SICK WLD16 Manuale utente

OPERATING INSTRUCTIONS

WLD16

OPERATING INSTRUCTIONS

WLD16

Described product

W16

WLD16

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

28020352.19RH / 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.................................................................................. 7

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

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

8 Troubleshooting................................................................................. 9

9 Disassembly and disposal............................................................... 10

10 Maintenance...................................................................................... 10

11 Technical data.................................................................................... 10

11.1 Dimensional drawings.............................................................................. 11

CONTENTS

8020352.19RH / 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

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 WLD16 is an opto-electronic photoelectric retro-reflective sensor (referred to as

“sensor” in the following) for the optical, non-contact detection of objects, animals, and

persons. A reflector is required for it to function. 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

1LED indicator yellow: status of received light beam

2LED indicator green: supply voltage active

1 SAFETY INFORMATION

48020352.19RH / 15.01.2021 | SICK

Subject to change without notice

4 Mounting

Mount the sensor and the reflector using suitable mounting brackets (see the SICK

range of accessories). Align the sensor and reflector with each other.

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 on connection diagram:

Alarm = alarm output

Health = alarm output

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

Table 1: Connections

Table 2: WLD, DC

WLD16x-

Push-pull x4112xxxZZZ xH112xxxZZZ x4111xxxZZZ xH111xxxZZZ

PNP x4812xxxZZZ xH812xxxZZZ x4811xxxZZZ xH811xxxZZZ

1+ (L+)

2Q Q Q Q

3- (M)

4Q Q Q Q

4 3

1 = brn

2 = wht

3 = blu

4 = blk

0.14 mm2

AWG26

4 3

1 = brn

2 = wht

3 = blu

4 = blk

0.14 mm2

AWG26

MOUNTING 4

8020352.19RH / 15.01.2021 | SICK

Subject to change without notice 5

Table 3: DC

WLD16x-

Push-pull x4115xx

xZZZ

xH115xx

xZZZ

x4113xx

xZZZ

xH113xx

xZZZ

x4116xx

xZZZ

xH116xx

xZZZ

x4114xx

xZZZ

xH114xx

xZZZ

PNP x4815xx

xZZZ

xH815xx

xZZZ

x4813xx

xZZZ

xH813xx

xZZZ

x4816xx

xZZZ

xH816xx

xZZZ

x4814xx

xZZZ

xH814xx

xZZZ

1+ (L+)

2Alarm Alarm Alarm Alarm Health Health Health Health

3- (M)

4Q Q Q Q Q Q Q Q

4 3

1 = brn

2 = wht

3 = blu

4 = blk

0.14 m

AWG26

4 3

1 = brn

2 = wht

3 = blu

4 = blk

0.14 m

AWG26

4 3

1 = brn

2 = wht

3 = blu

4 = blk

0.14 m

AWG26

4 3

1 = brn

2 = wht

3 = blu

4 = blk

0.14 m

AWG26

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

68020352.19RH / 15.01.2021 | SICK

Subject to change without notice

6 Additional functions

Alarm

Alarm output: The sensor (WLD16) features a pre-failure notification output (“Alarm” in

connection diagram [see table 2]), 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 output: The sensor (WLD16) features a pre-failure notification output (“Health”

in connection diagram [see table 2]), which issues a notification if the sensor is only

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

causes: Sensor or reflector is contaminated, sensor is out of alignment, cable is dam‐

aged. 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.

Table 5: Alarm / Health

Alarm (≤ 100 mA) Health (≤100 mA)

+ (L+)

Alarm

‒ (M)

+ (L+)

Health

‒ (M)

+ (L+)

Alarm

‒ (M)

+ (L+)

Health

‒ (M)

7 Commissioning

7.1 Alignment

Align the sensor with a suitable reflector. Select the position so that the red emitted

light beam hits the center of the reflector. The sensor must have a clear view of the

reflector, with no object in the path of the beam [see figure 1]. You must ensure that the

optical openings of the sensor and reflector are completely clear.

ADDITIONAL FUNCTIONS 6

8020352.19RH / 15.01.2021 | SICK

Subject to change without notice 7

Figure 1: Alignment

7.2 Check the application conditions

Adjust the distance between the sensor and the reflector according to the correspond‐

ing diagram [see table 6] (x = sensing range, y = operating reserve).

Table 6: Application conditions

100

Operating reserve

(13.12)

(26.25)

(39.37)

(52.49)

Distance in m (feet)

Sensing range

WLD16P-xxxxx1xx

Figure 2: Characteristic line 1

1Reflector PL22

2Reflector P250

3Reflector PL20A

4Reflector PL30A

5Reflector PL40A

6Reflector C110

7Reflector PL80A

0.3 4 6

0.25 8 12

0.25 4 6

0.25 8 12

0.25 10 14

Sensing range

Distance in m (feet)

Sensing range max.

(13.12)

(26.25)

(39.37)

(52.49)

Figure 3: Bar graph 1

7 COMMISSIONING

88020352.19RH / 15.01.2021 | SICK

Subject to change without notice

100

Operating reserve

(13.12)

(26.25)

(39.37)

(52.49)

Distance in m (feet)

Sensing range

WLD16P-xxxxx1xx

Figure 4: Characteristic line 2

1Reflector PL20 CHEM

2Reflector PL250 CHEM

3Reflector P250H

4Reflector PL40 Antifog

0.25 3 5

0.25 8 12

0.25 5 7

Sensing range

Distance in m (feet)

Sensing range max.

(13.12)

(26.25)

(39.37)

(52.49)

0.25 6 9

Figure 5: Bar graph 2

100

WLD16P-xxxxx1xx

(6.56)

(19.69)

(32.81)

Operating reserve

Distance in m (feet)

Sensing range

(13.12)

(26.25)

Figure 6: Characteristic line 3

1REF-IRF (50x70 mm)

0.3 3 4.5

Sensing range

Distance in m (feet)

Sensing range max.

(6.56)

(13.12)

(19.69)

(3.28)

(9.84)

(16.4)

Figure 7: Bar graph 3

8 Troubleshooting

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

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

Yellow LED flashes Distance between sensor

and reflector is too large /

light beam is not completely

aligned to the reflector /

reflector is not suitable / Front

screen and/or reflector is con‐

taminated.

Check sensing range / check

alignment / SICK reflector is

recommended / Cleaning of

the optical surfaces (sensor

and reflector).

TROUBLESHOOTING 8

8020352.19RH / 15.01.2021 | SICK

Subject to change without notice 9

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