Vision sensors forrecognition andassessment ofobjects and scenes.

Industrial imaging

www.ifm.com/gb/vision-sensors

Gesamtkatalog EN 2015_Stilvorlage LK FrutigerOT_2010 DE_GB.qxd 17.11.14 12:50 Seite 3

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Powerful like acamera system,simple like a sensor

In automation technology visions sensors

are today an integral part of assembly,

production and quality control and last

not least increase efficiency.

They are cameras with application-specific

evaluation, i.e. reliable electronic eyes

at low cost with a high degree of integra-

tion.

From the camera to the sensor.

A few years ago high-price camera sys-

tems were needed. Due to technical

developments and continuously falling

prices for components ever more intelli-

gent functions could be implemented

at low cost in an ever smaller space.

Compact vision sensors not only replace

camera systems but also offer additional

application options. For the variable

position detection of objects or scenes

they replace, for example, complex prox-

imity sensors or multiple sensor solutions

such as sensor bridges, when pallets or

crates are monitored for completeness.

Easy to integrate

One of the distinguishing features of

vision sensors is their simplicity. Whereas

image processing systems can usually only

be integrated into the production process

by qualified personnel or cost-intensive

external integrators, vision sensors can be

used without previous knowledge due to

their application-specific nature.

Easy “parameter setting” instead of com-

plex “programming” is the motto. Ready-

to-use function blocks support the

integration into the PLC. An Ethernet

process interface is used for data transmis-

sion, parameter setting and remote main-

tenance. Also, all units have switching

outputs to signal successful testing.

So vision sensors offer the same ease of

use as binary sensors.

Robust and compact

Another advantage: Due to their high

protection ratings and wide temperature

ranges ifm vision sensors can in the truest

sense of the word be brought very close

to what is actually going on. They are also

distinguished by a particularly high de-

gree of integration. In contrast to com-

plex camera solutions, all necessary

components such as illumination, optics,

evaluation and output logic are integrat-

ed into the industrially compatible

housing. Tasks such as quality control,

monitoring completeness or reading 1D

and 2D codes can easily be performed at

low cost using ifm vision sensors.

Vision sensors

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For industrialapplications

As for a toy box: The O2D vision sensorcan recognise and assign previouslydefined objects and their contours orstructures in order to check complete-ness, position and orientation.

Contour sensor

Comparable to a counting frame or sliderule, the O2V vision sensor counts allpixels of the areas of identical grey-scale values of an image.Furthermore, it can group accumulationsof certain grey-scale values to individualobjects and assess by different criteria.

Pixel counter

Today bar codes are widely used andcan be understood as font styles to beread from right to left.2D codes encode the information inthe area. Similar to a domino puzzle,unambiguous information is conveyedwhich is read by the O2I vision sensor.

Code reader

Similar to a bed of nails, theO3D 3D sensor scans the current scenein depth.These more than 23,000 measureddistance values can be used to createa multitude of virtual sensors, forexample to check that a crate is com-plete with any kind of bottles.

3D sensor

Type overviewoperating distance /field of view size

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Competence in application-specific solutionsThe right choice is decisive

Vision sensors

Comparecontours

Object recognitiontype O2D

Count pixels

Object inspectiontype O2V

Read codes

Identificationtype O2I

Detectdimensions

3D object recognitiontype O3D

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14 - 15

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For industrialapplications

6 - 7

For objects with defined geometry.For assessment of presence andcompleteness, for position detection andfor sorting tasks.Use for quality assurance in assemblyautomation and on machine tools.

8 - 9

For objects and scenes with variablefeatures.For optical level monitoring, for full /empty monitoring and fault and holerecognition.Use for quality assurance in assemblyautomation and on packaging machines.

10 - 11

For 1D and 2D codes as well as text.For monitoring processes in industrialautomation.Use in product tracking, control andidentification.

12 - 13

For the three-dimensional detectionof objects and scenes using the time offlight measurement.For the assessment of level, distanceand volumes.Use e.g. in conveying and packagingtechnologies.

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Flexible:Orientation-independent contourverification. 32 scenes with up to24 different objects can be savedin the unit.

Reliable:The sensor reliably detects thedefined geometries at close andlong range even with changinglighting conditions or back-grounds.

Safe:Password protection againstunauthorised access.

Everything at a glance:Variants with different viewingangles for different field of viewsizes in direct illumination orbacklighting method.

Light:Integrated and / or externalillumination.

Everything documented:Extensive service options withstatistics file and image tank.

Object recognition type O2DAll geometries in focus

The electronic eye

The applicationpossibilities of thecontour sensorefector dualisrange from pres-ence, position andorientation moni-toring via sortingand counting tasksto quality control.

Presence monitoring in automatedassembly: In this application, threebody clips are positioned on a panel.By monitoring the contours of severalclips, the missing parts are identified.Applications that otherwise could onlybe solved using several photoelectricsensors can now easily and reliably beadjusted and controlled by means ofonly one system.

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Monitoring presence or completenessfor assembly steps carried out manu-ally or by machine.The choice is yours: field of view sizesof 14 x 20 mm to 960 x 1280 mm for alarge range of applications from fineto rough processes.Objects can also be detected irrespec-tive of the position like the clip in thisexample.

With an intuitivestep-by-step inter-face and good /bad parts the usercan simply createa model of theobject to be recog-nised. The recog-nition softwarecompares theobject with thesaved ideal,

regardless oforientation, andtransmits theresults (good orbad, position,orientation) to thehigher-level PLC.The sensor canmanage up to32 separate taskswith a maximumof 24 models each.

In the photo onthe left thecontour sensorchecks the correctdiameter of thewheel nut drills ona brake disk.

ifm provides theuser with a wideselection of LEDexternal lighting.

Further information atwww.ifm.com/gb/object-recognition

Object recognitionfor assembly, productionand quality control

Position

Number

Models

Tolerancerange

The O2D vision sensor checks thecorrect position of small parts onautomated feeders, e.g. vibratoryconveyers, bad parts are rejected.

Horizontal andvertical coordi-nates of thefreely selectablereference point

Orientationin degrees

Objects

Sorting

Good / bad

Flexible:Extensive assessment parametersfor a reliable object inspectionby means of variable features.32 scenes with up to 24 differentobjects can be saved in the unit.

Everything at a glance:Variants with different viewingangles for different field of viewsizes.

Safe:Password protection againstunauthorised access.

Everything documented:Data logger with fault memory.

Whereas commonvision sensorscheck parts on thebasis of definedcontours (like thecontour sensorO2D) the newO2V pixel countercompares on thebasis of variablefeatures.

Object inspection O2VChecking variable

features ofobjects and scenes

The pixel counter checks the presenceor position of weld seams, weld spotsor areas that went blue in variablydegrees due to the high weldingtemperature. Even irregularly appliedmaterials such as glues or greases aredetected.

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The vision sensor checks the presenceof adhesive labels or imprints, such asproduction or best before date.The sensor also reliably detects colourmarks such as mounting points ordefect marks – applied by machine orby hand.

Instead of a de-fined contour theuser determinesrelative featuresused by the sensorto assess an objector a scene. Withinfreely selectabletolerances thesensor determinesfeatures such asarea, size, round-ness or compact-ness of an object.

Furthermore, thegrey-scale valuescan also be usedfor assessment.

The O2V visionsensor is reliablyused for the full /empty control oftransport andproduction vessels.

The photo on theleft, for example,shows a 100 %empty control of achocolate mould.

Further information atwww.ifm.com/gb/object-inspection

Object inspection forpackaging, production andquality control

Dual-sheet detection for automatedgripper systems as is frequently usedin the automotive industry is just aspossible as the counting of sheets orfastening clips.Due to their varying reflections it isdifficult to represent them by meansof a contour.

Position

Shape

Contrast

Horizontal andvertical coordi-nates of theobject’s centreof gravity

Orientation indegrees

Roundness,squareness,compactness

Homogeneity,minimum,mean and maxi-mum grey-scalevalue

Area in numberof pixels

Outer and innerradius

Size Outer and innerwidth and height

Number Objects

Holes in theobject

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High reading reliability:Automatic setting of theexposure time, adaptation bysegmented lighting for criticalsurfaces.

Intelligence in the sensor:Programmable outputs, verifiersystem reduces data transmis-sion.

Flexible connection:RS-232, Ethernet TCP/IP andEthetnet/IP interface.

Quick in the process:Object speeds of up to 7 m/s.

Compact integration:Illumination, optics, evaluationand interfaces in an industriallycompatible housing.

Easy handling:The system is configured andready for use within a fewminutes – with PC software ordirectly on the sensor.

The compact unit is installed using thesuitable mounting set and connectedto the controller (PLC) via the processinterface.Parameter setting is done via anEthernet cable using a common PC.

Powerfulidentification

Independent oforientation andnumber of codesthe multicodereader automati-cally decodes1D and 2D codes.

The new versionalso solves OCRtasks, e.g. for pro-duct identificationby type designa-tions or serialnumbers.All informationsuch as expiry

Identification type O2IReliable identification of 1Dand 2D codes as well as text

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DMC code

date or productiondate can now beread directly.Further functionsinclude the outputof the codeposition via theprocess interface,adjustable totalquality parame-ters, individualillumination set-tings for eachconfiguration in agroup, integratedfault memory andaccess protectionwith password.

The professionalsoftware of themulticode readertakes the highreading reliabilityof the Data Matrixcode to a newdimension.

Top choice forprice/performance:the multicodereader provideshigh functionalityand performanceat the price of asensor.

Optimumillumination

In addition to anautomatic expo-sure setting,manual adjustmentis also possible.Four lightingsegments can bedeactivated andactivated manu-ally. So optimumresults are achiev-ed even withhighly reflectivemetal surfaces.

One of many examples: Based on theData Matrix code, the multicodereader identifies hygienically packedcotton swabs on a conveyor beltdynamically.

Further information atwww.ifm.com/gb/multicodereader

Identification forindustrial automation

The ifm multicode reader reads many2D and 1D codes as well as text.The standardised 2D code can beapplied in different ways:printed on paper, engraved by laser ordot-peened onto a metal surface.

QR code

Bar code

OCR

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PDF code

710377582942

Award winning:The first industrial 3D sensor thatdetects objects in three dimen-sions at a glance. The sensoroperates on the principle of timeof flight measurement based onPMD technology.

Precise:The resolution of 176 x 132 pixelsresults in 23,232 distance valuesper measurement for the detailedassessment of the application.

Independent:Illumination, time of flightmeasurement and evaluation areintegrated into an industriallycompatible housing.

Easy:Switching outputs and analogueoutputs for the simple integrationinto the control environment.

Far sight:Range up to 5 m irrespective ofthe object colour, robust againstextraneous light.

Levelmeasurement:

The sensor is suit-able for contin-uous level measu-rements of non-transparent solidsand bulk materialsin tanks, silos,hoppers or inheaps. Monitoringconveyors for levelor belt usage isalso possible. Inthe measuringrange the sensordetermines thelevel via the de-fined backgroundand transmits theanalogue levelvalue or has thefunction of a pointlevel switch.

3D object recognition type O3DThe third dimension

at a glance

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User-friendly

Continuousexchange withusers and exten-sive handling testshave led to an

Monitoringcompleteness:

Consumer goodsand industrialproducts are oftendelivered inhomogeneouspackaging.If a pallet withonly one incom-plete handlingunit reaches thecustomer, theyoften return thewhole pallet.

This causes a lot ofadditional cost, inparticular in caseof perishablegoods. On thebasis of colour thesensor checks thehandling units forunderfill and over-fill. As opposed toconventional solu-tions, there isflexibility inchanging the typeor size of thehandling unit.

Objectdimensioning:

Size determinationfor volume calcu-lations or sortingapplications.Warehouse, postroom, logistics dis-tribution centre ortransport system:optimisation ofthe storage area isneeded every-where.

The sensor has thefunction of a sim-ple thresholdswitch or transmitsobject size, orien-tation and positionto the warehousemanagement orERP system.In addition, qualityparameters helpdetect damaged ordeformed object.

Further information atwww.ifm.com/gb/o3d

3D object recognition for conveyingand packaging technologies

Package dimensioningToday countless courier services chargenot only according to the actualweight of an object to be sent but alsoaccording to the object's bulkiness, i.e.according to strap length or dimension-al weight. If the dimensional weight orthe strap length exceeds the actualweight, the shipping or freight costsare calculated on this basis.

Full crate inspectionThe sensor checks handling units forcompleteness, e.g. workpiece carriers,bottle crates, outer packaging, blisterpacks or pallets.Automatic position and orientationadjustment guarantees a stablefunction even with a variable objectposition.

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Level

Complete-ness

Objectdimen-sioning

extremely simpleusability and easeof integration ofthe sensor –from ordering toreplacement.

A wiring wizardhelps with the firstset-up.

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Type overviewoperating distance /field of view size

Vision sensors

Operating distance [mm]100 400 1000 2000200

A 66 x 47B 32 x 24C 20 x 15

A 264 x 189B 128 x 96C 80 x 60

A 660 x 472B 320 x 240C 200 x 150

A 132 x 94B 64 x 48C 40 x 30

A

A

B

B

C

C

Field of view size [mm]

A wide-angle lens

B standard lens

C telephoto lens

A 1320 x 945B 640 x 480C 400 x 300

Vision sensor type Description Angle of aperturehorizontal x vertical

[°]

Order no.

Description

Accessories vision sensors

Object recognition type O2D

Infrared, wide-angle lens (A) 36 x 27 O2D222

Infrared, standard lens (B) 18 x 14 O2D220

Infrared, telephoto lens (C) 12 x 9 O2D224

Infrared, wide-angle lens (A) 36 x 27 O2V122

Infrared, standard lens (B) 18 x 14 O2V120

Infrared, telephoto lens (C) 12 x 9 O2V124

Object inspection type O2V

White, wide-angle lens (A) 36 x 27 O2V102

White, standard lens (B) 18 x 14 O2V100

White, telephoto lens (C) 12 x 9 O2V104

Infrared, wide-angle lens (A) 36 x 27 O2I303

Infrared, standard lens (B) 18 x 14 O2I301

Infrared, telephoto lens (C) 12 x 9 O2I305

Identification Typ O2I

Red light, wide-angle lens (A) 36 x 27 O2I302

Red light, standard lens (B) 18 x 14 O2I300

Red light, telephoto lens (C) 12 x 9 O2I304

Order no.

Protective glass lens E21168

Protective plastic lens for the food industry E21166

Plastic diffuser E21165

Daylight filter (for infrared types) E21172

B 2260 x 1600C 1460 x 1070

B 1130 x 800C 730 x 530

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Vision sensor type Description Angle of aperturehorizontal x vertical

[°]

Order no.

3D object recognitiontype O3D

Infrared, telephoto lens (C) 40 x 30 O3D300

Infrared, standard lens (B) 60 x 45 O3D302

Infrared, telephoto lens (C), stainless steel 40 x 30 O3D310

Infrared, standard lens (B), stainless steel 60 x 45 O3D312

500 1000 2000 3000 4000 5000

B 3390 x 2400C 2190 x 1600

B 4520 x 3200C 2920 x 2130

B 5650 x 4000C 3650 x 2670

B 560 x 400C 360 x 270

Operating distance [mm]

Field of view size [mm]

B standard lens

C telephoto lens

B

C

C

B

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