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Summary of Contents for SICK WEU26-3
- Page 1 O P E R A T I N G I N S T R U C T I O N S WSU/WEU26-3 Single-beam Photoelectric Safety Switch...
- Page 2 This document is protected by the law of copyright, whereby all rights established therein remain with the company SICK AG. Reproduction of this document or parts of this document is only permissible within the limits of the legal determination of Copyright Law. Alteration or abridgement of the document is not permitted without the explicit written approval of the company SICK AG.
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Page 3: Table Of Contents
5.2.1 Pin assignment sender ..............23 5.2.2 Tested ....................23 5.2.3 Pin assignment receiver ..............24 Arc-suppression....................25 Cross-circuit monitoring ..................25 Overcurrent protection (fuse) ................25 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... - Page 4 Compliance with EU directives................40 11.2 Checklist for the manufacturer ................41 11.3 List of tables ....................... 42 11.4 List of illustrations ....................42 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24 Subject to change without notice...
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Page 5: About This Document
General information on accident prevention using opto-electronic protective devices can be found in the brochure “Guidelines Safe Machinery – Six steps to the safe machine”. 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... -
Page 6: Abbreviations
Chapter 1 Operating Instructions WSU/WEU26 3 Note We also refer you to the SICK homepage on the Internet at www.sick.com. Here you will find information on: • sample applications, • these operating instructions in different languages for viewing and printing, •... -
Page 7: On Safety
It must not be possible to start the plant/system as long as personnel are within the hazardous area. The WSU/WEU26-3 devices are intended only for use in industrial environments. When used in residential areas it can cause radio interferences. -
Page 8: Correct Use
All warranty claims against SICK AG are forfeited in the case of any other use, or alterations being made to the WSU/WEU26@3 devices, even as part of their mounting or installation. -
Page 9: Environmental Protection
Metal recycling (aluminium) Circuit boards, cable, connector and Electronic recycling electrical connecting pieces Packaging Cardboard, paper Paper/cardboard recycling Polyethylene packaging Plastic recycling 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... -
Page 10: Product Description
Operating principle of the device The single-beam photoelectric safety switch consists of a WSU26-3 sender unit and a WEU26-3 receiver. The sender unit WSU26-3 emits a beam of light that is received by the receiver unit WEU26-3. Fig. 1: Key data for the WSU/WEU26&3 devices... -
Page 11: Scanning Range
Ensure the optical properties of the front screen are not changed by the formation of droplets, mist, frost or ice, otherwise there will be a hazard for the operator. WARNING 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... -
Page 12: Structure And Function
Output signal switching devices off, light path interrupted or inadequate alignment. Prior to the complete interruption of the light path the signal was weak. © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24 Subject to change without notice... -
Page 13: Application Example
Fig. 4: Access guarding with WSU/WEU26&3 Hazardous point Mechanical protection Access guarding with WSU/WEU26@3 Direction of entry into the hazardous area 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... -
Page 14: Mounting
• response time of the entire protective device, • reach or approach speed, • other parameters that are stipulated by the standard depending on the application. © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24 Subject to change without notice... -
Page 15: Subject To Change Without Notice
T = 290 ms + 22 ms = 312 ms = 0.31 s S = 1,600 × 0.31 + 850 = 1,346 mm 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... -
Page 16: Subject To Change Without Notice
The applicable legal and official regulations apply to the use and mounting of the protective device. These regulations vary depending on the application. © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24 Subject to change without notice... -
Page 17: Minimum Distance To Reflective Surfaces
[mm] = 131 D > 3 m a [mm] = tan (2.5°) x 1,000 x D [m] = 43.66 x D [m] 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... -
Page 18: Mutual Interference Of Systems In Close Proximity
Mechanical mounting WSU26-3 and WEU26-3 are to be mounted to suit the local conditions on one of the sides of their housing or using the mounting bracket. The mounting bracket significantly eases alignment. The device can be operated in any position. WSU26-3 and WEU26-3 are, however, to be mounted such that the axis of the beam emitted by the WSU26-3 is always aligned with the axis of the WEU26-3 optics (alignment sight, see Fig. -
Page 19: Subject To Change Without Notice
Mounting Operating Instructions Chapter 4 WSU/WEU26 3 Fig. 9: Mounting possibilities using mounting brackets Mounting bracket Part number 2007900 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... -
Page 20: Deflector Mirror
Hazardous area Machine Deflector mirror Deflector mirror Hazardous area Machine Mirror deflection Safety distance possible too short Machine © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24 Subject to change without notice... -
Page 21: Subject To Change Without Notice
Fig. 13: Correct alignment of Deflector mirror sender and receiver Field of view 5° 90˚ Reflective surface 90˚ Field of view 5° Deflector mirror 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... -
Page 22: Electrical Installation
Fasten the cover to the related torque (see chapter 10.4 “Dimensional drawings”). • After opening the cover, the complete commissioning function test must be performed (see chapter 6 “Commissioning”). © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24 Subject to change without notice... -
Page 23: System Connection
Use test function for the purpose described! The test input is only allowed to be used in the manner described. WARNING 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... -
Page 24: Pin Assignment Receiver
The cross-circuit monitoring on the connecting cables between the normally open contacts Note 4 and 5 or 8 and 9 on the WEU26-3 is provided by the safety controller UE43. © SICK AG • Industrial Safety Systems • Germany • All rights reserved... -
Page 25: Arc-Suppression
Design: encapsulated in plastic; Connection wires NYAF Ø 0.5 with cable lug; Mounting using adhesive film or cable tie. Cross-circuit monitoring The cables for the relay contacts are not monitored for cross-circuits by the WEU26-3. Suitable measures Take suitable measures for cross-circuit monitoring. -
Page 26: Commissioning
For optimal alignment the sender and receiver, the boundaries are to be determined by pivoting the sender unit and receiver unit horizontally and vertically. On leaving the related optical area, the yellow diagnostics LED on the WEU26-3 starts to illuminate. Then fasten sender and receiver in the middle of the optical area determined. -
Page 27: Alignment Using The Ar60 Laser Alignment Aid
AR60 WSU/WEU26@3 Alignment sight Fixing screw M4 × 10 Alignment aid AR60 Adapter for WSU/WEU26@3 WSU26@3 sender WEU26@3 receiver 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... -
Page 28: Test Notes
In this case the installation of the WSU/WEU26@3 devices must be checked by qualified safety personnel. © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24 Subject to change without notice... -
Page 29: Regular Inspection Of The Protective Device By Qualified Safety Personnel
If major changes have been made to the machine or the protective device, or if the single-beam photoelectric safety switch has been modified or repaired, check the plant again as per the checklist in the annex. 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... -
Page 30: Care And Maintenance
Static charges cause dust particles to be attracted to the front screen. You can reduce this Note effect by using the antistatic plastic cleaner (SICK part number 5600006) and the SICK lens cloth (part number 4003353). How to clean the front screen: Use a clean and soft brush to remove dust from the front screen. -
Page 31: Fault Diagnosis
3 seconds and then back on again. power up If the error continues to occur: delay 10 %) Replace the device. 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... - Page 32 Mount non-reflective field of view guards, if necessary. If the error continues to occur: Replace the device. © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24 Subject to change without notice...
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Page 33: Technical Specifications
EN 60204. Suitable power supplies are available as accessories from SICK. The maximum supply voltage limits must not be exceeded, minimum levels must be achieved. For detailed information on the exact design of your machine/system, please contact your local SICK representative. - Page 34 1 kg Connect the contacts on the WSU26-3 only to circuits that comply with the requirements for safety extra-low voltage (SELV/PELV). © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24 Subject to change without notice...
- Page 35 Polycarbonate (scratch-resistant coating) Circuit boards Glassfibre reinforced epoxy resin Packaging Corrugated cardboard When using copper cables ([ = 0.018 U mm /m). 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice...
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Page 36: Ordering Information
2.2 µF + 100 U (24 V) Dust protection tube 1003556 Weather protection 1003619 Test rod bracket BEF-3WNAAAAL1 2052249 Test rod, 30 mm 2022602 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24 Subject to change without notice... -
Page 37: Dimensional Drawings
Fig. 20: Deflector mirror PSK1 Fig. 21: Bracket for PSK1 M8 x 30 SW13 deflector mirror 1 M8 x 30 SW13 16.5 33.5 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... - Page 38 6 9 .5 1 4 6 .5 8 .5 Fig. 24: Mounting bracket WSU/WEU Fig. 25: Arc-suppression element 115 ... 230 V © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24 Subject to change without notice...
- Page 39 Chapter 10 WSU/WEU26 3 Fig. 26: Arc-suppression element 24 V Fig. 27: Dust protection tube 50.5 Fig. 28: Weather protection 50.5 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice...
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Page 40: Annex
Complete EU declaration of conformity for download: www.sick.com © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24 Subject to change without notice... -
Page 41: Checklist For The Manufacturer
18. Has the information label for the daily check been attached so that it is easily visible for the operator? This checklist does not replace the initial commissioning, nor the regular inspection by qualified safety personnel. 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... -
Page 42: List Of Tables
Tab. 15: Ordering information devices ................36 Tab. 16: Ordering information deflector mirrors............... 36 Tab. 17: Ordering information accessories ..............36 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 8013338/YTA4/2016-03-24 Subject to change without notice... -
Page 43: List Of Illustrations
Arc-suppression element 115 ... 230 V ..............38 Fig. 26: Arc-suppression element 24 V................39 Fig. 27: Dust protection tube ...................39 Fig. 28: Weather protection .....................39 8013338/YTA4/2016-03-24 © SICK AG • Industrial Safety Systems • Germany • All rights reserved Subject to change without notice... - Page 44 Phone +386 (0)1-47 69 990 E-Mail ghk@sick.com.hk E-Mail office@sick.si Hungary South Africa Phone +36 1 371 2680 Phone +27 11 472 3733 More representatives and agencies E-Mail office@sick.hu E-Mail info@sickautomation.co.za at www.sick.com SICK AG | Waldkirch | Germany | www.sick.com...
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