Industrial Safety Systems

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1 T ST ndustrial Safety Systems WSU/WU26-3 Single-beam hotoelectric Safety Switch

2 WSU/WU26-3 Single-beam photoelectric safety switch Universal in application elay outputs obust design arge scanning range ront screen heating verview of technical specifications Scanning range (depending on type) ight sender/type of light onstruction size Supply voltage roduct description The photoelectric safety switch WSU/ WU26-3 is used for access protection of hazardous areas on machines or plants. The devices are permanently mounted in the access area with the necessary safety n-system added value ombined with S safe control solutions pplications obots rocessing machines achining centres 0.5 m m / 15 m m nfrared light 156 mm x 50 mm x 116 mm 24 V nclosure rating 67 mbient operating temperature from... to Type Type 4 ( 61496) erformance evel e (N S 13849) distance from the nearest hazardous point and send a shutdown signal to the machine or system when the light beam is interrupted. You can find more combinations using the product finder at You can find more applications using the application finder at alletiser systems igh-bay warehouses Transfer lines ccess protection on a machining centre ccess protection with mirror deflection urther information age imensional drawings 5 onnection diagrams 5 ccessories 6 S - ndustrial Safety Systems - ermany. 2 ll rights are reserved. Subject to change without notice.

3 Single-beam photoelectric safety switch WSU/WU26-3 rdering information Supply voltage: 24 V onnection type: gland nclosure rating: 67 Technical specifications eneral data Sender eceiver Scanning range Type art number Type art number 0.5 m m WSU26/ WU26/ m m WSU26/ WU26/ You can find more detailed data in the operating instructions. ownload at System part Sender eceiver Scanning range (depending on type) 0.5 m m / 15 m m Number of beams 1 Synchronisation etection capability ptical, without separate synchronization cable S - ndustrial Safety Systems - ermany. ll rights are reserved. Subject to change without notice mm Wave length 950 nm rotection class (N 50178:1998) 1) nclosure rating 67 (N 60529) Safety related parameters Type Type 4 ( 61496) Safety integrity level S3 ( 61508), S3 ( 62061) ategory ategory 4 (N S 13849) erformance evel e (N S 13849) 10d parameter 1 x 10 6 switching cycles (at -15, 230 V, 0.4 ) 2,6 x 10 5 switching cycles (at -15, 230 V, 2.0 ) 1 x 10 6 switching cycles (at -13, 24 V, 0.6 ) 2 x 10 5 switching cycles (at -13, 24 V, 1.5 ) d (mean probability of a dangerous failure per hour) 4,0 x 10-9 imensions (W x x ) ousing material T (ission Time) 20 years 156 mm x 50 mm x 116 mm luminum diecast mbient operating temperature from... to Storage temperature from... to ir humidity from... to 15 % %, Non-condensing Vibration resistance 5 g, 10 z z ( ) Shock resistance 10 g, 16 ms ( ) Weight ront screen heating 1) equires safe extra-low voltage SV/V 1 kg

4 WSU/WU26-3 Single-beam photoelectric safety switch lectrical data onnection type gland Supply voltage V s 24 V (19.2 V V ) 1) aximum power consumption 6 W 8 W Switch-on time ax. 10 s 2) Test input Volt-free N/ contact Switching outputs elay ontact material g alloy with u coating aximum response time ax. 22 ms Switching current Switching voltage 10 V V 10 V V Usage category in compliance with /N /-13 echanical life (relay contacts) 1 x 10 7 switching cycles 1) The external voltage supply must be capable of of buffering brief mains voltage failures of 20 ms as specified in N Suitable power supples are available as accessories from S. 2) fter applying the supply voltage to sender and receiver S - ndustrial Safety Systems - ermany. 4 ll rights are reserved. Subject to change without notice.

5 Single-beam photoelectric safety switch WSU/WU26-3 imensional drawings x onnection diagrams You can find connection diagrams at 96 imensions in mm S - ndustrial Safety Systems - ermany. ll rights are reserved. Subject to change without notice. 5

6 WSU/WU26-3 Single-beam photoelectric safety switch ccessories ounting systems roperty tems supplied Type art number Spring fastening or S 1-4ST ixing bracket or S ounting bracket or WSU/W26/2, WSU/WU WN ower supply units igure nput voltage utput voltage utput current art number eflector mirrors 1) aser alignment aid 100 V V 24 V igure irror surface eflection angle tems supplied Type art number 1) eduction of the scanning range 75 mm x 80 mm ncluding mounting adapter (two pieces swivel mount) NS mm x 124 mm S mm x 97 mm 90 or 90 deflection, incl. mounting set, not suitable for column mounting S igure Type art number aser alignment aid dapter 60 WSU/WU26/2, WSU/WU S - ndustrial Safety Systems - ermany. 6 ll rights are reserved. Subject to change without notice.

7 Single-beam photoelectric safety switch WSU/WU26-3 evice protection igure esignation Type art number resentation similar expansion rc-suppressor Test rod holder -3WN mm diameter Test rod Snow protection tube ust protection tube onstruction size Type art number 13/21 expansion Two-way splitter esignation Type art number 0.22 µ/220 hm for 110 V V µ/100 hm for 24 V / V / S - ndustrial Safety Systems - ermany. ll rights are reserved. Subject to change without notice. 7

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