DB_W12_3_en.fm Seite 32 Dienstag, 12. August 2008 1:55 13 Photoelectric reflex switch, WL12G-3, for transparent objects, red light Dimensional drawing 24 4 15.6 Photoelectric reflex switch Robust metal housing with dovetail mounting clamps Reliable detection of glass and 42 1 7.3 6.1 industrial environments Range between -40 C ... +60 C 5 23.1 7 48.5 o 4.2 5 32 transparent films Adjustable sensitivity High device availability in 10 5.1 Scanning range 0 ... 4 m 6 3 2 19.4 Adjustments possible 2 3 6 1 Optical axis 2 LED indicator yellow, status: light reception 3 LED indicator green, supply voltage active 4 Mounting thread M4 - 4 mm deep 5 Mounting thread, O 4.2 mm 6 Scanning range adjuster, potentiometer 7 Connection Connection type WL12G-302431 WL12G-3B2581 M12, 4-pin M12, 5-pin Accessories Connector, M12, 4-pin Connector, M12, 5-pin Mounting systems 32 SICK brn 1 blk 4 wht 2 blu 3 L+ QP L/D M brn 1 blu 3 blk 4 wht 2 gra 5 L+ M QP QN L/D 2008-07-21 DB_W12_3_en.fm Seite 33 Dienstag, 12. August 2008 1:55 13 W12-3 Technical data WL12G-3 Scanning range typ. max. 0 ... 4 m Scanning range, recommended 0 ... 2.5 m Relating to Reflector PL80A Sensitivity adjustment Potentiometer (11 turn) Light source, light type LED, Red light, 640 nm1) Light spot diameter Approx. 25 mm at 1.5 m distance Angle of dispersion Approx. 1.5 B2531 O2431 Polarisation filter Supply voltage Vs DC 10 ... 30 V2) Ripple 5 Vpp3) Power consumption 30 mA4) Switching outputs QPNP and QNPN Signal voltage PNP HIGH/LOW Signal voltage NPN HIGH/LOW > Vs - 3 V/approx. 0 V Approx. > Vs/< 3 V Switching mode Light-/dark-switching, switchable5) PNP Output current Iamax 100 mA Response time 330 s6) Switching frequency 1,500 Hz7) Connection type Connector, M12, 5-pin Connector, M12, 4-pin 8) VDE protection class Circuit protection Enclosure rating Vs connections reverse-polarity protected/All outputs short-circuit protected/ Interference suppression IP 66, IP 67, IP 69 K Ambient temperature operation -40 C ... +60 C Ambient temperature storage -40 C ... +75 C Weight Approx. 120 g Housing material Zinc die-cast9) 1) 3) 2) Average service life 100,000 h at Ta = +25 C Limit values, operation in short-circuit protected network max. 8 A 5) May not exceed or fall short of Vs tolerances Without load 4) 6) 7) Control cable 0 V or open-circuited = light-switching. Control cable Vs = dark-switching Signal transit time with resistive load 8) 9) With light/dark ratio 1:1 in switching mode Reference voltage 50 V DC Teflon-coated housing available on request Scanning range and operating reserve 1 2.5 4 2 2.5 4 3 2.3 4 3.5 2.5 6 1.6 0.8 8 0.2 0.8 (m) 0.5 2 3 3 Operating range 3 2 1 1 Operating range 1.5 2 2.5 3 Scanning range typ. max. Reflector type PL80A C110A P250F PL50A PL40A Operating range 0 ... 2.5 m PL30A PL20A Reflective tape Diamond Grade 0 ... 1.6 m 0 ... 0.8 m 0 ... 0.2 m 2008-07-21 3.5 0 ... 2.5 m 0 ... 2.3 m 0 ... 2.0 m 0 ... 2.5 m 4 Operating reserve 7 1 2 3 4 5 6 7 8 3.5 2 5 10 4 7 5 6 8 1 (m) 0.5 1 1.5 2 2.5 3 3.5 4 Order information Type Order no. WL12G-3B2531 WL12G-302431 1041456 1041457 S ICK 33