Photoelectric sensors FPDM 16P3921/S14 Retro-reflective sensors dimension drawing 50 4 LED * 26,5 50 4,3 8,5 4,3 12 30 4 15,4 25 M12 x 1 36 3 * emitter axis general data photo type retro-reflective sensor version for transparent objects light source pulsed red LED actual range Sb 6 m nominal range Sn 7,2 m polarization filter yes light indicator LED yellow sensitivity adjustment Teach-in wave length 660 nm electrical data response time / release time < 2,5 ms adaption time < 25 ms voltage supply range +Vs 10 ... 30 VDC current consumption max. (no load) 50 mA current consumption typ. 40 mA voltage drop Vd < 1,8 VDC output function dark operate output circuit PNP output current < 200 mA short circuit protection yes reverse polarity protection yes connection diagram PNP BN (1) WH (2) BK (4) BU (3) +VS ext. teach dark operate Z 0V mechanical data width / diameter 15,4 mm height / length 50 mm depth 50 mm type rectangular housing material die-cast zinc front (optics) PMMA connection types connector M12 4 pin ambient conditions operating temperature -25 ... +65 °C protection class IP 67 FPDM 16P3921/S14 www.baumer.com 24/4/2015