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IFM Electronic OPD100, Operating Instructions Manual

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IFM Electronic OPD100 Operating Instructions Manual Download Page 18

18

8.1  Guided Teach

Guided T

each 

1 

[Welcome, choose 

your language]

[English]

[Deutsch]

[Français]

[...]

[Place object and 

press confirm]

[Save this object 

profile?]

[Back]

[Confirm]

[Back]

[Region of interest]

[Position reference 

profile]

90

%

100

%

[Define ROI]

[Confirm]

[Back]

[Floating]

[Fixed]

[Back]

[Adj. Threshold]

[Save settings]

[Back]

100

%

85

%

RUN

85

%

90

%

= [ENTER]

= [Up] button     

= [Down] button

Summary of Contents for OPD100

Page 1: ...Operating instructions Photoelectric distance sensor OPD100 80289779 01 10 2020 UK ...

Page 2: ...on with IO Link master 11 4 1 3 Operation with the Vision Assistant parameter setting software and an IO Link master 11 5 Installation 12 5 1 Installation conditions 12 5 2 Installation instructions 12 5 2 1 Lateral inclination 12 5 2 2 Front inclination 13 5 2 3 Saturation and signal loss 13 5 2 4 Avoidance of multiple reflections 14 5 2 5 Avoidance of soiling and ambient light 14 6 Electrical co...

Page 3: ... functions 30 11 2 Parameter level extended functions 31 11 2 1 Submenu Configuration 32 11 2 2 Submenu Display 33 12 IO Link 34 12 1 General information 34 12 2 Device specific information 34 12 3 Parameter setting tools 34 12 4 Functions 34 13 Troubleshooting 35 13 1 Error indications in the display 35 13 2 Error indications in the Vision Assistant software 35 13 3 Other types of incorrect behav...

Page 4: ... the product is suitable for your application without any restrictions Improper or non intended use may lead to malfunctions of the unit or to unwanted effects in your application That is why installation electrical connection set up operation and maintenance of the unit must be carried out by qualified personnel authorised by the plant operator In case of malfunction of the unit please contact th...

Page 5: ...iption The sensor projects a laser line onto the object and determines the height profile of the object along the laser line by means of the triangulation principle The object to be detected has to be in the sensor s operating range The sensor has a trapezoidal operating range with the following dimensions distance to the sensor Z direction 150 300 mm length of the profile X direction for an objec...

Page 6: ...The ROI markings are not visible if the sensor is controlled via the Vision Assistant software 3 1 1 Teaching and height profile In the first step the sensor is taught teaching process The entire height profile covered by the laser line is captured The user can then further narrow the ROI The height profile of this ROI is saved as taught reference profile In the next step the sensor continually de...

Page 7: ...0 mm reference height The reference point for the reference height is the optical zero point of the transmitter It is inside the sensor Example The distance between the sensor and the object is approx 200 mm In the Vision Assistant software the height profile has a base height of approx 100 mm Profile heights are referred to the reference height and therefore have positive absolute values All data...

Page 8: ...ching value to be tolerated must be determined by the user during set up and should be used as switching threshold for the following differentiation good parts bad parts The transition between good parts and bad parts is determined by measurement and used as switching threshold No particular switching threshold is recommended It has to be determined according to the respective application 3 2 1 Fl...

Page 9: ... height profiles are internally detected by the sensor with a higher resolution than Gz Gx Changes in object height width can therefore be detected within the measurement uncertainty 3 3 Applications The photoelectric sensor is particularly suitable for process quality assurance more precisely monitoring of workpiece shapes and fault detection Examples Monitoring of the processing quality e g diam...

Page 10: ...an be used in three different modes of operation switching mode 4 1 1 operation with an IO Link master 4 1 2 operation with the Vision Assistant via the IO Link interface 4 1 3 4 1 Operating modes 4 1 1 Switching mode In switching mode the sensor is directly connected to the process control unit and transmits information on good part bad part via the switching output If the set switching threshold...

Page 11: ...ata packages and transmitted in a sequence of IO Link data frames The ifm software package Vision Assistant includes a corresponding protocol handler that combines the profile images and visualises them This simplifies the teaching process guided teach as the detection zone of the sensor and the assessment of the profiles is visualised base on the profile images Prerequisite IO Link master ifm par...

Page 12: ...ww ifm com Data sheet Accessories 5 2 Installation instructions 5 2 1 Lateral inclination 1 1 dead zone due to shadowing Fig 4 The sensor should be aligned as vertically as possible to the object to be detected In case of lateral inclination Fig 4 and vertical object edges the laser line will be partially interrupted The profile cannot be detected in this area You can avoid this by reducing the in...

Page 13: ...ing the sensor by 180 The use of the Vision Assistant software facilitates the detection of such problems 5 2 3 Saturation and signal loss The sensor automatically sets the exposure time for the capture of the height profile so that saturation is avoided Highly reflective surfaces lead to extreme contrasts In some cases this may lead to individual points within the ROI not being detected Avoid sig...

Page 14: ...the front lens facing downwards or parallel to the earth s surface Background Photoelectric sensors are sensitive to direct radiation of light sources Everyday light sources lamps sun radiate from above Photoelectric sensors react sensitively to soiling as it reduces the excess gain Dust deposits can be reduced by downwards or sideways orientation This allows for longer cleaning intervals Make sur...

Page 15: ... 1 2 4 5 3 OUT2 OUT1 IN1 L Core colours of ifm sockets 1 BN brown 2 WH white 3 BU blue 4 BK black 5 GR grey Pin Continuous mode factory setting Triggered mode 1 VDD VDD 2 OUT2 switching output OUT2 ready signal switching output 3 GND GND 4 OUT1 switching output IO Link OUT1 switching output IO Link 5 trigger input of the PLC trigger input of the PLC In the operating mode Continuous mode OUT1 and O...

Page 16: ... the unit is not compatible with master port class B type B Pin 2 and pin 5 are used for manufacturer specific functions That means that the main supply voltage of the unit and the additional voltage supply master port class B on pins 2 5 are not electrically isolated With the following configuration the unit can be used with master port class B Connect unit and IO Link master via 3 wires Connect ...

Page 17: ...the Guided Teach 8 1 The settings made last are internally stored by the sensor When the sensor is switched on for the first time after a reset it will also start with the Guided Teach as the taught reference profile is deleted in case of a reset Lifetime of a laser diode 50000 hours After successful teaching the sensor should not be moved again Any change of the sensor position will lead to the t...

Page 18: ...ish Deutsch Français Place object and press confirm Save this object profile Back Confirm Back Region of interest Position reference profile 90 100 Define ROI Confirm Back Floating Fixed Back Adj Threshold Save settings Back 100 85 RUN 85 90 ENTER Up button Down button ...

Page 19: ...Down button and press ENTER Confirm Taught profile is saved Back Teach the profile again The object should not be moved during measurement The end of the measurement is not only indicated in the display but also via the laser line flashing twice If the object to be detected is outside the operating range e g closer than 150 mm or farther away than 300 mm the teaching process is stopped The message...

Page 20: ...lected section is detected again new profile Set right ROI mark is displayed Move the green marking line using the Up or Down button The right marking line shifts After reaching the requested position confirm with ENTER The position of the right marking line is set The selected section is detected again new profile Red line indicated in the display represents the section covered by the laser line ...

Page 21: ...le is searched across the entire detected height profile The taught reference profile can be successfully detected along the X and Z axis despite a change in position Marking function During teaching the ROI is indicated via two vertical marking lines projected in green ROI markings This way the user can see what section of the laser line is defined as ROI After teaching has been finished the mark...

Page 22: ...these measurement fluctuations cause the matching value to be 100 even if the taught object is measured again 3 2 1 The options Adjust threshold Save settings and Back are displayed Select an option using the Up or Down button and press ENTER Adjust threshold Set the value for the new threshold using the Up or Down button and press ENTER Save settings Set up is completed and the sensor is put to t...

Page 23: ...good part matching value indicated in green if matching value switching threshold bad part matching value indicated in red if matching value switching threshold Visually via the switching status indication colours according to the set function Switching output Depending on the set function OUT1 is switched or not switched 90 100 1 xxxyyyzzz 1 status line In the status line of the display the measu...

Page 24: ...24 9 Menu 9 1 Basic functions RUN Guided Teach 1 2 Adj threshold 0 100 ROI Markings New Profile Back Ext Functions YES NO YES NO 85 90 ENTER Up button Down button ...

Page 25: ... Teach CFG Factory Reset Device Info Configuration DIS Display Back NO Serial number Hardware version Software version FE Software version BE Software version COM IO Link version Operating hours Start counter YES ENTER Up button Down button ...

Page 26: ...CFG Configuration Integration Time Trigger Mode Trigger Delay 0 5000 ms Trigger source HW PDOUT CONT TRIG AUTO 10 Output Function High active Low active Output Logic PNP NPN Back ENTER Up button Down button ...

Page 27: ...ck Language EN DE FRA ENTER Up button Down button 10 Operating modes 10 1 Continuous mode The default mode is the Continuous mode The sensor continually measures and compares the measured profiles to the taught reference profile taking into account the switching threshold ...

Page 28: ...smitted physically via pin 5 or via IO Link The sensor then signals the successful start of the measurement and a little later the availability of the switching information via switching output 2 ready signal or IO Link The higher level control unit has full control of the assessment time Fig 7 1 5 6 7 5 6 7 2 3 4 Fig 7 1 time 2 trigger signal 3 ready signal 4 switching signal 5 positive trigger e...

Page 29: ...rigger delay delays the start of the measurement referred to the external trigger signal This does not affect delay the ready signal provided by the sensor 11 Parameter setting During parameter setting the unit remains internally in the operating mode It continues its monitoring function with the existing parameters until the change has been completed For the factory settings please refer to the e...

Page 30: ...the entire operating range 8 1 4 Confirm the parameter with ENTER and select one of the options NO YES using the Up or Down button Confirm your selection by pressing ENTER Depending on the setting made the green ROI markings on the laser line are activated deactivated No marking lines are indicated if the sensor is controlled via the Vision Assistant software New Profile Teach a new profile Confir...

Page 31: ...h the information lines using the Up or Down button Configuration Configuration of the operating mode and the switching outputs 11 2 1 Confirm the parameter with ENTER The display changes to the configuration settings Select one of the following options using the Up or Down button 1 Trigger Mode 2 Trigger Source 3 Trigger Delay 4 Integration Time 5 Output Function 6 Output Logic 7 Back Display Con...

Page 32: ...under Output logic PDOUT The input signal is transmitted via the IO Link master IO Link operation Trigger Delay Set the delay time of the trigger signal until the start of the measurement Confirm the parameter with ENTER and select the desired value 0 5000 ms using the Up or Down button Confirm your selection by pressing ENTER The delay time is confirmed Integration Time Set exposure time Confirm ...

Page 33: ...s PNP NPN using the Up or Down button Confirm your selection by pressing ENTER The switching logic is confirmed Back Finish parameter setting Confirm the parameter with ENTER Display changes to Configuration 11 2 2 Submenu Display Brightness Set display brightness Confirm the parameter with ENTER and select one of the options ON OFF using the Up or Down button Confirm your selection by pressing EN...

Page 34: ...the parameters of the unit during operation In addition communication is possible via a point to point connection with a USB adapter cable You will find more detailed information about IO Link at www ifm com 12 2 Device specific information You will find the IODDs necessary for the configuration of the IO Link unit and detailed information about sensor values diagnostic information and parameters ...

Page 35: ...n the Vision Assistant software Display Possible cause Solution Low amplitude The data points of the detected laser line have a very low intensity If all 352 data points are concerned Object is outside the operating range or is extremely dark Check the distance to the object If only a few data points are concerned Object features large differences in luminosity Due to the characteristics of the ob...

Page 36: ...If possible darken the background Change the position of the sensor or the object Too near far Data points outside the operating range in Z direction 150 mm 300 mm Place the object within the operating range 150 300 mm The profile images detected consist of 352 data points Faulty data points are indicated as a dashed line in the Vision Assistant These data points are not used for determining the m...

Page 37: ...in Any change in position will lead to the taught reference profile not being recognised reliably Teach the sensor again Sensor has been taught successfully However the matching value is significantly lower than 90 for very similar workpieces The new workpieces may have slightly different surface characteristics e g reflective surfaces Incline the sensor slightly frontally or laterally and teach i...

Page 38: ...use dispose of the unit in an environmentally friendly way in accordance with the applicable national regulations Do not open the module housing There are no user serviceable components inside 15 Scale drawing M12x1 78 28 28 5 17 48 65 40 88 104 28 5 1 2 3 4 Dimensions in mm 1 programming buttons 2 colour display 3 transmitter 4 receiver ...

Page 39: ...tinuous measurement TRIG external trigger CONT Trigger source HW PDOUT HW Trigger delay ms 0 10 5000 0 Integration time step Auto 1 2 10 Auto automatically set by the sensor Output function High active Low active High active Output logic PNP NPN PNP Brightness ON OFF ON Colour G1ou r1ou White Red Green G1ou Language EN DE FR EN Technical data and further information at www ifm com ...

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