SICK WEU 26/2 Technical Description
  1. Manuals
  2. Brands
  3. SICK Manuals
  4. Security Sensors
  5. WEU 26/2
  6. Technical description

SICK WEU 26/2 Technical Description

Photoelectric safety switch
Hide thumbs Also See for WEU 26/2:
Table of Contents

Advertisement

Quick Links

T E C H N I C A L
D E S C R I P T I O N
WSU 26/2 – WEU 26/2
Photoelectric Safety Switch
‡
EASY INSTALLATION
†
‡
UNIVERSAL
USABILITY†
‡
SOLID CONSTRUCTION
†

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the WEU 26/2 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for SICK WEU 26/2

Summary of Contents for SICK WEU 26/2

  • Page 1 T E C H N I C A L D E S C R I P T I O N WSU 26/2 – WEU 26/2 Photoelectric Safety Switch ‡ EASY INSTALLATION † ‡ UNIVERSAL USABILITY† ‡ SOLID CONSTRUCTION †...

  • Page 2: Table Of Contents

    WSU 26/2 - WEU 26/2. Inspection and products. commissioning must be carried out by specialists, if this is specified in the directives or guidelines. 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 3: General Introduction

    Range Fig. 1: System construction of the WSU 26/2 / WEU 26/2 photoelectric safety switch 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 4: Device/System Construction

    WSU is interrupted (testing), 11 Test contact both relays are released. Fig. 2: Principle of function of the WSU/WEU 26/2, AC version 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 5: Possible Areas Of Application And Application Conditions

    The protective function of the WSU/WEU is ensured when the conditions set out in the adjacent box are met. 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 6: Mechanical Arrangement

    Use and mounting of the protective systems is subject to the rele- vant official rules and regulations. These provisions differ depending on the area of application. 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 7: Mechanical Mounting

    Figures 5 a and b, hexagon screws must be used. Fig. 5: Mounting options using a mounting bracket 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 8: Multiple Safeguarding

    15 m. The operating range is given on the rating plate. Fig. 6: Safeguarding a hazardous area with WSU/WEU 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 9 SICK WSU 26/2 – WEU 26/2 Fig. 7: Mounting of two WSU/WEU units in series 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 10: Corner Mirrors

    The use of more than 2 mirrors requires a very accurate alignment. Fig. 8: Multi-sided protection of hazardous areas 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 11: Mounting

    Fig. 11: Correct mounting, correctly aligned: reflective object outside divergent light beam. No reflection. The obstacle is clearly detected. 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 12 4° 2000 1500 1000 a (18 m) RW (m) Fig. 12: Distance a as a function of scanning range SR 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 13: Electrical Connection

    (see Technical Data). Tab. 3: Overview for arc-suppression elements 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 14: Wiring Diagram

    U 24 V DC Imax. 2 A per output 10 mA ≥ 50 ms Imin. 0.02 A per output Opening time 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 15 E or 4 Equipment plug PE +24V 0V Fig. 15: Wiring diagram WSU/WEU 26/2 for 24 V DC supply, interchangeable design 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 16 Ö 1/2 n.c. n.c. n.c. Ö 1/2 Fig. 17: Pin assignment WSU/WEU 26/2, AC/DC version with equipment plug (15 + PE) 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 17 PG 13.5 29.5 29.5 13.5 Order no. 2 019 075 29.5 29.5 29.5 Fig. 19: Cable receptacles 15 + PE 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 18 C1 D1 PE C2 D2 PE T3 T4 C3 D3 PE C4 D4 14 24 32 +24V +24V Test Test PE PE Fig. 20: WSU/WEU 26/2 with Safety Interface LCU-X 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 19 Use PG 21 (order no. 5 305 978) and PG extension (order no. 5 306 052). Fig. 21: WSU/WEU 26/2 with PNOZ 8 (Pilz); BIA-tested application no. 01131202933 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 20 Fig. 22: Example of a connection with one WSU/WEU-26 system 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 21 Fig. 23: Example of a connection with two WSU/WEU-26 systems 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 22: Commissioning

    WSU and WEU if they are correctly mounted. optic electronic Fig. 25: Laser alignment aid AR 60 and WSU/WEU 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 23: Maintenance

    Light beam broken, testing performed, no operating voltage applied No operating voltage applied, light received from sender Tab. 4: Functioning of the LEDs 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 24 WEU are permanently lit Interference of another emitter element WEU must only respond to the corresponding WSU Electronic card defective Replace unit 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 25 10 g, 16 ms to IEC 68-2-29 Weight Sender unit Approx. 0.9 ... 1.3 kg Receiver unit Approx. 1.0 ... 1.4 kg 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 26 13 Dimensional Drawing SICK WSU 26/2 – WEU 26/2 13 Dimensional Drawing 15.5 PG13.5 Dimensional Drawing WSU 26/2-xx0 and WEU 26/2-xx0 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 27 SICK WSU 26/2 – WEU 26/2 15.5 Dimensional Drawing WSU 26/2-xx4 and WEU 26/2-xx4 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 28 SICK WSU 26/2 – WEU 26/2 15.5 Dimensional Drawing WSU 26/2-xx1 and -xx3 and WEU 26/2-xx1, -xx2 and -xx3 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 29 1 4 6 .5 Corner mirror PSK 45 Mounting set for PSK 1 Order number 5 306 053 Order number 2 012 473 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 30 SICK WSU 26/2 – WEU 26/2 50.5 Snow shield Order number 1 003 619 50.5 Dust shield Order number 1 003 556 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 31 0.5 ... 18 m WSU/WEU 26: 20 ms 30 ... 60 m 15 ... 70 m WSU/WEU 26/2: 22 ms 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 32: Selection Table Wsu/Weu

    WEU are not met: distances in these cases, the square 15-pin + PE plug must be used. 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 33 1 015 728 WEU 26/2-232 1 015 754 WEU 26-733 WSU 26/2-133 1 015 729 WEU 26/2-233 1 015 755 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...

  • Page 34: Selection Table Accessories

    2 cables with PNOZ 8 PG extension PG 13.5 to PG 21 5 306 052 for use of 2 cables with PNOZ 8 8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved...
  • Page 35 Phone +16 12/9 41-67 80 +16 12/9 41-92 87 Representatives and agencies in all major industrial nations. SICK AG · Safety Systems · P.O. Box 310 · D-79177 Waldkirch Phone +49 76 81/2 02-0 · Fax +49 76 81/2 02-38 15 · http://www.sick.de...

This manual is also suitable for:

Wsu 26/2

Table of Contents