kg of grout per 1m of sensor Loop sealant NO hot tar PVC or Polyethylene Tubing home run cables Straight edge 8 2 5m minimum 20 6m tape measure Pavement Crayons and Pavement Paint 1 8 8mm diameter cord 35hp Wet Cutting Pavement Saw self propelled Diamond Blade 3 20mm wide or equivalent 3 8 9mm or 1 6mm blade home run Hammer amp Masonry Chisels Power Washer Water at least 250 gal Larger Capacity Air Compressor at least 150 CFM Street Broom LED Source or light power source with light power meter with SMA adapters Volt Meter 2 Duct Tape Foam Backer Rod Latex Gloves Sensor Line Gesellschaft f r optoelektronische Sensoren mbH In der Scherau 1 86529 Schrobenhausen Germany Tel 49 0 8252 8943 0 Fax 49 0 8252 8943 11 Email info sensorline de HP www sensorline de SENS n LINE Electrical Power or Generator Low Speed Mixing Drill 600 800RPM 2 each Mixing Paddles Large Putty Knife or Small Trowel Angle Grinder with Masonry Wheel or Belt Sander 20 or 22 gauge wire enough to connect MA 110 to power supply and interface board Wire strippers Oscilloscope recommended Marking and Cutting the Slots 1 Ensure the road is safely closed as per local regulations 2 Using the pavement crayons paint tape measure and cord carefully mark the layo2. curing starts since afterwards material will be pulled out of the slot Sensor Line Gesellschaft f r optoelektronische Sensoren mbH In der Scherau 1 86529 Schrobenhausen Germany Tel 49 0 8252 8943 0 Fax 49 0 8252 8943 11 Email info sensorline de HP www sensorline de SENS n LINE 23 Once the pour is complete immediately remove the tape on either side of the slot Doing this too late will also cause material to be pulled out of the slot 24 Repeat for all sensors 25 Once grout has set 20 30 minutes remove backer road and fill home run slots 26 If needed use an angle grinder or a belt sander to grind sand the grout flush with the road 27 Await the allotted time for the loop seleant and SL Cast 90 to cure enough to open the road The SL Cast 90 will be cured enough in 60 90 minutes depending on temperature The grout will cure to final hardness after one week 28 Repeat step 9 to ensure sensor were not damaged during the filling of the slots Installing MA 110 and Testing System 29 Emplace MA110 in cabinets using screws glue or velcro Screw sensor connectors into MA110 30 Using 20 or 22 gauge wire connect terminal 0 to power and terminal 1 to ground Power the MA 110 with 12 24VDC 31 Connect MA 110 to lane controller interface board input using 20 or 22 gauge wire according to one of the two circuits or equivalent below T Y V o TRIGGER 8 C supply TRIGGER 9 TRI
3. optoelektronische Sensoren mbH In der Scherau 1 86529 Schrobenhausen Germany Tel 49 0 8252 8943 0 Fax 49 0 8252 8943 11 Email info sensorline de HP www sensorline de SENS gt n LINE Tool 4 1 mm Rubber Clip Sensor Embedding gt Asphalt or E E Concrete Material 23 26 mm Slot with Sensor and Rubber Clip Method 1 Method 2 We recommend this method if more sensors must be installed During curing time of the first pre cast layer the next slots can be filled and a flat surface in 25 mm depth can be prepared meanwhile After filling bottom of the slots wait 20 30 minutes for SL Cast 90 to cure Then place sensor in the slot starting with lead attachment end Push sensor down on the SL Cast 90 with hands NEVER USE SHARP TOOLS FOR THIS The SL Cast 90 should be tacky and firm enough to hold the sensor in place Be careful not to trap any air under the sensor Sensor held in middle of slot by partially cured SL Cast 90 1041 mm SL Cast 90 Embedding Material af Asphalt or 23 26 mm Concrete Slot with Sensor Method 2 19 Repeat step 18 for all sensors 20 Mix the amount of SL Cast 90 needed to fill the sensor slots Steps 15 amp 16 21 Fill the sensor slot with SL Cast 90 Do not create any air pockets or flat holes while filling the slot 22 Use Putty Knife or Trowel to smooth the surface of embedding material until it is level with tape This must be done quickly before
4. E THROUGH CONDUIT AND DO NOT PULL HARD THE PASSIVE CABLE DO NOT PULL THE PASSIVE CABLE BY THE END CONNECTORS ATTACH SNAKE OR ROPE TO PASSIVE CABLE AT LEAST 3 FROM END CONNECTORS Be extremely careful when pulling the cable through and around 90 bends or turns Minimum bend radius for the conduit is 5 8 15mm 11 Once the passive cable is pulled to the lane controller traffic box repeat step 9 If the sensor now fails it was damaged while being pulled through conduit home run slot Replace end connectors and repeat see instruction sheet for replacing end connectors If it still fails do not install sensor 12 Place sensor in slot to ensure length and fit is correct The sensor should have space at least 1 5 5mm between it and the slot wall on both sides 13 Remove sensor from slot and place on tape Remove the rubber sensor clips from bag and fix the clips on the sensor in 5 7 150mm 180mm intervals Installing and Encapsulating the Sensor 14 Place passive cable inside home run slot and seal slot with foam backer rod to keep SL Cast 90 from seeping out of the sensor slot into the home run slot 15 Using a low speed mixing drill 600 800rom with a mixing paddle premix component 1 black of the SL Cast 90 for two minutes Be sure to keep air bubbles out of component while mixing 16 Add all of component 2 clear hardener into can of component 1 Mix for at least 1 minute with low speed drill 600 800rpm with a mi
5. GGER 8 4 Ob 32 Use Voltage Meter to check voltage between terminals 0 and 1 and terminals 8 and 9 Voltage should equal voltage supplied to terminals 1 and 9 if taken from the same source Also check monitor voltage by using the Voltage Meter to check the voltage between terminals 3 and 4 This DC voltage should be greater than 250mV A voltage less than 250mV means that the light attenuation of the transmission path exceeds the limit needed for proper operation of the triggering circuit In this case consult Sensor Line 33 Hook up the oscilloscope to terminals 2 and 8 or 9 for digital pulses or terminals 2 and 5 for analog signals and view waveforms as the vehicles pass The waveforms should be clear of any noise Sensor Line Gesellschaft f r optoelektronische Sensoren mbH In der Scherau 1 86529 Schrobenhausen Germany Tel 49 0 8252 8943 0 Fax 49 0 8252 8943 11 Email info sensorline de HP www sensorline de SENS n LINE EXAMPLE WAVEFORMS Repairing Damaged Sites Damaged installations low SL Cast 90 level cracks in surface can be repaired by adding SL Cast 90 Use an angle grinder or a belt sander to rough up the top of the area where the SL Cast 90 is to be added This will ensure a good chemical bond between the two surfaces Important notice Our support by means of speech literature and tests is performed to our best knowledge but has to be regarded as not binding statements also with regard to thi
6. SENS n LINE Installation Manual for Fiber Optic Traffic Sensors in SL Cast 90 Site Environmental Requirements The installation site should be in the following condition 1 2 3 4 The road surface in the area must be a continuous plane in undamaged condition Existing track deformations ruts should not be deeper than 2 15mm over the whole sensor length The slope of the road surface can have a height of 3 8 10mm Slots must not cross over separate road surface sections The environmental conditions should be as follows 1 2 NEVER INSTALL SENSORS IN THE RAIN The ideal ground temperature is between 50 to 90 F 10 C and 35 C Main Important Instructions for SL CAST 90 1 2 3 4 9 6 7 ALWAYS stir Component 1 Black stuff before adding component 2 for approximately 2 minutes with a mixing spiral Diameter 6 8 cm Avoid high RPM to prevent air from being mixed in We recommend 600 800 RPM for 2 minutes Note Lower speed requires more time Stir all of the stuff in the can Fill all of component 2 into the can of component 1and stir it with low speed too 600 800 RPM at least for one minute better 2 minutes Note Proper and homogeneous mixing ensures curing of all parts SL Cast 90 is sensitive to water therefore dried slots are required Otherwise adhesion will be disturbed Required Tools and Equipment Safety Equipment as per local regulation Sensorline
7. rd party rights and does not entitle you not to check by your own means our delivered products upon their suitability for the envisioned purposes and processes Applications use and processing of our products lay beyond our control and are therefore entirely under your responsibility This disclaimer does not refer to our obligations on product quality with respect to our general conditions of sales and delivery Our leaflets are continuously updated Make sure you have got the latest edition Sometimes it may be advisable to perform application tests prior the final installation Further Information can be obtained from our technical support team Sensor Line Gesellschaft f r optoelektronische Sensoren mbH In der Scherau 1 86529 Schrobenhausen Germany Tel 49 0 8252 8943 0 Fax 49 0 8252 8943 11 Email info sensorline de HP www sensorline de
8. t without any kinks tears or breaks Lightly tug at end connectors to ensure they are not loose or broken 9 Connect light power source to one end connector and the light power meter to the other Using the 650nm or 780nm setting measure the amount of light attenuation The reading should be below 30dBm If the reading is above 30dBm consult with Sensor Line before installing sensors If you do not have a light power source and meter use an LED or other light source sunlight or overhead lights Connect the LED to one connector or hold the connector up the the light source and look for light coming out the other connector DO NOT LOOK DIRECTLY INTO THE CONNECTOR WHILE AN LED IS ON If you cannot see any light coming from the other connector the sensor is broken Consult Sensor Line for replacement repair 10 Place the sensor on the tape next to the slot Unwind the passive cable Lay it out in meanders longer than 10 ft 8 m avoiding to twist it Then place it in the home run slot If the passive cable must be pulled through a conduit pull the passive cable all the way through to the lane controller or Sensor Line Gesellschaft fur optoelektronische Sensoren mbH In der Scherau 1 86529 Schrobenhausen Germany Tel 49 0 8252 8943 0 Fax 49 0 8252 8943 11 Email info sensorline de HP www sensorline de SENS n LINE traffic box where the MA 110 is to be emplaced Pull cable slowly and steadily through the conduit DO NOT JERK CABL
9. ut of the sensor installation Ensure sensors are emplaced exactly perpendicular to the flow of traffic and that all lines are straight The sensors should not be placed any closer than 4 6 100 150mm apart in order to ensure integrity of the road surface 3 Use 1 or the 3 4 20mm Diamond Blade with spacers wet cut the slot for the sensors The slot dimensions are as follows length sensor 2 50 mm width 1 23mm 26mm depth 1 1 8 1 1 4 28mm 31mm 4 Cut the home run slots The home run slots should be centered on the sensor slots The minimum width of the home run slot is 1 4 6mm and the minimum depth is 2 12mm More than one passive cable may be run in a home run slot but the slot should be cut wider at 1 2 12mm in this case 5 Power wash and sweep all slots All slots must be very clean 6 Dry all slots with compressed air All slots and the pavement 1 300mm on either side of the slot must be completely dry Preparing Slot and Sensor for Installation 7 Place duct tape along the length of both sides of the sensor slot Tape should be 1 16 1 8 1 5mm 3mm away from the edge of the slot Repeat for all slots 8 Remove the Fiber Optic Sensor from the box Visually check the sensor for damage The sensor should not be broken or bent and outer black coating should not be ripped cut or torn Check the lead attachment for breaks Ensure that the passive cable is straigh
10. xing paddle 17 Mix only enough material to fill the bottom of the slot Pour SL Cast 90 into the slot making sure bottom of the slot is completely covered and level The top of the SL Cast 90 layer should be 1 to 3 4 from the surface of the road and level along its length SL Cast 90 will remain fluid for approximately 10 15 minutes at 68 F 20 C One 3kg kit of SL Cast 90 will fill the bottom of three 10 3m slots 18 There are two methods for emplacing the sensor in the slot Method two can be used if you have enough slots to fill to completely use one pail of SL Cast 90 or have ordered extra grout one 3kg pail can be used to fill the bottom of 4 slots for 10 8m sensors without wasting any SL Cast 90 Otherwise use Method 1 Method 1 Immediately after filling bottom of the slot place the sensor in SL Cast 90 starting with the lead attachment end Press the clips with the sensor step by step down flush to the road surface Use the Adjust Tool and press the clips with the sensor approximately 5mm down for a final position in depth Note A material layer on top of the sensor of 3 8 10 mm will ensure a sufficient sensor protection You should have 3 8 10 mm NEVER USE SHARP TOOLS TO PRESS SENSOR INTO GROUT Make sure SL Cast 90 material is pressed up between slot and both sides of the sensor REMEMBER 10 15MIN AFTER MIXING THE REMAINING SL CAST 90 IN THE CAN WILL BE TOO VISCOUS TO POUR Sensor Line Gesellschaft f r
Download Pdf Manuals
Related Search