Erhardt+Leimer OL 80 Manual de usuario

Description B

CCD array camera OptoLine OL 80..

BEA--220265-EN-04

1. General

instructions 2

2. Typereferences 2

3. Function 3

4. Cameracontrols 6

5. Assembly 7

5.1 Determiningscanningdirection 7

5.2 Determiningcamerameasuringrangeanddistance

betweencameraandweb 7

5.3 DeterminingthelighttransmittersizeanddistanceM

betweenthelighttransmitterandcamera 8

5.4 Cameraassembly 9

5.5 Lighttransmitterassembly 9

5.6 Determiningthebackground 10

5.7 Mountsupportroller 10

6. Installation 11

7. Commissioning 11

7.1 Positioncamera 12

7.2 CheckwiringCheckwiring 12

7.3 Checksupplyvoltage 12

7.4 SetcameraCANaddress 12

7.5 Positionthewebedgeinthecameravisualrange 13

7.6 Setthecameraapertureandfocusing 13

7.7 Cameraconguration 16

7.8 Cameracalibration 20

7.9 Widthmeasuringfunctioncalibration 23

7.10Performapplication-dependentsettings 23

8. Operation 26

8.1Specifysetpositionvalueforguiders 26

9. Camerastart-upresponse 27

10.Paramterlist(Excerpt) 28

11.Errormessages 30

12.Maintenance 31

13.Technicaldata 31

BPage2 BEA--220265-EN-04

CCDarraycameraOptoLineOL80..

1. General

instructions

1.1 Description ThisdescriptionappliesforallCCDarraycamerasintheOL80..se-

ries.Itexplainsthestandardoperationforwidthmeasuringandweb

guidingwithoneortwocamerasonamovingweb.

Keepthedescriptioninasafeplace,accessibletopersonnelatall

times.

Thedescriptionispartofthepackagesuppliedandshouldberead

carefullypriortoassembly,operationandmaintenancework.

➜jobstobeperformed

important information and instructions

TheCCDarraycameraOptoLineOL80..shouldonlybeoperated

byqualiedpersonnelorsuitablyinstructedpersons.

CCDarraycamerasintheOL80..seriesareonlydifferentiatedby

theirvariouslenses(measuringranges).Thefunctionofthecameras

isidentical.Thersttwodigitsofthetypereferenceindicatethecam-

eraresolution(80=8192),thethirdandfourthdigits,thelensfocal

length.

Example:OL8028

 focallength28mm

1.2 Explanation of symbols

1.3 Operation

2. Type references

BEA--220265-EN-04 BPage3

CCDarraycameraOptoLineOL80..

3. Function

3.1 Purpose

3.2 Design

TheCCDarraycameraOptoLineOL80..wasdevelopedforcon-

tact-freepositionmeasuring.Itdetectsthepositionofcontrasts(edg-

es,lines,utesorgrooves)onamovingweb.Themeasuringresult

canbeusedforwidthmeasuring,webguiding,followingupactuators

ortoolssuchascuttersetc..

Inthisdescriptionthecameraandstandardoperationforwidthmea-

suringandwebguidingwithoneortwocamerasisexplained.Spe-

cialisedapplicationsdesignedbyE+Laredescribedseparatelyinthe

systemspecicationsoroperatinginstructions.

Awidth measuring systemconsistsof:

- oneorseveralcameras

- asetofcables

- oneortwolighttransmitters

- aDO002.remotedisplay

Aweb guiding systemconsistsof:

- oneorseveralcameras

- asetofcables

- oneortwolighttransmitters

- anE+Lcontrollerwithcommandstation

3.3 Operating principle

Frontlighting Backlighting

Scanningmethodes Twodifferentscanningmethodsareusedtodetectcontrasts,front-

lightingandbacklighting.Themethodapplieddependsontheindi-

vidualjob.

Withthe frontlighting methodthelighttransmitterandcameraare

onthesameside,eitheraboveorbelowtheobject.Thecamera

catchesthelightreectedbytheobjectfromthelighttransmitter.

Whenfrontlightingisused,outeredgesandlines,utesorgrooves

canallbedetected.

BPage4 BEA--220265-EN-04

CCDarraycameraOptoLineOL80..

Withthebacklighting methodthelighttransmitterispositioned

behindtheobjecttobescanned,asseenfromthescannedobject.

Inthecaseofnon-transparentmaterials,onlytheouteredgesare

detected.

Thefollowingappliesforbothmethods:

Whetheroneortwocamerasareusedtoestablishthepositionde-

pendsontheresolutionandwebwidthrequired(seeblockdiagram).

Whatisimportantisthatwhenwidthmeasuringorwebguidingwith

onecamera,bothwebedgesarealwaysinthecameravisualrange.

Whenwidthmeasuringorwebguidingwithtwocameras,oneweb

edgeeachmustbeinthecameravisualrange.

Thecenterpieceofthecameraisachargecoupleddevicewith2048

pixels.Theindividualpixelsconvertthelightshedintosignalvoltag-

es.Contrastchangesinthecamerameasuringrangesuchasaweb

orprintedlineonawebcauseachangeinthevoltage.The

cameracandetectupto30contrastchangesinitsmeasuringrange,

regardlessofwhetherthesearecausedbyoneorseveralwebs.See

g.onpage5.

Amaximumof8measuringvaluescanbeoutputonthebasisofthe

positionsrecorded.Ameasuringvalueisacontrastposition(e.g.the

webedgeposition)orthecenterbetweentwocontrasts(e.g.theweb

orlinecenterposition).

Thebuilt-inlightcontrollermakesthecamerapracticallyimpervious

tosoilingcausedbydustandenvironmentalfactorssuchassteamor

ambientlightuctuations.

Alldatatothecamera(camerasettings,measuredvalueselection)

andfromthecamera(measuredvalueposition,errormessages,

statusinformation)aretransferredviaaCANinterface.TheCAN

controllerisbuiltintothecamera.Thein-houseE+Lprotocolisused

ontheCANbus.Couplingtootherbusesorunitinterfacesises-

tablishedviaspecialinterfacemodulesthatcanbeattachedtothe

CANbus.Twokeysanda16-bitLEDdisplayareavailableforbasic

operatingfunctions,settingtheCANaddress,focusingthecamera

anddisplayingthemeasuredvalueposition.Furthersettingsareper-

formedviaanE+LcommandstationDO..orRT...

*CCD=Charge-Coupled-Device

BEA--220265-EN-04 BPage5

CCDarraycameraOptoLineOL80..

Frontlightingprinciple

Pixel1

CCD-camera

Scanonoscilloscope

Edge Printedline(dark)

Lighttransmitter

Web(light)

CCDcamera

visualrange

1Edge

2/3Line

Background

2 3

2048 Scanningdirection

BPage6 BEA--220265-EN-04

CCDarraycameraOptoLineOL80..

4. Camera controls LED display

Innormalmode,theLEDdisplayindicatesthepositionofthemea-

suredvalue(e.g.thewebcenter)inthecamerameasuringrange.In

theeventofmalfunctions,itindicatesvariouserrors,seeerrormes-

sagessection.

Arrow

TheLEDonthearrowindicateswhenthecameraisreadyforop-

eration.Whenconnectedtothepower,itlightsupreduntilcamera

initializationiscomplete.Whenthecameraisreadyforoperationit

lightsupgreen.

GRP key

UsetheGRPkeytosetthegroupnumberandfocusthecamera,see

the"SettingthecameraCANaddress"and"Focusingthecamera"

sections.

DEV key

UsetheDEVkeytosetthecameradevicenumber,see"Settingthe

cameraCANaddress"section.

TheDEVkeyisalsousedtosetwhichmeasuredvalueistobein-

dicatedontheLEDdisplay.PressandholddowntheDEVkey.The

addressofthemeasuredvaluecurrentlybeingdisplayedisindicated.

Theaddressesofallconguredmeasuredvaluesaredisplayedin

sequenceat5secondintervals.Releasethekeyoncetheaddressof

therequiredmeasuredvalueappears.



Other settings by the E+L Setup Editor.

The setup editor is a software tool for calibrating and con-

guring E+L CAN modules such as camera OL 80.. . In setup

mode parameters can be displayed and some changed as

well. Setup mode is accessed via a command station DO ....

or operator panel RT .... . See description "CAN-Bus, serial

bus and setup editor".

If the cameras are used only for width measuring, i.e. the

system only has a remote display DO 002. (no E+L controller

DC..), the device number of the remote display must always

be 5 (device 5). Only then can the setup editor be started.

Cameracontrols

BEA--220265-EN-04 BPage7

CCDarraycameraOptoLineOL80..

5. Assembly Please observe the locally applicable and professional safety

and accident prevention regulations.

Assembly procedure:

5.1 Determinescanningprocedure

5.2 Determinecamerameasuringrangeanddistancebetween

 cameraandweb

5.3 Determinethesizeofthelighttransmitterandthemaximum

 distancebetweenthelighttransmitterandcamera

5.4 Assemblecamera

5.5 Assemblelighttransmitter

5.6 Determinebackground,mountblackscreenasrequired

5.7 Mountsupportrollerasrequired

Selectfrontlightingtoscanlinesortransparentwebs,edgeson

opaquewebsshouldbescannedusingbacklighting.Inbordercases,

thesuitablescanningprocessshouldbeselectedbytrialanderror.

ThedistanceKbetweenthecameraandwebinuencesthecamera

measuringrange:

- theshorterthedistance,thesmallerthemeasuringrange

- thesmallerthemeasuringrange,themoreprecisethemeasure-

ment(resolution)

Thefollowingdiagramwillhelpyoudeterminethedistancebetween

thecameraandwebforassemblypurposes.

The dimensions in the diagram are approximate.

5.1 Determining scanning

direction

5.2 Determining camera mea-

suring range and distance

between camera and web

OL 8024

OL 8028

Measuringrange

incms

Distancebetweencamera

andwebKincms

OL 8050

Web

Distancebetweencameraandweb

BPage8 BEA--220265-EN-04

CCDarraycameraOptoLineOL80..

5.2.1 Systems with one camera:

5.2.2 Systems with two cameras:

The web must never lie outside the camera measuring range.



TheE+Llighttransmitterisavailablewithone uorescenttube

(FS16.1) andwithtwouorescenttubes(FS16.2).Ifsufcient

spaceisavailable,thelighttransmittershouldalwaysbeusedwith

twouorescenttubes.

Whenselectingthelighttransmitter,pleaseobservethefollowingcri-

teria:

- distanceKbetweenthecameraandweb

- distanceLbetweenthelighttransmitterandweb

- thelighttransmitteroperationalrange

measuringrange=max.webwidth+max.webmovement**+safety*

measuringrange=max.webwidth-min.webwidth+max.webmovement**+safety*

*Dependingontheapplication,asafety

clearanceof50-100mmmustbeal-

lowedforineachcase.

**Onapplicationswithanactuating

element,e.g.pivotingframe,thestroke

mustbetakenintoaccountwithregard

towebmovement.

5.3 Determining the light

transmitter size and dis-

tance M between the light

transmitter and camera

CCDcamera

...notusable

100mm...

Operationalrange

Web

Lighttransmitter

CCDcamera

visualrange

Distances:camera-Lighttransmitter-Web

DistanceKbetweenthecameraandwebisdeterminedbythemea-

suringrange.DistanceLbetweenthelighttransmitterandwebdeter-

minesthescanningprocess.

Whenusingfrontlightingthedistancebetweenthelighttransmitter

andthewebshouldbeasshortaspossibletocapturethemaximum

amountoflight.Thefollowingappliesforbacklighting;theshorter

thedistancebetweenthelighttransmitterandtheweb,thegreater

thedangerofdirtbeingsharplydepictedonthelighttransmitter,

causingincorrectmeasurements.Werecommendaminimumdis-

tanceof100mm.

The camera visual range must always be located in the light

transmitter operational range. On E+L light transmitters, the

outer 100 mm are not usable for the cameras.

Measuringrange

BEA--220265-EN-04 BPage9

CCDarraycameraOptoLineOL80..

Thelongerthelighttransmitter,thegreaterthegapwillbe.Themaxi-

mummountingdistancecanbecalculatedasfollows:



Ifthecameralooksdownonthewebfromabove,itshouldbemount-

edsothatthearrowonthecameraoperatingcontrolspointsinthe

directionofwebtravel.Ifthecameralooksuptothewebfrombelow,

thearrowshouldpointintheoppositedirectiontothatofwebtravel.

OncamerasystemsdesignedbyE+L,themodulereferencemust

alsobechecked(e.g.B2).Theblockdiagramspeciesexactly

whichcamerashouldbemountedonwhichsideoftheweb,seen

fromthedirectionofwebtravel.



TwodifferentE+Lsupportsareavailableformountingthecamera,

seeattacheddrawing.

We recommend you pin the supports once the camera has

been positioned (7.1 commissioning).

Howthelighttransmitterismounteddependsonthescanningpro-

cessimplemented.

M= Max.mountingdist.camera-lighttransmitterMinmms

a = Lighttransmitteroperationalrangeinmms

b = CCDelementlength=28,67mm

f = Lensfocallength(24,28or50mm)

Verticalwebtravel Horizontalwebtravel

5.4 Camera assembly

5.5 Light transmitter assembly

Lighttransmitterassemblywith

backlightingprinciple

Lighttransmitterlength Lighttransmitterh Maximummountingdistancecamera-lighttransmitterM

FS16.1FS16.2operationalrange OL8024 OL8028 OL8050

665mm 685mm 450mm 400mm 460mm 830mm

1275mm 1295mm 1050mm 900mm 1050mm 1880mm

1575mm 1595mm 1350mm 1150mm 1340mm 2400mm

M= f(a+b)

1. 2. 3.

Whenusing backlightingwerecommendthethreemountingvari-

antsabovetoavoidsoiling.

ThefollowingtableliststhemaximumdistanceofstandardE+L

transmitterstothecamera.

BPage10 BEA--220265-EN-04

CCDarraycameraOptoLineOL80..

Background Background

Web

Lighttransmitterassemblywith

frontlightingprinciple

Whenusingfrontlightingthefollowingshouldbeobserved:

- whenscanningtheedgesoftransparentwebs,mountthelight

transmittersothatthemirrorsurfacereectsthelightsentfrom

thetransmitterintothecamera(seeillustrationaboveleft).

- whendetectinglinesandcolourcontrastsontransparentand

opaquewebs,mountthelighttransmittersothatadiffusereec-

tionisproduced.Surfaceglareisavoidedandaclearimageis

produced(seeillustrationaboveright).

When frontlighting, please ensure that the light transmitter is

not in the camera visual range.

Auniformcontrast-freedarkbackgroundisrequiredforfrontlighting.

Youmayhavetomountamattblackpanelbehindtheweb,inthe

cameravisualrange.Thisoptimumcontrasttothewebguarantees

efcientwebedgescanning,inuencesfromexternallightsources

areavoided.

Itmustbeguaranteedthatthewebdoesnotformfoldsorcreases

andthattheedgesdonotturnupasotherwisethelightisreectedat

adifferentanglebythewebandnolongercapturedbythecamera.A

supportrollercanbemountedifnecessary.

Withfront-lightning,thesupportrollershouldbemountedoutsidethe

camerameasuringrange,eitherbeforeorafterthecamera.Seeil-

lustrationonleft.

5.7 Mount support roller

5.6 Determining the back-

ground

Background

Supportroller

Example:frontlighting

Supportrollermountedafterthecamera

Tabla de contenidos

Manuales populares de Cámara digital de otras marcas

Mercury

Mercury 350K Manual de usuario

Pentax

Pentax Optio LS 465 Manual de usuario

Sanyo

Sanyo VPC-S1085 Manual de usuario

GE SMART A1255 Manual de usuario

Point Grey

Point Grey Gazelle Manual de usuario

Nikon

Nikon COOLPIX A Manual de usuario

Pentax

Pentax P-5 Manual de usuario

BlazeVideo

BlazeVideo A280 Manual de usuario

Sony

Sony MCA-20 Manual de usuario

Sony

Sony Alpha DSLR-A290 Manual de usuario

ATIK Cameras

ATIK Cameras One Manual de usuario

CohuHD Costar

CohuHD Costar 3930 Series Manual de usuario

Leica

Leica M10-R Manual de usuario

FujiFilm

FujiFilm FinePix A700 Manual de usuario

Lorex

Lorex LNZ81P25 Series Manual de usuario

GE J1470S Manual de usuario

Sony

Sony A6700 Guía del usuario

Canon

Canon EOS ELAN7 Manual de usuario