Photoelectric reflex switch, WL 12-2, red light, with polarisation filter - DC Dimensional drawing Scanning range 0 ... 7 m 24 10 3 Photoelectric reflex switch Red light consequently, 41.5 fast alignment is possible 1 Insensitive to external light 1 sources, i.e., increased 22.6 2 7.3 operating reliability 5.6 M12 plug rotatable by 90, or 2 m/3 m cable 4 Adjustable sensitivity optimum adaptation to application 5 11.2 Adjustments possible 1 LED signal strength indicator 2 Centre of optical axis 3 M4 threaded mounting hole - 4 mm deep 4 Mounting holes 4.2 mm 1 5 Sensitivity adjustment 5 Sensitivity Connection type WL12-2N120 WL12-2N420 WL12-2N130 WL12-2N430 WL12-2N730 WL12-2P420 WL12-2P120 WL12-2P430 WL12-2P130 Accessories Connector, M12, 4-pin Mounting systems 4 x 0.25 mm M12, 4-pin Reflectors brn 1 brn L+ L+ blk 4 blk Q Q wht 2 wht Q Q blu 3 blu M M 14. 11. 2005 SICK 12 32 15 2 16.5 5.1 49W 12-2 WL12-2 N120 N130 N420 N430 N730 P120 P130 P420 P430 P730 Scanning range typ. max. 0 ... 2 m 0 ... 7 m Scanning range, recommended 0 ... 1 m 0 ... 5 m 1) Relating to Reflector PL 80 A 2) Reflector PL 80 A Sensitivity adjustment Potentiometer 3) Light source, light type LED, Red light Light spot diameter 2 mm at 90 mm distance 80 mm at 3 m distance Polarisation filter 4) Supply voltage V DC 10 ... 30 V s 5) Ripple d 5 V ss 6) Power consumption d 40 mA 6) d 30 mA Switching outputs NPN antivalent PNP antivalent Output current I max d 100 mA a 7) Response time d 330 s 8) Switching frequency 1,500 Hz 9) Connection type Cable, 2 m Connector, M12, 4-pin 9) Cable, 3 m 10) VDE protection class Circuit protection V connections reverse-polarity protected s / Output Q and Q not short-circuit protected / Interference suppression Enclosure rating IP 69K Ambient temperature operation -40 C ... +60 C Ambient temperature storage -40 C ... +75 C Weight Ca. 200 g Ca. 120 g Ca. 230 g 11) Housing material Zinc die-cast 1) 4) 7) 11) Focus = 90 mm Limit values Signal transit time with resistive load Teflon-coated housing available 2) 5) 8) Focus = infinite May not exceed or fall short of With light/dark ratio 1:1 on request 3) 9) Average service life 100,000 h V tolerances Do not bend below 0 C s 10) 6) at T = +25C Reference voltage 50 V DC Without load a Scanning range and operating reserve 1 0 5 7 2 0 3 4.5 1000 0 3.5 5 3 4 0 3.5 5 1 5 0 3 4 100 6 0 2 3 7 0 1 1.5 0 (m) 1 23456 7 Ordering information Operating 10 7 2 range Operating range Scanning range, Type Order No. max. typical WL12-2N120 1 016 084 6 Scanning WL12-2N130 1 016 085 range WL12-2N420 1 016 091 Reflector type Operating range typ. max. 1 WL12-2N430 1 016 092 1 PL 80 A 0 ... 5.0 m (m) 1 23 45 6 7 WL12-2N730 1 016 088 2 C 110 0 ... 3.0 m WL12-2P120 1 016 095 3 PL 50 A 0 ... 3.5 m WL12-2P130 1 016 096 4 PL 40 A 0 ... 3.5 m WL12-2P420 1 016 101 5 PL 30 A 0 ... 3.0 m WL12-2P430 1 016 102 6 PL 20 A 0 ... 2.0 m WL12-2P730 1 016 098 7 Reflective tape 0 ... 1.0 m 13 SICK 14. 11. 2005 Operating reserve