SICK WTF26 取扱説明書

O P E R A T I N G I N S T R U C T I O N S

WTF26

O P E R A T I N G I N S T R U C T I O N S

WTF26

de

en

es

fr

it

ja

pt

ru

zh

Described product

W26

WTF26

Manufacturer

SICK AG

Erwin-Sick-Str. 1

79183 Waldkirch

Germany

Legal information

This work is protected by copyright. Any rights derived from the copyright shall be

reserved for SICK AG. Reproduction of this document or parts of this document is

only permissible within the limits of the legal determination of Copyright Law. Any modi‐

fication, abridgment or translation of this document is prohibited without the express

written permission of SICK AG.

The trademarks stated in this document are the property of their respective owner.

Original document

This document is an original document of SICK AG.

2006/42/EC

NO

SAFETY

2

8025684.9RH / 15.01.2021 | SICK

Subject to change without notice

Contents

1 Safety information............................................................................ 4

1.1 General safety notes................................................................................ 4

1.2 Notes on UL approval............................................................................... 4

2 Intended use...................................................................................... 4

3 Operating and status indicators...................................................... 4

4 Mounting............................................................................................. 5

5 Electrical installation........................................................................ 5

6 Additional functions.......................................................................... 7

7 Commissioning.................................................................................. 7

7.1 Alignment.................................................................................................. 7

7.2 Check the application conditions............................................................ 8

7.3 Sensing range setting............................................................................... 8

7.4 Time function setting................................................................................ 10

7.5 Setting light/dark switching..................................................................... 11

8 Process data structure..................................................................... 11

9 Troubleshooting................................................................................. 12

10 Disassembly and disposal............................................................... 12

11 Maintenance...................................................................................... 13

12 Technical data.................................................................................... 13

12.1 Dimensional drawings.............................................................................. 14

CONTENTS

8025684.9RH / 15.01.2021 | SICK

Subject to change without notice

3

1 Safety information

1.1 General safety notes

■

Read the operating instructions before commissioning.

■

Connection, mounting, and configuration may only be performed by trained

specialists.

■

2006/42/EC

NO

SAFETY

Not a safety component in accordance with the EU Machinery Directive.

■

Do not install the sensor at locations that are exposed to direct sunlight

or other weather influences, unless this is expressly permitted in the operating

instructions.

■

These operating instructions contain information required during the life cycle of

the sensor.

1.2 Notes on UL approval

The device shall be supplied from an isolating transformer having a secondary overcur‐

rent protective device that complies with UL 248 to be installed in the field rated either:

a) max 5 amps for voltages 0 ~ 20 V (0 ~ 28.3 V peak), or

b) 100 / Vp for voltages of 20 ~ 30 V (28.3 ~ 42.4 V peak).

Alternatively, they can be supplied from a Class 2 power supply.

UL Environmental Rating: Enclosure type 1

2 Intended use

The WTF26 is an opto-electronic photoelectric proximity sensor (referred to as “sensor”

in the following) for the optical, non-contact detection of objects, animals, and persons.

If the product is used for any other purpose or modified in any way, any warranty claim

against SICK AG shall become void.

The WTF26 is particularly suited to the detection of flat, glossy, contrast-rich, and

uneven objects.

3 Operating and status indicators

WTF26x-xxxxxx10

WTF26x-xxxxxx20

WTF26x-xxxxxx11

WTF26x-xxxxxx21

WTF26x-xxxxxx12

WTF26x-xxxxxx22

2

3

4

1

2

1

4

3

6

2

1

4

3

5

1 SAFETY INFORMATION

4

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Subject to change without notice

WTF26x-xxxxxx30 WTF26x-xxxxxx31 WTF26x-xxxxxx32

2

1

4

3

2

1

3

4

6

2

1

3

4

5

1

BluePilot blue: sensing range display

2

Press-turn element / Potentiometer / Teach-Button: adjusting the sensing range

3

LED indicator yellow: status of received light beam

4

LED indicator green: supply voltage active

5

Press-turn element: time function adjustment

6

Teach pushbutton: adjustment of light/dark switching

4 Mounting

Mount the sensor using a suitable mounting bracket (see the SICK range of acces‐

sories).

Note the sensor’s maximum permissible tightening torque of < 1,3 Nm.

Note the preferred orientation of the object relative to the sensor, cf. see figure 3,

page 14.

5 Electrical installation

The sensors must be connected in a voltage-free state. The following information must

be observed, depending on the connection type:

– Male connector connection: Note pin assignment

– Cable: wire color

Only supply/switch on the voltage once all electrical connections have been estab‐

lished.

Explanations of the connection diagram (following tables):

Alarm = alarm output

Health = alarm output

MF (pin 2 configuration) = external input, teach-in, switching signal

Q

L1

/C = switching output, IO-Link communication

Test = test input

U

B

: 10 ... 30 V DC

Table 1: Connections

Wxx26x- x1 x4 xH x5 xI

1 = BN

2 = WH

3 = BU

4 = BK

5= GY

1

4

3

1

2

4 3

0.14 mm

2

AWG26

1

2

4 3

5

0.14 mm

2

AWG26

MOUNTING 4

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5

Table 2: DC

WTF26x- xxX6XxxxA00 xxX6Xxxx

A01-A99

Push-pull xx161 xx162 xx168 xx16A xx16L xx16N xx16x

PNP xx861 xx862 xx868 xx86A xx86L xx86N xx86x

1 = BN + (L+)

2 = WH MF

3 = BU - (M)

4 = BK Q

L1

/ C

Default:

MF

Q

Test → L+ No func‐

tion

Test → L+ No func‐

tion

www.sick.

com

8022709

Default:

Q

L1

/ C

Q

Q Q

Q Q www.sick.

com

8022709

Table 3: DC

WTF26x- xxXXXxxxZZZ

Push-pull xx111 xx112 xx421 xx422 xx721 xx722

PNP xx811 xx812 xxB21 xxB22 -

BN + (L+)

WH Q

Q

BU - (M)

BK

Q

GR - - Test → L+ Test → L+ Test → M Test → M

Table 4: Push-pull, PNP, NPN

Push-pull

PNP

NPN

+ (L+)

Q ≤ 100 mA

‒ (M)

Push-pull

PNP

NPN

+ (L+)

Q ≤ 100 mA

‒ (M)

Push-pull

PNP

NPN

+ (L+)

Q ≤ 100 mA

‒ (M)

Push-pull

PNP

NPN

+ (L+)

Q ≤ 100 mA

‒ (M)

5

ELECTRICAL INSTALLATION

6

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Subject to change without notice

6 Additional functions

Test input

Test input: The sensors WTF26 feature a test input (“TI” or “Test” on the connection

diagram [see table 2]), which can be used to switch the sender off and, therefore,

check that the sensor is functioning correctly: If female cable connectors with LED

indicators are used, you have to ensure that the TI is assigned accordingly.

It is important that there is no object between the sensor and background; activate the

test input (see the connection diagram see table 2).

The send LED is shut down or the detection of an object is simulated. Refer to table 5

to check the function. If the switching output fails to behave in accordance with the

graphic, check the application conditions, see "Troubleshooting", page 12.

Table 5: Test

Test → M Test → L+

+ (L+)

Test

– (M)

+ (L+)

Test

– (M)

+ (L+)

Test

– (M)

+ (L+)

Test

– (M)

7 Commissioning

7.1 Alignment

WTF26P: Align sensor on background. Select the position so that the red emitted light

beam hits the objects. You must ensure that the optical opening (front screen) of the

sensor is completely clear [see figure 1].

WTF26I: Align the sensor with the background. Select the position so that the infrared

light (not visible) hits the objects. The correct alignment can only be detected via the

LEDs, see figure 1 and table 4. You must ensure that the optical opening (front screen)

of the sensor is completely clear.

ADDITIONAL FUNCTIONS 6

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7

Figure 1: Alignment

7.2 Check the application conditions

WTF26 are photoelectric proximity sensors with foreground suppression. The photoelec‐

tric proximity sensor requires a background as a reference. The remission and position

of the background should remain as uniform as possible. The maximum distance (x)

between the photoelectric proximity sensor and background as well as the minimum

object height (y) must be upheld.

As a rule, a WTF26 is used to detect very flat objects on a conveyor belt.

Check the application conditions: Compare distance between sensor and background,

minimal object height as well as radiance capability of background and object with the

associated diagram (see figure 2, page 8) (x = sensing range, y = minimum object

height). Remission: 6% = black 1, 90% = white 2 (referring to standard white as per DIN

5033).

Example: x = 500 mm, y = 11 mm, i.e. a white object is detected from a height of

at least 11 mm on a black background. The distance between photoelectric proximity

sensor and background is 500 mm.

Table 6: Application conditions

x

y

6%/6%

6%/90%

90%/90%

90%/6%

4

1

3

2

WTF26P-xxxxx4xx

Example:

Sensing range on black background, 6%,

x = 500 mm, y = 11 mm for white object

Background

y

x

0

5

10

15

25

20

30

100

(3.94)

200

(7.87)

300

(9.84)

400

(15.75)

600

(23.62)

500

(19.69)

0

Distance in mm (inch)

Minimum object height

in mm (y)

35

40

700

(27.56)

800

(31.50)

Figure 2: Characteristic line: WTF26

1

Black object, 6% radiance factor, in front of

black background, 6% radiance factor

2

Black object, 6% radiance factor, in front of white

background, 90% radiance factor

3

White object, 90% radiance factor, in front of

black background, 6% radiance factor

4

White object, 90% radiance factor, in front of

white background, 90% radiance factor

1

2

200

(7.87)

800

(31.50)

D

Distance in mm (inch)

A

BluePilot:

B

C

E

F

A Sensing range min. in mm

B Sensing range max. in mm

C Viewing range

D Adjustable switching thresh‐

old for foreground suppres‐

sion

E Sensing range indicator

F Teach-Turn adjustment

1

Sensing range on black, 6%

radiance factor

2

Sensing range on white, 90%

radiance factor

7.3 Sensing range setting

WTF26x-xxxxxx2xAxx with Teach-Turn adjustment:

7 COMMISSIONING

8

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Subject to change without notice

The sensing range is adjusted by pressing the teach-in button (approx. 1-3 sec.).

Depending on the requirements, the potentiometer can be used for fine-tuning (without

pressing the teach-in button).

Clockwise rotation: Sensing range increased.

Counterclockwise rotation: Sensing range reduced.

The sensing range can also be adjusted using just the potentiometer.

1.

1...3 sec.

2. The conveyor belt should now be put into operation without any objects. If the

yellow LED indicator lights up permanently during the test run, the sensing range is

set correctly.

3. If the yellow LED indicator does not light up briefly during the test run, reduce the

sensing range minimally. This increases the minimum object height accordingly.

Then check the detection with the object.

WTF26x-xxxxxx1xAxx with potentiometer:

The sensing range is adjusted with the potentiometer.

Clockwise rotation: Sensing range increased.

Counterclockwise rotation: Sensing range reduced.

COMMISSIONING 7

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9

1.

2. See from section 2 on for

WTF16x-xxxxxx2xAxx with Teach-Turn

adjustment

WTF26x-xxxxxx3xAxx with teach-in button:

The sensing range is adjusted by pressing the teach-in button (approx. 1-3 sec.).

7.4 Time function setting

1

0

T1

T2

M

T4

T3

7 COMMISSIONING

10

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Subject to change without notice

t

t t t

t

t t t t

t t t

t

t t

Input signal

0

T1

T2

T3

T4

M = Manual (specific setting via IO-Link)

1 ms 30.000 ms

2

7.5 Setting light/dark switching

1

L

D

M

L light switching

D Dark switching

M manual (specific setting via IO-Link)

8 Process data structure

WTF26x-xxxxxxxxAxx:

COMMISSIONING 7

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11

A00 A70 A71 A72 A73 A75

IO-Link V1.1

Process

data

2 bytes 4 bytes

Byte 0: bits 15... 8

Byte 1: bits 7... 0

Byte 0: bits 31...

24

Byte 1: bits 13...

16

Byte 2: bits 15...

8

Byte 3: bits 7... 0

Bit 0 / Data

type

Q

L1

/ Boolean

Bit 1 / Data

type

Q

L2

/ Boolean Qint.1 /

Boolean

Q

L2

/

Boolean

Qint.1 / Boolean

Bit... /

Descrip‐

tion / Data

type

2 ...15 /

[empty]

2 ...15 /

[time mea‐

surement

value] /

UInt 14

2 … 15 /

[counter

value] /

UInt 14

2 … 15 /

[length /

speed

measure‐

ment] /

SInt14

2 /

Qint.1 /

Boolean

2 … 7 / [empty]

Bit... /

Descrip‐

tion / Data

type

3 … 15 /

[time mea‐

surement

value] /

UInt13

8 … 31 / [carrier

load] / UInt 24

9 Troubleshooting

The Troubleshooting table indicates measures to be taken if the sensor stops working.

LED indicator/fault pattern Cause Measures

Green LED flashes IO-Link communication None

Switching outputs do not

behave in accordance with

table 4

1. Change of the configuration

2. Short-circuit

1. Adjustment of the configura‐

tion

2. Check electrical connections

Light spot is aligned to the

background, no object in

beam path, yellow LED does

not light up

The sensing range distance is

too large

Reduce the sensing range

(Rotate to the left)

Light spot is aligned to the

background, object in beam

path, yellow LED lights up

Sensing range is set too low Increase the sensing range

(Increase the sensing range)

10 Disassembly and disposal

The sensor must be disposed of according to the applicable country-specific regula‐

tions. Efforts should be made during the disposal process to recycle the constituent

materials (particularly precious metals).

9 TROUBLESHOOTING

12

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Subject to change without notice

NOTE

Disposal of batteries, electric and electronic devices

•

According to international directives, batteries, accumulators and electrical or

electronic devices must not be disposed of in general waste.

•

The owner is obliged by law to return this devices at the end of their life to the

respective public collection points.

•

WEEE: This symbol on the product, its package or in this document,

indicates that a product is subject to these regulations.

11 Maintenance

SICK sensors are maintenance-free.

We recommend doing the following regularly:

•

Clean the external lens surfaces

•

Check the screw connections and plug-in connections

No modifications may be made to devices.

Subject to change without notice. Specified product properties and technical data are

not written guarantees.

12 Technical data

WTF26P-xxxxx4

Sensing range max. 0 mm ... 800 mm

1)

Light spot diameter/distance Ø 7 mm / 700 mm

Supply voltage U

B

DC 10 ... 30 V

Ripple ≤ 5 V

SS

Current consumption ≤ 30 mA

2)

< 50 mA

3)

Output current I

max.

≤ 100 mA

Max. response time 2.5 ms

4)

Switching frequency 200 Hz

5)

Enclosure rating

6)

see table 1:

x4, xH, x5, xI: IP66, IP67, IP69

7)

x9, xB: IP65

Protection class III

Circuit protection A, B, C, D

8)

MAINTENANCE 11

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Subject to change without notice

13

WTF26P-xxxxx4

Ambient operating temperature –40 °C ... +60 °C

9)

1)

Background with 6%

2)

16 VDC to 30 VDC, without load

3)

10 VDC to 16 VDC, without load

4)

Signal transit time with resistive load in switching mode. Deviating values possible in COM2 mode.

5)

With a light/dark ratio of 1:1 in switching mode. Deviating values possible in IO-Link mode.

6)

Pursuant to EN 60529

7)

Replaces IP69 K pursuant to ISO 20653: 2013-03

8)

A = U

B

-connections reverse polarity protected

B = inputs and output reverse-polarity protected

C = Interference suppression

D = outputs overcurrent and short-circuit protected

9)

Do not bend cables below 0°C.

12.1 Dimensional drawings

1

2

3

5

4

7.1 (0.28)

8.1 (0.32)

10.8 (0.43)

25 (0.98)

38.8 (1.53)

6.4

(0.25)

12.9

(0.51)

48.1 (1.89)

40 (1.57)

44.2 (1.74)

10

(0.39)

Ø 5.2 (0.2)

24.6 (0.97)

82.2 (3.24)

70 (2.76)

Ø 5.2 (0.2)

7.3

(0.29)

8.1 (0.32)

76.5 (3.01)

82.5 (3.25)

32.4 (1.28)

25 (0.98)

53.3 (2.1)

6

Figure 3: Dimensional drawing 1, cable

1

Preferred direction of the target

object

2

Center of optical axis, sender

3

Center of optical axis, receiver

4

Fixing hole Ø 5.2 mm

5

connection

6

Display and setting elements

M12

1

2

3

5

4

7.1 (0.28)

8.1 (0.32)

10.8 (0.43)

25 (0.98)

39 (1.54)

6.3 (0.25)

48.1 (1.89)

40 (1.57)

44.2 (1.74)

19.7

(0.78)

Ø 5.2 (0.2)

24.6 (0.97)

82.2 (3.24)

70 (2.76)

Ø 5.2 (0.2)

17

(0.67)

7.9 (0.31)

76.5 (3.01)

82.5 (3.25)

32.4 (1.28) 25 (0.98)

53.3 (2.1)

63.9 (2.52)

6

Figure 4: Dimensional drawing 2, male con‐

nector

12 TECHNICAL DATA

14

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Subject to change without notice

B E T R I E B S A N L E I T U N G

WTF26

de

en

es

fr

it

ja

pt

ru

zh

Beschriebenes Produkt

W26

WTF26

Hersteller

SICK AG

Erwin-Sick-Str. 1

79183 Waldkirch

Deutschland

Rechtliche Hinweise

Dieses Werk ist urheberrechtlich geschützt. Die dadurch begründeten Rechte bleiben

bei der Firma SICK AG. Die Vervielfältigung des Werks oder von Teilen dieses Werks

ist nur in den Grenzen der gesetzlichen Bestimmungen des Urheberrechtsgesetzes

zulässig. Jede Änderung, Kürzung oder Übersetzung des Werks ohne ausdrückliche

schriftliche Zustimmung der Firma SICK AG ist untersagt.

Die in diesem Dokument genannten Marken sind Eigentum ihrer jeweiligen Inhaber.

Originaldokument

Dieses Dokument ist ein Originaldokument der SICK AG.

2006/42/EC

NO

SAFETY

16

8025684.9RH / 15.01.2021 | SICK

Subject to change without notice

Inhalt

13 Zu Ihrer Sicherheit............................................................................. 18

13.1 Allgemeine Sicherheitshinweise.............................................................. 18

13.2 Hinweise zur UL Zulassung...................................................................... 18

14 Bestimmungsgemäße Verwendung............................................... 18

15 Bedien- und Anzeigeelemente........................................................ 18

16 Montage.............................................................................................. 19

17 Elektrische Installation..................................................................... 19

18 Zusatzfunktionen.............................................................................. 21

19 Inbetriebnahme................................................................................. 21

19.1 Ausrichtung............................................................................................... 21

19.2 Einsatzbedingungen prüfen..................................................................... 22

19.3 Einstellung Schaltabstand....................................................................... 22

19.4 Einstellung Zeitfunktionen....................................................................... 24

19.5 Einstellung Hell-/Dunkelschaltend.......................................................... 25

20 Prozessdatenstruktur........................................................................ 25

21 Störungsbehebung............................................................................ 26

22 Demontage und Entsorgung............................................................ 26

23 Wartung.............................................................................................. 27

24 Technische Daten.............................................................................. 27

24.1 Maßzeichnungen...................................................................................... 28

INHALT

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Subject to change without notice

17

13 Zu Ihrer Sicherheit

13.1 Allgemeine Sicherheitshinweise

■

Lesen Sie vor der Inbetriebnahme des Geräts die Betriebsanleitung.

■

Der Anschluss, die Montage und die Konfiguration des Geräts dürfen nur

von geschultem Fachpersonal vorgenommen werden.

■

2006/42/EC

NO

SAFETY

Bei diesem Gerät handelt es sich um kein sicherheitsgerichtetes Bauteil im

Sinne der EU-Maschinenrichtlinie.

■

Installieren Sie den Sensor nicht an Orten, die direkter Sonneneinstrahlung

oder sonstigen Wettereinflüssen ausgesetzt sind, ausser dies ist in der Betriebs‐

anleitung ausdrücklich erlaubt.

■

Die vorliegende Betriebsanleitung enthält Informationen, die während des Lebens‐

zyklus der Lichtschranke benötigt werden.

13.2 Hinweise zur UL Zulassung

The device shall be supplied from an isolating transformer having a secondary overcur‐

rent protective device that complies with UL 248 to be installed in the field rated either:

a) max 5 amps for voltages 0 ~ 20 V (0 ~ 28.3 V peak), or

b) 100 / Vp for voltages of 20 ~ 30 V (28.3 ~ 42.4 V peak).

Alternatively, they can be supplied from a Class 2 power supply.

UL Environmental Rating: Enclosure type 1

14 Bestimmungsgemäße Verwendung

Die WTF26 ist ein optoelektronischer Reflexions-Lichttaster (im Folgenden Sensor

genannt) und wird zum optischen, berührungslosen Erfassen von Sachen, Tieren und

Personen eingesetzt. Bei jeder anderen Verwendung und bei Veränderungen am Pro‐

dukt verfällt jeglicher Gewährleistungsanspruch gegenüber der SICK AG.

Die WTF26 ist besonders zur Detektion von flachen, glänzenden, kontrastreichen und

unebenen Objekten geeignet.

15 Bedien- und Anzeigeelemente

WTF26x-xxxxxx10

WTF26x-xxxxxx20

WTF26x-xxxxxx11

WTF26x-xxxxxx21

WTF26x-xxxxxx12

WTF26x-xxxxxx22

2

3

4

1

2

1

4

3

6

2

1

4

3

5

13 ZU IHRER SICHERHEIT

18

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WTF26x-xxxxxx30 WTF26x-xxxxxx31 WTF26x-xxxxxx32

2

1

4

3

2

1

3

4

6

2

1

3

4

5

1

BluePilot blau: Schaltabstandsanzeige

2

Drück-Dreh-Element / Potentiometer / Teach-Taste: Einstellung des Schaltabstands

3

Anzeige-LED gelb: Status Lichtempfang

4

Anzeige-LED grün: Betriebsspannung aktiv

5

Drück-Dreh-Element: Einstellung der Zeitfunktionen

6

Teach-Taste: Einstellung hell-/dunkelschaltend

16 Montage

Den Sensor an einen geeigneten Befestigungswinkel montieren (siehe SICK-Zube‐

hör-Programm).

Maximal zulässiges Anzugsdrehmoment des Sensors von < 1,3 Nm beachten.

Vorzugsrichtung des Objektes zum Sensor beachten, vgl. siehe Abbildung 7, Seite 28.

17 Elektrische Installation

Anschluss der Sensoren muss spannungsfrei erfolgen. Je nach Anschlussart sind die

folgenden Informationen zu beachten:

– Steckeranschluss: Pinbelegung beachten

– Leitung: Adernfarbe

Erst nach Anschluss aller elektrischen Verbindungen die Spannungsversorgung anlegen

bzw. einschalten.

Erläuterungen zum Anschlussschema (folgende Tabellen):

Alarm = Alarmausgang

Health = Alarmausgang

MF (Pin-2-Konfiguration) = Externer Eingang, Teach-in, Schaltsignal

Q

L1

/C = Schaltausgang, IO-Link Kommunikation

Test = Testeingang

U

B

: 10 ... 30 V DC

Tabelle 7: Anschlüsse

Wxx26x- x1 x4 xH x5 xI

1 = BN

2 = WH

3 = BU

4 = BK

5= GY

1

4

3

1

2

4 3

0.14 mm

2

AWG26

1

2

4 3

5

0.14 mm

2

AWG26

MONTAGE 16

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