SICK WTS26 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

WTS26

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

WTS26

de

en

es

fr

it

ja

pt

ru

zh

Described product

W26

WTS26

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

8020355.19RH / 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.................................................................................. 8

7.1 Alignment.................................................................................................. 8

7.2 Check the application conditions............................................................ 9

7.3 Sensing range setting............................................................................... 10

7.4 Time function setting................................................................................ 14

7.5 Setting light/dark switching..................................................................... 15

8 Process data structure..................................................................... 15

9 Troubleshooting................................................................................. 15

10 Disassembly and disposal............................................................... 16

11 Maintenance...................................................................................... 16

12 Technical data.................................................................................... 16

12.1 Dimensional drawings.............................................................................. 17

CONTENTS

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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 WTS26 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.

3 Operating and status indicators

WTS26x-xxxxxx10

WTS26x-xxxxxx20

WTS26x-xxxxxx11

WTS26x-xxxxxx21

WTS26x-xxxxxx12

WTS26x-xxxxxx22

2

3

4

1

2

1

4

3

6

2

1

4

3

5

1 SAFETY INFORMATION

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WTS26x-xxxxxx30 WTS26x-xxxxxx31 WTS26x-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 preferred alignment of the sensor relative to the movement direction of the

object, see figure 1.

Figure 1: Alignment of the sensor relative to the object direction

Note the sensor’s maximum permissible tightening torque of < 1.3 Nm.

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

MOUNTING 4

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5

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- x4 xH x5 xI

1 = BN

2 = WH

3 = BU

4 = BK

5= GY

1

2

4 3

0.14 mm

2

AWG26

1

2

4 3

5

0.14 mm

2

AWG26

Wxx26x- x9 xB

1 = BN

2 = BU

3 = not connected

4 = BK

5= WH

6 = GY

7 = not connected

3 4

1

2 5

6

I

N

= 4 A

3

7

2

1

6

5

4

I

N

= 6 A

Table 2: DC

WTS26x- xxX6XxxxA00 xxX6XxxxA0

1-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

Q Test →

L+

no func‐

tion

Test →

L+

no func‐

tion

www.sick.co

m 8022709

Default:

Q

L1

/C

Q

Q Q

www.sick.co

m 8022709

5 ELECTRICAL INSTALLATION

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Table 3: DC

WTS26

x-

xxXXXxxxZZZ

Push-

pull

xx111 xx112 xx113 xx114 xx115 xx116 xx421 xx422 xx721 xx722

PNP xx811 xx812 xx813 xx814 xx815 xx816 xxB21 xxB22 - -

BN + (L+)

WH

Q

Q Alarm Health Alarm Health

Q

BU - (M)

BK Q

Q

Q Q

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)

6 Additional functions

Alarm

Alarm output: The sensor (WTS26) features a pre-failure notification output (“Alarm”

in the connection diagram [see table 3]), which issues a notification if the sensor is

only ready for operation to a limited extent. The LED flashes in this case. Possible

causes: sensor is contaminated, sensor is out of alignment. In the good state: LOW (0),

if excessively contaminated HIGH (1).

Health

Health output: The sensor (WTS26) features a pre-failure notification output (“Health”

in the connection diagram [see table 3]), which issues a notification if the sensor is

only ready for operation to a limited extent or the cable has been interrupted. Possible

ADDITIONAL FUNCTIONS 6

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7

causes: Sensor is contaminated, sensor is out of alignment, cable is damaged. In the

good state: HIGH (1), if excessively contaminated or in the event of cable interruption

LOW (0). The yellow LED indicator flashes in this case.

Test input

Test input: The sensors WTS26 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.

If an object is detected, activate the test input (see the connection diagram [see

table 2]).

The send LED is shut down or no object being detected 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 15.

Table 5: Test

Test → M Test → L+

+ (L+)

Test

– (M)

+ (L+)

Test

– (M)

+ (L+)

Test

– (M)

+ (L+)

Test

– (M)

7 Commissioning

7.1 Alignment

WTS26P: Align the sensor with the object. Select the position so that the red emitted

light beam hits the center of the object. You must ensure that the optical opening (front

screen) of the sensor is completely clear [see figure 2].

NOTE

For WTS26: If the objects are detected from above, we recommend installing the sen‐

sor at an angle in order to prevent total reflection by a reflective surface, see figure 7.

6 ADDITIONAL FUNCTIONS

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Figure 2: Alignment

7.2 Check the application conditions

WTS26 are photoelectric proximity sensors with background suppression. Depending

on the remission of the object to be detected, and perhaps the background behind it,

a minimum distance (y) between the set sensing range (x) and the background is to be

maintained.

Check the application conditions: Adjust the sensing range and distance to the object

or background as well as the remission capability of the object according to the corre‐

sponding diagram [see table 6] (x = sensing range, y = minimum distance between set

sensing range and background (white 90%)). Remission: 6% = black 1, 18% = gray 2,

90% = white 3 (referring to standard white as per DIN 5033). We recommend that the

adjustment be performed with an object of low remission.

The minimum distance (= y) for the background suppression can be determined from

the diagram [table 6 1] as follows:

Example: x = 500 mm, y = 25 mm. That is, the background (white, 90%) is suppressed

at a distance of > 25 mm of the configured sensing range.

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9

Table 6: Application conditions

0

20

80

60

40

120

100

140

400 800

1,200

1,600

0

1

3

WTS26P-xxxxx1xx

6%/90%

90%/90%

y

x

yx

Minimum distance in mm (y) between the set sensing

range and background (white, 90%)

white background (90%)

Example:

Sensing range on black, 6%,

x = 500 mm, y = 25 mm

Distance in mm

2

18%/90%

Figure 3: Characteristic line: WTS16

1

Sensing range on black, 6% remission

2

Sensing range on gray, 18% remission

3

Sensing range on white, 90% remission

BluePilot:

Adjustment range

Distance in mm (inch)

Sensing range

indicator (blue LED)

Teach-Turn

adjustment

A = Detection distance (depending on object remission)

150

(5.91)

300

(11.81)

500

(19.69)

700

(27.56)

1,000

(39.37)

0

1

2

3

40 700

25

10

150

900

1,000

A

7.3 Sensing range setting

WTS26x-xxxxxx2xAxx with Teach-Turn adjustment:

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. We recommend

placing the sensing range in the object, e.g. see figure 4, page 11. Once the sensing

range has been adjusted, the object is removed from the path of the beam, which

causes the background to be suppressed and the switching output to change (table 4).

7 COMMISSIONING

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1...3 sec.

1

2

3

Figure 4: WTS26x-xxxxxx2xAxx, adjusting the sensing range with Teach-Turn adjustment

WTS26x-xxxxxx1xAxx with potentiometer:

The sensing range is adjusted with the potentiometer.

Clockwise rotation: Sensing range increased.

Counterclockwise rotation: Sensing range reduced.

We recommend placing the object within the sensing range, see figure 9 for an exam‐

ple. Once the sensing range has been adjusted, the object is removed from the path of

the beam, which causes the background to be suppressed and the switching output to

change (table 4).

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11

1

2

3

Figure 5: WTS26x-xxxxxx1xAxx, adjusting the sensing range with potentiometer

WTS26x-xxxxxx3xAxx with teach-in button:

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

recommend placing the object within the sensing range, see figure 10 for an example.

Once the sensing range has been adjusted, the object is removed from the path of

the beam, which causes the background to be suppressed and the switching output to

change (table 4).

1...3 sec.

1

2

Figure 6: WTS26x-xxxxxx3xAxx, adjusting the sensing range with teach-in button

7

COMMISSIONING

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WTS26 sensing range setting

Detection of flat, glossy, contrast-rich, and uneven objects.

If the objects are detected from above, we recommend installing the sensor at an angle

in order to prevent total reflection by a reflective surface

1 When adjusting the sensing range, the light spot should be focused on an even,

uniform surface, e.g. a white sheet of paper.

1...3 sec.

Figure 7: WTS26 sensing range setting

2 Turn the potentiometer a fraction counterclockwise until the yellow LED indicator

no longer lights up. The sensing range is now located a fraction above the con‐

veyor belt.

Figure 8: WTS26 sensing range setting

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

yellow LED indicator does not light up during the test run, the sensing range is set

correctly.

COMMISSIONING

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Figure 9: WTS26 sensing range setting

4 If the object is in the path of the beam and the yellow LED indicator lights up, the

sensing range is set correctly.

Figure 10: WTS26 sensing range setting

7.4 Time function setting

1

0

T1

T2

M

T4

T3

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 COMMISSIONING

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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

WTS26x-xxxxxxxxAxx:

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

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15

LED indicator/fault pattern Cause Measures

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

WTS only: yellow LED flashes

quickly

When adjusting the sensing

range, the light spot is only

half on the object or on a very

high-contrast object

Sensing range setting accord‐

ing tochapter 7.3

Yellow LED lights up, no object

in the path of the beam

The sensing range distance is

too large

Reduce the sensing range

Object is in the path of the

beam, yellow LED does not

light up

Distance between the sensor

and the object is too long or

sensing range is set too short

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).

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

WTS26P

Sensing range max. 10 mm ... 1000 mm

1)

Light spot diameter/distance Ø 10 mm / 550 mm

Supply voltage U

B

DC 10 ... 30 V

Ripple ≤ 5 V

SS

Current consumption ≤ 30 mA

2)

10 DISASSEMBLY AND DISPOSAL

16

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Subject to change without notice

WTS26P

< 50 mA

3)

Output current I

max.

≤ 100 mA

Max. response time ≤ 1.4 ms

4)

Switching frequency 350 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)

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

9)

1)

Object with 90 % remission (based on standard white DIN 5033)

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

4

3

21.6

(0.85)

1

2

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)

21.6

(0.85)

53.3 (2.1)

5

Figure 11: Dimensional drawing 1, cable

1

Center of optical axis, sender

2

Center of optical axis, receiver

3

Fixing hole Ø 5.2 mm

4

connection

5

Display and setting elements

M12

4

3

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)

53.3 (2.1)

63.9 (2.52)

21.6

(0.85)

1

2

32.4 (1.28)

21.6

(0.85)

5

Figure 12: Dimensional drawing 2, male

connector

TECHNICAL DATA 12

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Subject to change without notice

17

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

WTS26

de

en

es

fr

it

ja

pt

ru

zh

Beschriebenes Produkt

W26

WTS26

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

8020355.19RH / 15.01.2021 | SICK

Subject to change without notice

19

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