SICK WTB4FP MultiSwitch Manual de usuario

OPERATING INSTRUCTIONS

WTB4FP MultiSwitch

Miniature photoelectric sensors

OPERATING INSTRUCTIONS

WTB4FP MultiSwitch

Miniature photoelectric sensors

Described product

W4F

WTB4FP MultiSwitch

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

SAFETY

8025665.1C7L/2021-09-03 | SICK O P E R A T I N G I N S T R U C T I O N S | WTB4FP MultiSwitch 3

Subject to change without notice

Contents

1 General safety notes................................................................................ 5

2 Notes on UL approval............................................................................... 5

3 Product description.................................................................................. 5

3.1 Intended use............................................................................ 5

3.2 Operating elements and status indicators............................. 5

4 Mounting................................................................................................... 6

5 Electrical installation................................................................................ 6

6 Commissioning......................................................................................... 7

6.1 Alignment................................................................................. 7

6.2 Check the application conditions:.......................................... 8

6.3 Setting...................................................................................... 10

6.4 Process data structure............................................................ 12

7 Troubleshooting........................................................................................ 12

8 Disassembly and disposal....................................................................... 13

9 Maintenance............................................................................................. 13

10 Technical specifications........................................................................... 13

10.1 Dimensional drawings............................................................. 14

CONTENTS

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Subject to change without notice

1 General safety notes

■Read the operating instructions before commissioning.

■

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

specialists.

■

2006/42/EC

SAFETY

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

■

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

(sunlight) or other weather influences, unless this is expressly permitted in the

operating instructions.

■When commissioning, protect the device from moisture and contamination.

■These operating instructions contain information required during the life cycle of

the sensor.

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

3 Product description

3.1 Intended use

The WTB4F is an opto-electronic photoelectric background suppression proximity sen‐

sor (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.

3.2 Operating elements and status indicators

Photoelectric proximity sensor with background suppression.

1BluePilot blue: operating mode, Switching state QL1, QL2

2Teach-Button: adjusting the sensing range

3LED indicator yellow: status of received light beam

GENERAL SAFETY NOTES 1

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4LED indicator green: supply voltage active

4 Mounting

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

ries).

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

Note the sensor’s maximum permissible tightening torque of < 0,4 Nm.

Note the preferred direction of the object relative to the sensor, cf. see figure 1, page 6.

5 Electrical installation

Operation in standard I/O mode:

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

be observed, depending on the connection type:

– Male connector connection: Pin assignment

– Cable: Wire color

Only apply voltage/switch on the voltage supply once all electrical connections have

been established.

Operation in IO-Link mode: Connect the device to a suitable IO-Link master and inte‐

grate in the master or control via IODD/function block. The green LED flashes on the

sensor. IODD and function block are available to download from www.sick.com under

the part number.

Explanations on connection diagram.

BN = brown

WH = white

BU = blue

BK = black

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

QL1/C = switching output, IO-Link communication

Test = Test input

UB: 10 ... 30 V DC

4 MOUNTING

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Table 1: Electrical connection

WTB4Fx- x4 x2 xH

1 = BN

2 = WH

3 = BU

4 = BK

4 3

0.14 mm2

AWG26

Table 2: DC

WTx4Fx-

Push-pull xx16DxxxA00 xx16RxxxA00 xx16xxxxA01-A99

PNP xx86DxxxA00 xx86RxxxA00 xx86xxxxA01-A99

1 = BN + (L+)

2 = WH MF

3 = BU - (M)

4 = BK QL1 / C

Default: MF QL2 QL2 www.sick.com

8022709

Default: QL1 / C QL1 QL1 www.sick.com

8022709

Table 3: Push-pull, PNP, NPN

QL1 QL2

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)

Push-pull

PNP

NPN

+ (L+)

Q≤ 100 mA

‒ (M)

Push-pull

PNP

NPN

+ (L+)

Q≤ 100 mA

‒ (M)

6 Commissioning

6.1 Alignment

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].

ELECTRICAL INSTALLATION 5

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Figure 2: Alignment

Figure 3: Alignment

6.2 Check the application conditions:

Sensing range

WTB4F 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:

Schaltabstand und Distanz zum Objekt bzw. Hintergrund sowie Remissionsvermögen

des Objekts mit dem zugehörigen Diagramm abgleichen (x = Schaltabstand, y = Mind‐

estabstand zwischen eingestelltem Schaltabstand und Hintergrund (weiß, 90%)) Remis‐

sion: 6 % = schwarz 1, 18 % = grau 2, 90 % = weiß 3 (bezogen auf Standardweiß

nach DIN 5033). Wir empfehlen, die Einstellung mit einem Objekt von niedriger Remis‐

sion vorzunehmen.

Die minimale Distanz (= y) für die Hintergrundausblendung kann aus der Abbildung

figure 4 wie folgt ermittelt werden:

Beispiel: x = 100 mm, y = 4 mm. D. h. der Hintergrund (weiß, 90%) wird ab einer

Distanz von > 4 mm vom Sensor ausgeblendet.

WTB4FP-xx6x15X:

6 COMMISSIONING

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(0.79)

(0.39)

(1.57)

(1.18)

(1.97)

(3.15)

(1.57)

120

(4.72)

160

(6.30)

200

(7.87)

240

(9.45)

Minimum distance in mm (y) between the set sensing

range and white background (90 % remission)

Example:

Safe suppression of the background

White background (90 %)

Black object (6 % remission)

Set sensing range x = 120 mm

Needed minimum distance to white

background y = 7 mm

Distance in mm (inch)

Recommended sensing range for

the best performance

(2.36)

90%/90%

18%/90%

6%/90%

Figure 4: Characteristic line

815

715

4 220

Distance in mm (inch)

210

215

(3.15)

(1.57)

120

(4.72)

160

(6.30)

200

(7.87)

240

(9.45)

A B

Figure 5: bar graph

Distance in mm (inch)

Dimensions in mm (inch)

(0.16)

(0.24)

–6

(–0.24)

–4

(–0.16)

(0.08)

–2

(–0.08)

(0.39)

220

(8.66)

(3.15)

(1.57)

120

(4.72)

160

(6.30)

200

(7.87)

240

(9.45)

130

(5.12)

Recommended sensing range for

the best performance

Figure 6: Light spot size

WTB4FP-xx6x25X:

(1.57)

(0.79)

(2.36)

(3.15)

100

(3.94)

WTB4FP

Minimum distance in mm (y) between the set sensing

range and white background (90 % remission)

Example:

Safe suppression of the background

White background (90 %)

Black object (6 % remission)

Set sensing range x = 40 mm

Needed minimum distance to white

background y = 2 mm

Distance in mm (inch)

Recommended sensing range for

the best performance

(0.79)

(0.63)

90%/90%

(0.47)

(0.31)

(0.16)

6%/90%

1%/90%

18%/90%

Figure 7: Characteristic line

6515

59515

515

415

398

100

0 80

(3.15)

(0.79)

(1.57)

(2.36)

100

(3.94)

Distance in mm (inch)

A B

Figure 8: bar graph

Distance in mm (inch)

Dimensions in mm (inch)

(0.16)

(0.24)

–6

(–0.24)

–4

(–0.16)

(0.08)

–2

(–0.08)

(0.39)

100

(3.94)

(0.79)

(1.57)

(2.36)

(3.15)

100

(3.94)

(1.97)

Recommended sensing range for

the best performance

Figure 9: Light spot size

ASensing range min. in mm

BSensing range max. in mm

CViewing range

DSetting range switching threshold for background suppression

ESensing range indicator

FTeach-Turn adjustment

blue Recommended sensing range for the best performance

COMMISSIONING 6

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6.3 Setting

Sensing range adjustment

WTB4FP-xxxxxx50A00

1 7

3 4 5

BluePilot LED #4: Operating mode 2 switching points

1 - 3 QL1 active

5 - 7 QL2 active

BluePilot LED #7: Operating mode distance value via IO-Link

1 - 6 off

6 COMMISSIONING

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