Datasensor DS3 Series Manuel utilisateur

DS3 SERIES

Object detection and measurement light grid

INSTRUCTION MANUAL

DATASENSOR S.p.A. Via Lavino 26 5

4005 0 Mont e S. Piet ro - Bolog na - I taly

Tel: + 39 051 676 561 1 Fax: +39 051 6759 324

htt p: / / www. datasensor. com e-mail: info@datas ensor.com

DATASENSOR S.p.A. cares for the environment: 100 % recycle d pap er.

DATASENSOR S.p.A. reserves the right to make modificati ons an d improv ements with out prior n otification.

DATASENSOR S.p. A.

Via L av ino, 26 5

400 50 Mont e San P ietro

Bologna - Italy

declare under our sole responsibility that the product(s)

DS3-XX-XX X, OPTOELECTRONIC LIGHT GRID FOR OBJECT

DETECTION AND MEASUREMENT AND ALL ITS

MODELS

to which this declaration relates in conformity with the following

international standard(s) or other normative document(s)

CEI EN 61000-4-3, NOVEMBER1997:

ELECTROMAGNETIC COMPATIBILITY (EMC). PART 4: TESTING AND MEASUREMENT

TECHNIQUES. SECTION 3: RADIATED, RA D I O -F REQ UENCY, ELECTROMAGNETIC FIELD

IMMUNITY TEST

CEI EN 61000-4-4, SE PT E M BE R 1996:

ELECTROMAGNETIC COMPATIBILITY (EMC). PART 4: TESTING AND MEASUREMENT

TECHNIQUES. SECTION 4: ELECTRICALFAST TRANSIENT/BURST IMMUNITY TEST

CEI EN 61000-4-6, NOVEMBER1997:

ELECTROMAGNETIC COMPATIBILITY (EMC). PART 4: TESTING AND MEASUREMENT

TECHNIQUES. SECTION 6: IMMUNITY TO CONDUCTED DIST URBANCES, I NDUCED BY

RADIO-FREQ UENCY FIELDS

CEI EN 50319,

OT TO BER 2000:

ANALOG OUTPUT ONPROXIMITY SWITCH

CEI IEC 60947-5-2, MARCH 1999:

LO W VO LT AG E PRO X IM IT Y SW IT CH

Following the provision of the Directive(s):

89/ 336 CEE AND SUCCESSIVE AMENDMENTS

M onte Sa n Pi e tr o, 02/ 08 /20 01

Gianni Stradi otti

Qual it y Ass uranc e M a nag er

UNIEN ISO 1 400

DS series Instructions manual

INDEX

1. GENERAL INFORMATION .........................................................................................pag. 1

1.1. Gen eral d escr iption of th e AR E Asc anä

ää

älig ht g rid ....................................... pag. 1

1.2. Selecting t he devic e........................................................................................... pag. 2

1.3. Typic al applications ............................................................................................pag. 3

2. INSTALL ATION MODE ............................................................................................... pag. 4

2.1 Pr ecau ti ons to be obs er ved for t he choi c e a nd i nstall a ti on of the d e vice . pag . 4

2.2. Gen eral information on th e d evice positioning .............................................. pag. 5

2.2. 1. M inimum inst allation dist ance ............................................................. pag . 5

2.2. 2. Minimum dist ance fro m reflec ting surfac es ..................................... pag. 6

2.2. 3. Installation of s everal adj acent light grids ......................................... pag. 8

3. MECHANICAL MOUNTING ........................................................................................ pag. 9

4. ELECTRICAL CONNECTIONS .................................................................................. pag. 10

4.1. Notes on t he connec tions .................................................................................... pag . 11

5. FUNCTION SELECTION ............................................................................................. pag. 13

5.1. Standar d co nfig uratio n ........................................................................................ pag. 13

6. CALIBRATION PROCEDURE.................................................................................... pag. 15

6.1. Correct calibration procedure g ui de ..................................................................pag . 15

7. FUNCTIONING MODE................................................................................................. pag. 16

7.1. Scan ning m od e ................................................................................................... pag. 16

7.2. Measure me nt mode ........................................................................................... pag. 18

7.2. 1. Absolute me asure me nt ........................................................................ pag . 18

7.2. 2. Relative measure me nt ......................................................................... pag . 19

7.3. Object det ectio n mo de (t eac h- in)..................................................................... pag. 20

7.3. 1. Absolute det ectio n................................................................................ pag . 21

7.3. 2. Relative det ectio n................................................................................. pag . 22

7.3. 3. Detectio n t oleranc e .............................................................................. pag . 22

7.4. DARK/LIGHT mo de of the output .................................................................... pag . 23

7.5. Sensiti vit y mode.................................................................................................. pag . 23

8. DIAGNOSTIC FUNCTIONS ........................................................................................ pag. 24

8.1. Visualisation of t he devic e sta tus ..................................................................... pag. 24

8.2. Fault a nd diag nostic messages ........................................................................ pag . 25

8.2. 1. D iagnos ti c mod e ...................................................................................pag . 25

8.2. 2. Error mo de ............................................................................................. pag . 26

9. CHECKS AND PERIODIC AL M AINTENANCE ....................................................... pag. 27

10. TECHNICAL DAT A ...................................................................................................... pag. 28

11. LIST OF THE AV AIL ABLE MODELS .......................................................................pag. 29

12. OVERALL DIMEN SIONS ............................................................................................ pag. 30

Instructions manual DS series

1. GENERAL INFORMATION

1.1. General description of the ARE AscanTM li gh t g rid

The AREAscanTM light grids are optoelectronic multibeam devices that

can be used to detect transparent and small objects and for

dimensional measurement. The variety of possibile functions makes

DS3 a particularly flexible device suitable to many different

applications.

The AREAscanTM li gh t grids of the DS3 seri e s are ma nufactu red i n

accordance with the international standards in force and in particular:

CEI EN 60947-5-2: low voltage proximity switch

CEI EN 50319: analog output on proximity switch

The device, consisting of one emitter and one receiver units housed

inside strong aluminium profiles, generates infrared beams that detect

any object positioned within the light grids detection field.

The command and control functions are inside the two units; the

connections are made through a M12 connector located in the lower

side of the profile.

The synchronisation between the emitter and the receiver takes place

through direct connection (via cable) between the two units.

The control and management of the emitted and received beams are

guaranteed by a microprocessor that, using LEDs, supplies to the

operator information relative to the light grid status and any error

conditions.

DS series Instructions manual

Some parts or paragraphs of this manual containing important

information forthe operator are preceded by a note:

Notes and detailed descriptions about particular characteristics of the

AREAscanTM devices in order to better explain their functioning.

DATASENSOR technical assistance is available for any necessary

information related to the functioning and/or installation of the DS3

series light grids (see section 9 “Checks and periodical maintenance”).

1.2. Selecting the device

The choice of the device may be based on the following:

- detection area needed. This is the height of the device’s sensitive

zone

- maximum operating distance. This is the distance between the

emitter unit (TX) and receiver unit (RX)

Four versions are available:

Operating distance Detection field

DS3-SD-015 0.2 … 0.6 m 24 beams; h=150 mm

DS3-SD-030 0.2 … 0.6 m 48 beams; h=300 mm

DS3-LD-015 0.6 … 1.5 m 24 beams; h=150 mm

DS3-LD-030 0.6 … 1.5 m 48 beams; h=300 mm

The functions that characterise the DS3 AREAscanTM light grids are

available on all 4 versions that consequently have the same operating

modes.

The specific technical characteristics (e.g. resolution, sensitivity etc)

remain the same for all the versions, until differently indicated.

For food industry applications, please verify with DATASENSOR

Technical Service the compatibility of the materials of the light grid

shell with the eventual chemical agents that are used in the production

process.

Instructions manual DS series

1.3. Typical applications

The following images supply an overview on some of the main

applications.

Object detection and measurement on conveyor

belt

Control of the correct material positioning

(opaque and transparent) during functioning

(plastic, metal, paper etc)

Loop control and positioning (also transparent

ma t e ri a l )

Detection of objects w ith different shapes in the

food industry

Detection of objects in different positions (parallel

beams)

Detection of small objects in different positions

(crossed beams)

DS series Instructions manual

2 INSTALLATION MODE

2.1. Precautions to be observed for the choice and installation of the device

• The dimension of the smallest object to be detected should not to

be lower than the resolution level of the device.

• The DS3 should be installed in a place compatible with the

technical characteristics (see section 10 “Technical Data”) of the

AREAscanTM light grids.

Other considerations:

- avoid installation near very intense and/or flashing light sources,

in particular near the receiver unit.

- strong electromagnetic interferences can compromise the

correct functioning of the device. Please contact DATASENSOR

Technical Service when this problem occurs.

- the operating distance of the device can be reduced in the

presence of smog, fog or airborne dust.

- a sudden change in environment temperature, with very low

minimum peaks, can generate a small condensation layer on the

lenses and jeopardise functioning.

Instructions manual DS series

2.2. General information on the device positioning

• Place the device near the detection area.

• Align the receiver (RX) and emitter (TX) units parallel to one

another.

• Fix the receiver and emitter units on rigid supports not affected by

strong vibrations using the specific brackets (see section 3

“Mechanical mounting”).

• Check that the distance between the receiver and emitter units is

within the device operating distance (see section 10 “Technical

data”).

2.2.1. Minimum installation distance

The minimum installation distance corresponds to the minimum

operating distance (= 20 cm for short distance versions; = 60 cm for

long distance versions).

It is recommended that the distance be slightly increased to avoid

problems deriving from the imperfect alignment of the two units.

DS series Instructions manual

2.2.2. Minimum distance from reflecting surfaces

Reflecting surfaces placed near the light beams of the AREAscanTM

device (over, under or laterally) may cause passive reflections; these

reflections could compromise the recognition of an object inside the

controlled area (see Fig.1).

Fig. 1

However, if the receiver detects a secondary beam (reflected by the

side-reflecting surface) the object cannot be detected, even if the main

beam is interrupted by the entering object.

Instructions manual DS series

It is thus important to position the light grid according to the minimum

distance from any reflecting surface.

The minimum distance depends on:

- Device operating distance

- Reflecting surface nature

- Position of the object inside the sensitive area

The minimum distance of the reflecting object has to be:

DS3-SD d > 7 cm

DS3-LD d > 12 cm

If the distance between the receiver and emitter is between 60 and 90

DS3-LD d > 25 cm

If the distance between the receiver and emitteris between 90 and 150

NOTE: These v alues are based on a mirrored surface sample

with an 80% reflecting index.

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