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170 sensick catalogue t lichtschranken baureihe wl 27-2 lichtschranken baureihe wl 27-2 w 18-2: integrated state- of-the-art technology for intelligent solutions the w 18-2 series of photoelec- tric switches is ideal for handling systems as well as for packaging machines and other complex tasks. wt 18-2 photoelectric proximity switches, wl 18-2 photoelectric reflex switches, or ws/we 18-2 through-beam photoelectric switches C thanks to their glass-fibre-reinforced and fully welded plastic housing, all of these sensors have the robust- ness required for industrial appli- cations. extremely large scanning ranges are an additional feature: up to 20 metres for the through- beam photoelectric switch, up to 7 metres for the photoelectric reflex switch and 600 mm or 700 mm for the photoelectric proximity switch (depending on whether a red light or infrared light source is used). furthermore, the devices also incorporate a large number of features that are usually only found in special versions, e.g. the test input of the ws/we 18-2 and wl 18-2, the adjustable scanning distance with back- ground suppression of the wtv 18-2, individual plugs, or status leds as signal strength indicators, alignment aids, or pre- failure signalling output. the wtv 18-2 photoelectric prox- imity switch has been specially developed for and with the pack- aging industry. its features include: its broad optical basis, internally adjustable optics, state- of-the-art electronics, powerful background suppression and op- timised light spot geometry which together provide a previously unattainable level of immunity against ambient reflections. the detection of plastic bags on a conveyor belt, glossy and differ- ently sized coffee packets or drinks cartons before being packed, cakes packed in plastic film on a stainless steel chain conveyor, or drinking straws attached to drinks containers C all of these tasks can be mastered without any problem with the wtv 18-2. through-beam photoelectric switches w 18-2 photoelectric switches photoelectric reflex switches photoelectric proximity switches, bgs
171 sensick catalogue wl 27-2 m wtv 18-2 sensors used to check the presence of objects along the individual lanes of a packaging line for packs of coffee. n leak test for plastic bottles: wt 18-2 sensors used to check the presence of test objects in the automatic machine. b transparency poses no problems: the wl 18-2 photoelectric reflex switch monitors the edges of packaging film. v is the packaging unit complete? wt 18-2 photoelectric proximity switches provide us the answer. w 18-2
wt 18-2 photoelectric proximity switches, background suppression, infrared light -- dc 172 sensick catalogue red gra ora blu 1 4 2 3 brn blk wht blu 1 4 5 2 6 3 2 7 50.5 12 57.4 17 4.1 30.3 32.5 67 75 22 4 30 6 5 3 4 1 4 max. 14 photoelectric proximity switches scanning distance 50 ...700 mm adjustable background suppression insensitive to ambient light sources (hf lamps, flashing alarm lamps) no mutual interference if devices are installed opposite each other operating temperature -- 40 c ...+ 60 c fast response time wt 18-2p 112 wt 18-2p 115 wt 18-2p 410 wt 18-2p 610 wt 18-2n 112 wt 18-2n 115 wt 18-2n 410 wt 18-2n 610 adjustments possible standard direction of the material being scanned led signal strength indicator optical axis, sender optical axis, receiver mounting hole l 4.1 mm scanning distance adjustment alignment sight connection types accessories page cable receptacles 496 mounting brackets 510 7 c v 6 6 5 4 3 2 1 wt 18-2p 112 wt 18-2p 115 wt 18-2p 410 wt 18-2p 610 wt 18-2n 112 wt 18-2n 115 wt 18-2n 410 wt 18-2n 610 4 x 2.5 mm 2 4-pin, m 12 6-pin dimensional drawing
wt 18-2 173 sensick catalogue 0 5 10 15 20 25 30 100 200 300 400 500 600 700 % of scanning distance 6%/90% 18%/90% 90%/90% 1 3 2 (mm) 20 400 20 500 20 600 technical data wt 18-2 p112 p 115 p 410 p610 n112 n 115 n410 n 610 scanning distance 0 (mm)100 200 300 400 500 600 700 3 scanning distance on white, 90 % remission 2 scanning distance on grey, 18 % remission scanning distance on black, 6 % remission 1 type part no. 1 012 887 order information wt 18-2p 112 1 012 890 wt 18-2p 115 1 012 895 wt 18-2p 410 1 012 900 wt 18-2p 610 1 012 879 wt 18-2n 112 1 012 881 wt 18-2n 115 1 012 885 wt 18-2n 610 1 015 149 wt 18-2n 410 1) average service life 100,000 h at t a = + 25 c 2) limit values 3) may not exceed or fall short of v s tolerances 4) without load 5) signal transit time with resistive load 6) with light/dark ratio 1:1 7) do not bend below 0 c 8) reference voltage 50 v dc 9) a = v s connections reverse-polarity protected b = output q and q C short-circuit protected c = interference pulse suppression 1 2 3 scanning distance, max. typical 50...700 mm, adjustable light source 1) , light type led, infrared light light spot diameter 20 mm at 400 mm supply voltage v s 10...30 vdc ripple 3) 5 v ss current consumption 4) < 25 ma < 45 ma switching outputs pnp, q and q C npn, q and q C output current i a max. 100 ma pnp; signal voltage high v s C (< 2.9 v) pnp; signal voltage low approx. 0 v npn; signal voltage high approx. v s npn; signal voltage low < 1.5 v response time 5) < 700 s max. switching frequency 6) 700/s connection types cable 7) , 2 m cable 7) , 5 m plug vde protection class 8) v circuit protection 9) a, b, c enclosure rating ip 67 ip 65 ambient temperature t a operation C40 c...+ 60 c storage C40 c...+75 c weight approx. 100 g housing material abs, acrylonitrile butadiene styrene
174 sensick catalogue wt 18-2 photoelectric proximity switches, background suppression, red light -- dc red gra ora blu 1 4 2 3 brn blk wht blu 2 7 50.5 12 57.4 17 4.1 30.3 32.5 67 75 22 4 30 6 5 3 4 1 4 max. 14 photoelectric proximity switches scanning distance 50 ...600 mm adjustable background suppression insensitive to ambient light sources (hf lamps, flashing alarm lamps) no mutual interference if devices are installed opposite each other operating temperature -- 40 c ...+ 60 c fast response time wt 18-2p 132 wt 18-2p 430 wt 18-2n 132 wt 18-2n 430 adjustments possible standard direction of the material being scanned led signal strength indicator optical axis, sender optical axis, receiver mounting hole l 4.1 mm scanning distance adjustment alignment sight 7 c v 6 6 5 4 3 2 1 wt 18-2p 132 wt 18-2n 132 wt 18-2p 430 wt 18-2n 430 4 x 0.25 mm 2 4-pin, m 12 dimensional drawing connection types accessories page cable receptacles 496 mounting brackets 510
175 sensick catalogue wl 27-2 wt 18-2 0 5 10 15 20 25 30 100 200 300 400 500 600 700 % of scanning disatnce 6%/90% 18%/90% 90%/90% 1 3 2 (mm) technical data wt 18-2 p132 p 430 n132 n 430 scanning distance type part no. 1 012 892 order information wt 18-2p 132 1 012 897 wt 18-2p 430 1 012 882 wt 18-2n 132 1 012 884 wt 18-2n 430 20 300 20 400 20 500 1 2 3 0 (mm)100 200 300 400 500 600 700 scanning distance, max. typical 50 . . . 600 mm, adjustable light source 1) , light type led, red light light spot diameter 15 mm at 300 mm supply voltage v s 10...30 vdc ripple 3) 5 v ss current consumption 4) < 25 ma < 35 ma switching outputs pnp, q and q C npn, q and q C output current i a max. 100 ma pnp; signal voltage high v s C (< 2.9 v) pnp; signal voltage low approx. 0 v npn; signal voltage high approx. v s npn; signal voltage low < 1.5 v response time 5) < 700 s max. switching frequency 6) 700/s connection types cable 7) , 2 m plug vde protection class 8) v circuit protection 9) a, b, c enclosure rating ip 67 ambient temperature t a operation C40 c...+ 60 c storage C40 c...+75 c weight approx. 100 g housing material abs, acrylonitrile butadiene styrene 1) average service life 100,000 h at t a = + 25 c 2) limit values 3) may not exceed or fall short of v s tolerances 4) without load 5) signal transit time with resistive load 6) with light/dark ratio 1:1 7) do not bend below 0 c 8) reference voltage 50 v dc 9) a = v s connections reverse-polarity protected b = output q and q C short-circuit protected c = interference pulse suppression 3 scanning distance on white, 90 % remission 2 scanning distance on grey, 18 % remission scanning distance on black, 6 % remission 1
176 sensick catalogue wt 18-2 photoelectric proximity switches, short range, background suppression, red or infrared light -- dc red gra ora blu 1 4 2 3 brn blk wht blu 2 7 50.5 12 57.4 17 4.1 30.3 32.5 67 75 22 4 30 6 5 3 4 1 4 max. 14 photoelectric proximity switches scanning distance 50 ...250 mm adjustable background suppression insensitive to ambient light sources (hf lamps, flashing alarm lamps) no mutual interference if devices are installed opposite each other operating temperature -- 40 c ...+ 60 c fast response time wt 18-2p 172 wt 18-2p 470 wt 18-2p 182 wt 18-2p 480 adjustments possible standard direction of the material being scanned led signal strength indicator optical axis, sender optical axis, receiver mounting hole l 4.1 mm scanning distance adjustment alignment sight 7 c v 6 6 5 4 3 2 1 wt 18-2p 172 wt 18-2p 182 wt 18-2p 470 wt 18-2p 480 4 x 0.25 mm 2 4-pin, m 12 dimensional drawing connection types accessories page cable receptacles 496 mounting brackets 510
177 sensick catalogue wl 27-2 wt 18-2 10 15 5 0 1 3 2 % of scanning distance 18%/90% 90%/90% 6%/90% (mm) 100 200 300 10 200 10 210 10 250 technical data wt 18-2 p172 p 470 p182 p 480 scanning distance type part no. 1 016 079 order information wt 18-2p 172 1 016 016 wt 18-2p 470 1 016 266 wt 18-2p 182 1 016 267 wt 18-2p 480 1 2 3 0 (mm) 100 200 300 scanning distance 50 . . . 250 mm, adjustable light source 1) , light type led, red light led, infrared light light spot diameter 10 mm at 200 mm supply voltage v s 10...30 vdc 2) ripple 3) 5 v ss current consumption 4) < 25 ma switching outputs pnp, q and q C output current i a max. 100 ma pnp; signal voltage high v s C (< 2.9 v) pnp; signal voltage low approx. 0 v response time 5) < 700 s max. switching frequency 6) 700/s connection types cable 7) , 2 m plug vde protection class 8) v circuit protection 9) a, b, c enclosure rating ip 67 ambient temperature t a operation C40 c...+ 60 c storage C40 c...+75 c weight approx. 100 g housing material abs, acrylonitrile butadiene styrene 1) average service life 100,000 h at t a = + 25 c 2) limit values 3) may not exceed or fall short of v s tolerances 4) without load 5) signal transit time with resistive load 6) with light/dark ratio 1:1 7) do not bend below 0 c 8) reference voltage 50 v dc 9) a = v s connections reverse-polarity protected b = output q and q C short-circuit protected c = interference pulse suppression 3 scanning distance on white, 90 % remission 2 scanning distance on grey, 18 % remission scanning distance on black, 6 % remission 1
178 sensick catalogue wt 18-2 photoelectric proximity switches, long range, background suppression, infrared light -- dc red gra ora blu 1 4 2 3 brn blk wht blu 2 7 50.5 12 57.4 17 4.1 30.3 32.5 67 75 22 4 30 6 5 3 4 1 4 max. 14 photoelectric proximity switches scanning distance 50 ...1000 mm adjustable background suppression insensitive to ambient light sources (hf lamps, flashing arlam lamps) no mutual interference if devices are installed opposite each other operating temperature -- 40 c ...+ 60 c fast response time wt 18-2p 122 wt 18-2p 420 adjustments possible c v wt 18-2p 122 wt 18-2p 420 4 x 0.25 mm 2 4-pin, m 12 dimensional drawing connection types standard direction of the material being scanned led signal strength indicator optical axis, sender optical axis, receiver mounting hole l 4.1 mm scanning distance adjustment alignment sight 7 6 6 5 4 3 2 1 accessories page cable receptacles 496 mounting brackets 510
179 sensick catalogue wl 27-2 wt 18-2 20 15 25 30 10 5 0 1 3 2 % of scanning distance 18%/90% 90%/90% 6%/90% (mm) 400 200 800 600 1000 20 600 20 700 20 1000 technical data wt 18-2 p172 p 420 scanning distance type part no. 1 012 921 order information wt 18-2p 122 1 012 919 wt 18-2p 420 3 2 1 0 (mm) 200 400 600 800 1000 scanning distance 50 . . .1000 mm, adjustable light source 1) , light type led, infrared light light spot diameter 30 mm at a distance of 600 mm supply voltage v s 10...30 vdc 2) ripple 3) 5 v ss current consumption 4) < 25 ma switching outputs pnp, q and q C output current i a max. 100 ma pnp; signal voltage high v s C (< 2.9 v) pnp; signal voltage low approx. 0 v response time 5) < 700 s max. switching frequency 6) 700/s connection types cable 7) , 2 m plug vde protection class 8) v circuit protection 9) a, b, c enclosure rating ip 67 ambient temperature t a operation C40 c...+ 60 c storage C40 c...+75 c weight approx. 100 g housing material abs, acrylonitrile butadiene styrene 1) average service life 100,000 h at t a = + 25 c 2) limit values 3) may not exceed or fall short of v s tolerances 4) without load 5) signal transit time with resistive load 6) with light/dark ratio 1:1 7) do not bend below 0 c 8) reference voltage 50 v dc 9) a = v s connections reverse-polarity protected b = output q and q C short-circuit protected c = interference pulse suppression 3 scanning distance on white, 90 % remission 2 scanning distance on grey, 18 % remission scanning distance on black, 6 % remission 1
180 sensick catalogue wtv 18-2 photoelectric proximity switches, background suppression, infrared light -- dc 1 4 2 3 brn blk wht blu 20 31.5 6 7 4 max. 14 76 22 1.5 15.8 27.1 32.5 4.5 3 38 21 4 5 7 8 1 2 1 2 6 photoelectric proximity switches scanning distance 60 ...120 mm 100... 200 mm adjustable background suppression detection of objects with shiny surfaces insensitive to ambient light sources (hf lamps, flashing alarm lamps) no mutual interference if devices are installed opposite each other operating temperature -- 40 c ...+ 60 c wtv 18-2p 410 wtv 18-2p 420 adjustments possible c v wtv 18-2p 410 wtv 18-2p 420 4-pin, m 12 dimensional drawing connection type centre of optical axis, sender, wtv 18-2p 410 centre of optical axis, sender, wtv 18-2p 420 standard direction of the material being scanned receiving range mounting hole l 4.5 mm scanning distance adjustment alignment sight status indicator 8 7 6 6 5 4 3 2 1 accessories page cable receptacles 496 mounting brackets 510
181 sensick catalogue wl 27-2 wtv 18-2 (mm) 80 100 120 140 160 180 200 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 % of scanning distance 6%/90% 6%/90% 1 2 20 120 40 200 technical data wtv 18-2 p410 p 420 scanning distance type part no. 1 016 198 order information wtv 18-2p 410 1 016 243 wtv 18-2p 420 2 1 2 scanning distance on black, scanning distance on black, 1 6 % remission with p 410 6 % remission with p 420 0 (mm) 20 40 60 80 100 120 140 160 180 200 scanning distance 60 . . .120 mm, adjustable 100 . . . 200 mm, adjustable light source 1) , light type led, infrared light light spot diameter 8 mm at 120 mm 8 mm at 200 mm supply voltage v s 10...30 vdc 2) ripple 3) 5 v ss current consumption 4) < 30 ma switching outputs pnp, q and q C output current i a max. 100 ma pnp; signal voltage high v s C (< 1.5 v) np; signal voltage low approx. 0 v response time 5) 2 ms max. switching frequency 6) 250/s connection type plug vde protection class 7) v circuit protection 8) a, b, c enclosure rating ip 67 ambient temperature t a operation C25 c...+ 60 c storage C25 c...+75 c weight approx. 100 g housing material abs, acrylonitrile butadiene styrene 1) average service life 100,000 h at t a = + 25 c 2) limit values 3) may not exceed or fall short of v s tolerances 4) without load 5) signal transit time with resistive load 6) with light/dark ratio 1:1 7) reference voltage 50 v dc 8) a = v s connections reverse-polarity protected b = output q and q C short-circuit protected c = interference pulse suppression
182 sensick catalogue wl 18-2 photoelectric reflex switches, red light -- dc red gra ora blu trq 1 4 2 3 brn blk wht blu 1 4 5 2 6 3 4.1 33.3 30.3 17 32.5 67 75 22 4 30 55 5 4 3 2 1 4 max. 14 6.3 photoelectric reflex switches scanning range 7 m insensitive to ambient light sources (hf lamps, flashing alarm lamps) no mutual interference if devices are installed opposite each other operating temperature -- 40 c ...+ 60 c fast response time test input for system diagnosis, optional autocollimation system wl 18-2p 132 wl 18-2p 135 wl 18-2p 430 wl 18-2n 132 wl 18-2n 135 wl 18-2n 430 wl 18-2n 630 adjustments possible reflectors 520 c v wl 18-2p 132 wl 18-2p 135 wl 18-2n 132 wl 18-2n 135 wl 18-2p 430 wl 18-2n 430 wl 18-2p 630 wl 18-2n 630 5 x 0.25 mm 2 4-pin, m 12 6-pin dimensional drawing connection types centre of optical axis led signal strength indicator mounting hole l 4.1 mm sensitivity adjustment alignment sight 5 4 4 3 2 1 accessories page cable receptacles 496 mounting brackets 510
183 sensick catalogue wl 27-2 wl 18-2 05 03 04 03 02.5 02 01 7 5.5 6.6 6.6 3.8 3 1.7 100 10 1 2 134567 operating reserve (m) operating distance scanning distance, max. typical 1 2 5 7 technical data wl 18-2 p132 p135 p 430 p 630 n132 n135 n 430 n 630 scanning range and operating reserve 4 3 2 1 7 6 5 0(m)12345 operating range scanning range, max. typical type part no. 1 012 906 order information wl 18-2p 132 1 012 907 wl 18-2p 135 1 012 908 wl 18-2p 430 1 012 912 wl 18-2p 630 1 012 903 wl 18-2n 132 1 012 911 wl 18-2n 135 1 012 904 wl 18-2n 630 1 016 205 wl 18-2n 430 scanning range, max. typ./on reflector 7 m/pl 80 a sensitivity adjustable light source 1) , light type led, red light light spot diameter 40 mm at 2 m supply voltage v s 10...30 vdc 2) ripple 3) 5 v ss current consumption 4) < 25 ma switching outputs pnp, q and q C npn, q and q C output current i a max. 100 ma pnp; signal voltage high v s C (< 2.9 v) pnp; signal voltage low approx. 0 v npn; signal voltage high approx. v s npn; signal voltage low < 1.5 v response time 5) /max. switching freq. 6) < 500 s; 1000/s test input te pnp, sender off test input to 0 npn, sender off test input to v+ connection types cable 7) , 2 m cable 7) , 5 m plug vde protection class 8) v circuit protection 9) a, b, c enclosure rating ip 67 ip 65 ambient temperature t a operation C40 c...+ 60 c storage C40 c...+75 c weight approx. 100 g polarising filter housing material abs, acrylonitrile butadiene styrene 1) average service life 100,000 h at t a = + 25 c 2) limit values 3) may not exceed or fall short of v s tolerances 4) without load 5) signal transit time with resistive load 6) with light/dark ratio 1:1 7) do not bend below 0 c 8) reference voltage 50 v dc 9) a = v s connections reverse-polarity protected b = output q and q C short-circuit protected c = interference pulse suppression pl 80 a c 110 pl 50 pl 40 a pl 30 a pl 20 a reflective tape diamond grade 0 . . . 5.0 m reflector type operating range 0 . . . 3.0 m 0 . . . 4.0 m 0 . . . 3.0 m 0 . . . 2.5 m 0 . . . 2.0 m 0...1.0 m 6 7 5 4 3 2 1
184 sensick catalogue ws/we 18-2 through-beam photoelectric switches, red light -- dc 4.1 33.3 30.3 17 32.5 67 4 max. 14 75 22 4 30 55 5 4 3 2 1 6.3 red gra ora blu 1 4 2 3 brn blk wht blu red blu trq 1 3 2 4 brn blu wht blk 1 2 3 4 5 6 through-beam photoelectric switches scanning range 20 m insensitive to ambient light sources (hf lamps, flashing alarm lamps) operating temperature -- 40 c ...+ 60 c fast response time test input for system diagnosis ws/we 18-2p 132 ws/we 18-2p 630 ws/we 18-2p 430 ws/we 18-2n 132 ws/we 18-2n 630 adjustments possible c v ws/we 18-2p 132 ws/we 18-2n 132 ws/we 18-2p 430 ws/we 18-2p 630 ws/we 18-2n 630 4 x 0.25 mm 2 sender receiver 4-pin, m 12 6-pin dimensional drawing connection types centre of optical axis operating voltage indicator, green (ws) led signal strength indicator, yellow (we) mounting hole l 4.1 mm sensitivity adjustment alignment sight 5 2 4 4 3 1 1 4 5 2 3 6 l+ q q m nc nc accessories page cable receptacles 496 mounting brackets 510
185 sensick catalogue wl 27-2 ws/we 18-2 1000 100 10 0 12 16 8 4 20 (m) operating reserve 015 20 technical data ws/we 18-2 p132 p 430 p 630 n132 n 630 scanning range and operating reserve type part no. order information 1 0(m) 4 8 12 16 20 operating range scanning range, max. typical 1 012 915 1 012 916 1 012 918 1 012 914 1 012 917 ws/we 18-2p 132 ws/we 18-2p 630 ws/we 18-2p 430 ws/we 18-2n 132 ws/we 18-2n 630 scanning range, max. typical 0 . . . 20 m sensitivity adjustable light source 1) , light type led, red light light spot diameter approx. 450 mm at 15 m angle of dispersion approx. 1.5 supply voltage v s 10...30 vdc 2) ripple 3) 5 v ss current consumption 4) < 60 ma sender without heating < 35 ma receiver without heating < 25 ma switching outputs pnp, q and q C npn, q and q C output current i a max. 100 ma pnp; signal voltage high v s C (< 2.9 v) pnp; signal voltage low approx. 0 v npn; signal voltage high approx. v s npn; signal voltage low < 1.5 v response time 5) 500 s max. switching frequency 6) 1000/s test input te sender off test input to 0 v connection type cable 7) , 2 m plug vde protection class 8) v circuit protection 9) a, b, c enclosure rating ip 67 ip 65 ambient temperature t a operation C40 c...+ 60 c storage C40 c...+75 c weight approx. 100 g housing material abs, acrylonitrile butadiene styrene 1) average service life 100,000 h at t a = + 25 c 2) limit values 3) may not exceed or fall short of v s tolerances 4) without load 5) signal transit time with resistive load 6) with light/dark ratio 1:1 7) do not bend below 0 c 8) reference voltage 50 v dc 9) a = v s connections reverse-polarity protected b = output q and q C short-circuit protected c = interference pulse suppression

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