- Welotec GmbH
Contents
1. oO 30 55 80 105 130 measuring distance mm Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual OWLE EN 12 20 OWLE 5030 AE S1 OWLE 5030 AA S1 Typical resolution Sr taught measuring range Sr 175mm Sr 250mm resolution mm 50 112 5 175 237 5 300 measuring distance mm OWLE 5060 AE S1 OWLE 5060 AA S1 Typical resolution Sr taught measuring range Sr 10mm Sr 100mm Sr 250mm Sr 375mm Sr 500mm resolution mm 100 225 350 475 600 measuring distance mm Im2m networks sensors We LO I ec wireless E c g olution vision meet Typical linearity error Sr taught measuring range linearity error mm 50 112 5 175 237 5 300 measuring distance mm Typical linearity error Sr taught measuring range linearity error mm 100 225 350 475 600 measuring distance mm Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual OWLE EN weLoTec 5 1 How to teach a new range using the teach button Teaching a new measuring range Within 5 minutes after power up the button may be used to teach a new range After finishing a teach procedure the 5 minutes starts again After the 5 minutes the sensor does not respond to pressing the button Seven steps to teaching a new measuring range Press and hold the button Th2. t1 t2 t3 t4 t6 t7 t8 t9 t12 14 15 Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual_OWLE_EN 16 20 weLoTec 6 Technical data Klee eet Lee 5007 AA S1 5013 AA S1 5030 AA S1 5060 AA S1 Min Teach in range gt 10 mm yes yes Light source Laser diode red pulsed Laser class 2 Wave length Analog output 4 20 mA and 0 10 V Load resistor Uout gt 100 kO Load resistor lout lt Vs 6 V 0 02A Voltage supply range 12 28 VDC Supply current lt 100 mA bei 24V 40mA yes voltage supply only es Tightening torque IP 67 OT 50 non condensing Storage temperature 20T 70T 0 015 0 03 0 03 0 03 Typ T t fficient E EE een of MR C of MR T of MR C of MR C and measured on white ceramic sheet 3 the response time depends on the reflectivity of the object For objects with a reflectivity lt 7 OWLE 5060 AE AA S1 the response release time is increased autom atically up to max 2 8 ms Missed measurements up to 30 cycles will be suppressed During this time the analog output stays on hold xx of full scale measuring range max sunlight on a white measuring surface dimension of laser beam 4 x6 ail eae Messung range amp beam Welotec GmbH e Zum Hagenbach 7 48366 Laer e info welotec com e www welotec com Manual_OWLE_EN 17 20 weLoTec Dimensions OWLE 50xx AE S1 OWLE 50xx AA S1 e
3. Do not exceed the maximum permissible bending radius of the cable Before connecting the product electrically the system must be powered down Where screened cables are mandatory they have to be used in order to assure EMI protection When assembling connectors and screened cables at customer site the screen of the cable must be linked to the connector housing via a large contact area Laser safety LASER RADIATION DO NOT STARE INTO BEAM Wavelength 620 680nm Max av Output IimW IEC 60825 1 Ed 2 2007 CLASS 2 LASER PRODUCT Complies with 21 CFR 1040 10 and 1040 11 except for deviations pursuant to laser notice No 50 dated June 24 2007 e The laser diode installed in the OWLE emits visible red laser lights This laser belongs to the Class 2 laser standard specified by the IEC 60825 1 e Max average output power lt 1 mW Laser radiation do not stare into beam e To avoid uncontrolled laser exposure we recommended stopping the beam with a matte object For laser safety reasons the voltage supply of the sensors must be turned off when the whole system or the machine is turned off Safety concept information and limiting parameters as published in the sales documentation apply at all times Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual_OWLE_EN 3 20 weLoTec 2 Functional principle The distance measured is based on the triangulation principle The emitted laser
4. S1 OWLE 5013 AA S1 clear area clear area 15 mm 35 mm 50 mm 13mm 35 mm 50 mm diameter 10 mm diameter 10 mm OWLE 5030 AE S1 OWLE 5030 AA S1 OWLE 5060 AE S1 OWLE 5060 AA S1 clear area clear area 35 mm 50 mm diameter 10 mm 40mm 35 mm 50 mm diameter 10 mm Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual_OWLE_EN 8 20 ess Im2m ne WeL OT ec vision me s solution 4 Application hints To reach the maximum accuracy of OWLE series laser distance sensors keep an eye on the following points Measuring on rough surfaces All laser distance sensors are adjusted and linearized on a reference object The object is a white ceramic sheet with an absolutely flat surface Many objects have a surface structure that is within the resolution of the sensor or rougher In such a case the sensor with its small laser spot measures the distance including the structure in contrast to a slide gauge that measures an average For such applications we recommend to use a laser distance sensor with a laser line OWLF Flat surface distance max min Slide gauge Rough surface What can you do if you have color edges Often objects have several color edges on the surface for example text pictures grooves rust marble ate Measure with ER pan CES Laser Sensors rai e GE Ze I a 1 pun aoe sg a In the field you have no guarantee that the spot
5. enters the object the measured distance is larger than the real distance ch ele en ke gt gt che e Transparent objects Highly reflective objects The light passes the object without a Only direct reflection diffuse reflection No measurements possible No measurement is possible Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual OWLE_EN 10 20 weLoTec 5 Teaching the OWLE Every sensor is delivered with the factory setup max measuring range The teach in feature was designed to choose a smaller range within the nominal measuring range for optimizing the resolution and linearity Output current voltage and alarm output adapt to the new range Two positions must be taught The first teach in position aligns with O V or 4 mA the second position aligns with 10 V or 20 mA These teach in positions are always just at the border of the new range inside the measuring range The sensor may be taught more than 10 000 times in its lifetime e The sensor can always be reset to the factory settings e The sensor may be taught with the teach button or via the external teach input During the teach in process the red LED provides a feedback e The red LED on the back side of the sensor indicates run mode if an object is within the measuring range Attention Within 5 minutes after power on the sensor can b
6. is not falling on just a color edge that can cause a measuring fault Also when the object moves you may get an incorrect signal for each color edge it appears that the signal is unstable or has spikes In such cases we suggest to move the object or sensor take several measurement values and calculate the average The quantity of measurement values depends on the structure the moving speed and the accuracy you desire Other possible solutions gt use a sensor with the laser line OWLF gt contact Welotec GmbH Welotec GmbH e Zum Hagenbach 7 48366 Laer e info welotec com e www welotec com Manual_OWLE_EN 9 20 weLoTec What can you do if you have transparent semi transparent and highly reflective objects The measuring principle desires an object that reflects the light diffusely Semi transparent transparent and highly reflective objects do not have this feature e When measuring on semi transparent objects the light enters the object and so the measured distance is larger than the actual distance is e Light will pass through a transparent object so a measuring signal is not available e A highly reflective object only has a direct reflection and it is not possible to work with it For such an application ask the Welotec sales staff to measure these objects it is only possible if you place a diffuse reflecting surface on the object sticker etc Semi transparent objects the light
7. perpendicular to the moving direction Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual_OWLE_EN 6 20 weLoTec Ambient light Be careful that no strong light source faces the receiving field a em ia em Several sensors without mutual optical interferences Several sensors when mounted next to the other can affect each other When mounting a sensor be aware that no laser spot from another sensor is in the receiving field When mounted side by side as shown in the picture in the middle sensing distances up to 600 mm can be achieved gt I H XN S I I x st S Ss A eee ee Ce van ZE oe ee H 1 NO 4 a D N Messbereich 5 d d f AS E ee NEE een RE DE f d N i y Messbereich I N Gegenseitige Beeinflussung EN we no If it is not possible to mount the sensors the correct way use the sync input and choose the asynchronous function Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual OWLE EN 7 20 wireless Im2m networks I sensors weLloTec vision meets solution 3 1 Measuring field OWLE Size and position of the clear area see below No disturbing objects in this area Measuring range Laser beam 7 mm around the optical axis max laser beam diameter see data sheet No disturbing objects in this area OWLE 5007 AE S1 OWLE 5007 AA S1 OWLE 5013 AE
8. D will flash Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual OWLE EN 14 20 weLoTec 5 2 How to reset the factory settings using the teach button Within 5 minutes after power up the button may be used to reset the sensor back to the factory settings After finishing a teach procedure the 5 minutes starts again After the 5 minutes the sensor does not respond to the button 1 Push the button The red LED will turn on if the sensor can be taught 2 Hold down the button further 5 sec The LED will start to blink DO NOT RELEASE the button now Wait another 10 sec until the LED is ON without blinking Factory settings have been restored to the sensor 3 Release the button P p E Until button has been t1 t12 released t13 gt q Red LED 5 3 How to teach a new range using the external teach input Teaching the sensor via the external teach input is equivalent to the teaching procedure via the button There is no 5 min time limit The sensor may be taught at any time l 12 28 V i lt Teach wire t7 t8 t9 l l I I Red LED A AAN HU UU Lgmmmmg Input circuit teach in low O 2V high 12 28V 27KQ 10kQ 3V3 Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual OWLE EN 15 20 weLoTec 5 4 How to reset the factory settings using the external teach input Teaching the sensor via the e
9. beam falls on the object as a small light spot and will be reflected diffusely The position of the received light spot on the receiver a diode line defines the receiving angle This angle corresponds to the distance and is the base for the internal calculations A distance change close to the sensor effects a large change in angle the same distance change at the end of the measuring range has a much smaller effect to the angle This non linearity feature is linearized by the microcontroller The analog output signal is linear to the distance Diode line with receiving light spot L Object close to sensor Object far away The sensor adapts automatically to different object colors by varying the emitting laser intensity and optimizing the exposure time The result is a sensor that is nearly independent on different reflections different colors shiny surfaces dark objects The sensor reaches its highest accuracy if the object reflects diffusely 3 Mounting instructions e For a proper mounting the mounting surface has to be flat Be aware of the max tightening torque e In case of EMC the sensor has to be grounded and a shielded cable has to be used e The 90 rotating connecter allows wiring the sensor from the bottom side or from the rear e The max accuracy will be reached gt 15 minutes after power on Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual OWLE EN 4 20 wireless Im2m net
10. e red LED will turn on if the sensor can be taught Hold down the button for 5 more sec The LED will start to blink Release the button Place a target at the first new position of the measuring range This is the position that will later produce 0 V or 4 mA Briefly press the button again The LED will stop blinking and will stay on for about 3 sec to indicate that the first position has been stored Then the LED will blink again 6 Now place the target at the second position the other end of the new range which will produce 10 V or 20 mA 7 Briefly press the button again The LED will stop blinking and will stay on for about 3 sec to indicate that the second position has been stored The LED will then turn off and blink once more Now the sensor is ready to measure a ek a The new smaller operating range is now set The red LED now indicates whether an object is within the new range LED OFF or not LED ON If one of the new borders of the range was outside the standard range or the two positions were too close to each other then the new settings are not valid The sensor will respond with an extended blinking at the end of the teach procedure The previous settings are still valid and the new settings are lost Timing of the teach procedure GO OG 6 ad P d P P If teaching was successful t1 t2 t3 t4 OO E a the LED will be on red LED t6 lc GI If the teaching was not possible the LE
11. e taught via the button or the teach in wire After 5 minutes the teach in button will be locked preventing accidental adjustment The teach in wire is active all the time Example of a taught measuring range Analog out Example 10V 20 mA EEN ofa aan Ee ae erde C ehe Standard output taught E curve output OV 4mA i curve 1 LED 30 mm 130 mm Example of a reverse taught measuring range Analog ou esemega EXAMplE dl eneenaeagl 10V 20mA 1 3 a r versed Standard output gt output curve curve i I l I OV 4mA ai E T l LED 30 mm 130 mm Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual OWLE EN 11 20 OWLE 5007 AE S1 OWLE 5007 AA S1 Typical resolution Sr taught measuring range resolution um 30 40 OWLE 5013 AE S1 OWLE 5013 AA S1 50 measuring distance mm Typical resolution Sr taught measuring range resolution um 30 55 80 sensing distance Tw mm 60 105 70 130 Im2m networks sensors wireless Q c g olution vision meet Typical linearity error Sr taught measuring range linearity error um 40 50 60 measuring distance mm Typical linearity error Sr taught measuring range linearity error um 250 200 b an oO oO oO an
12. mitter axis 16 mm 7 Connection diagram and pin assignment Connection diagram Pin assignment Vs Lu DM Oo PO A teach in 8 Grounding concept For maximum EMC protection and reliable application use a shielded cable Also the sensor has to be grounded We recommend the grounding concept as shown in the picture Ground the sensor with a toothed washer between the screw head and the sensor e electrical connection Power supply A D Converter lf you prefer another grounding concept please contact your Welotec sales staff Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual OWLE EN 18 20 weLoTec 9 Service notes The OWLE requires no maintenance apart from keeping the front windows clean Dust or fingerprints can impair the sensor function It is normally sufficient to wipe the windows dry with a clean soft cloth Alcohol or soapy water may be used for heavy soiling 10 Accessories Connecting cable straight ZWK D12 GK 25 S length 2 m ZWK D12 GK 55 S length 5m Please note For the four above connecting cables the shielding wires are all terminated in the connector If you prefer to not have them terminated please consult the factory Mounting bracket ZWH OWLE OWLF 11 Troubleshooting Error DO Possbereson Correction lt o The sensor does not teach in wire is connected to Connect the teach in wire to 0 V an object edge step field N
13. o receiving signal transparent or highly reflective object reflecting surface incorrect measuring between two or more sensors receiving field of the sensor measure values Strong ambient light Prevent ambient light with a shield Semi transparent transparent or Make sure that the laser spot falls on a diffuse caan a reflective objects Case E mme surface The sensor does not Rough surface 000000 surface Possibly use a sensor with laser me use a sensor with laser line reach the accuracy Color edges Mount the sensor the correct way Resolution of the A D converter in Read the manual of the control unit the control unit Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual_OWLE_EN 19 20 wireless Im2m networks I sensors WeLOTeC vision meets solution Welotec GmbH Zum Hagenbach 7 D 48366 Laer www welotec com info welotec com Fon 49 0 2554 9130 00 Fax 49 0 2554 9130 10 Technical data has been fully checked but accuracy of printed matter not guaranteed Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual _OWLE EN 20 20
14. weLoTec User Manual Laser distance sensor series OWLE Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual OWLE EN 1 20 English O ON O A FPF WO N om pech O wireless m2m networks sensors WeLOTeC vision meets solution MSC IVC FAN TOC Seen Tinten oem EEEE DIE EEKEREN EREE mavens 3 late e lit UB DEINC PIE ee een 4 NOUNELNG BI Ed RL de Tu E 4 PAD DING ATOM UNS ern EE rRNR ARENAN 9 Teaching ne Eege EE 11 Se aler e e EE 17 Connection diagram and pin assignment uuzuu22n000nuonnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnannnn nennen 18 Grounding CONGO EE 18 SEENEN 19 MECESSOTIES deeg 19 ITOUDIESHODOLNG E 19 Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual_OWL E EN 2 20 weLoTec 1 General notes Rules for proper usage This product is a precision device which has been designed for the detection of objects and parts It generates and provides measured values issued as electrical signals for following systems Unless this product has not been specifically marked it may not be used in hazardous areas Set up Installation mounting and adjustment of this product may only be executed by skilled employees Installation Only mounting devices and accessories specifically provided for this product may be used for installation Unused outputs may not be connected Unused strands of hard wired sensors must be isolated
15. works sensors WeLOTeCc vision meets solution Steps edges ad A When measuring right next to steps edges it is important that the receiving beam is not covered by the steps edges This also applies to depth measurements of holes or valleys Mounting above shiny surfaces On shiny surfaces it is important that no direct reflection can get to the receiving optics The reflection could blind the sensor and produce poor results To prevent this the sensor may be slightly tilted The direct reflection can be seen on a white piece of paper when held in front of the receiver 10 15 ARE Mounting above round shiny surfaces a v4 amp Welotec GmbH e Zum Hagenbach 7 e 48366 Laer e info welotec com e www welotec com Manual OWLE EN 5 20 wireless Im2m networks I sensors WeLOTeCc vision meets solution Shiny objects with a constant structure Especially shiny objects with a constant structure lathed or scuffed objects extruded aluminum profiles etc could have a negative effect on the measuring result Objects with color edges in the same direction When color edges are orientated in the right direction the effect to the measuring result will be minor If the color edges are in the wrong direction the effect will depend on the reflectivity of the different colors AC e MWM a I DI A Profile measurement For profile measurements the sensor axes should be
16. xternal teach input is equivalent to the teaching procedure via the button There is no 5 min time limit The sensor may be taught at any time 12 28 Vi Teach in wire wi OV l l Description of timing functions Using the button this feature can only be used Minimum button hold time to enter within 5 minutes after power up Using the teach mode external teach input it may be used at any time If the button has not been pushed during this interval the sensor will leave the teach mode without any changes S approx 3 s position Maximum waiting time after teaching If the button has not been pushed during this the second position lt 20s interval the sensor will leave the teach mode without any changes Maximum waiting time after teaching the first position LED Blinking for NOT OK response O Be after teaching the second position PP Additional high time fort he external l Dale ls teach in Fulse lengths on external teach input 30 2000 ms for first position Pulse lengths on external teach input 30 2000 ms for second position Minimum blinking time for the reset IER to factory settings with button 13 Blinking time after reset to factory settings Minimum blinking time for the reset t to factory settings with external 10 s teach input Minimum high time of the external t teach input after LED stops blinking for reset to factory settings As long as the button is down or the external teach input is high
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