Ultrasonic sensors UNAM 18 (with Teach-in) Ultrasonic proximity sensors sample drawing M18 x 1 80 90 70 SW 24 Teach-in LED M12 x 1 general data sample picture scanning range sd 100 ... 1000 mm scanning range far limit Sde 100 ... 1000 mm hysteresis typ. 4 % Sde repeat accuracy < 0,5 mm temperature drift < 0,18 % Sde/K response time ton < 50 ms release time toff < 50 ms sonic frequency 240 kHz adjustment Teach-in alignment aid target indication flashing output indicator LED green electrical data voltage supply range +Vs 12 ... 30 VDC current consumption max. (no load) 35 mA output current < 200 mA voltage drop Vd < 2 VDC residual ripple < 10 % Vs short circuit protection yes reverse polarity protection yes mechanical data type cylindrical threaded housing material brass nickel plated width / diameter 18 mm height / length 90 mm connection types connector M12 ambient conditions operating temperature -10 ... +60 °C protection class IP 67 1 www.baumer.com 2/6/2015 Ultrasonic sensors UNAM 18 (with Teach-in) Ultrasonic proximity sensors order reference output circuit UNAM 18N6903/S14 NPN make function (NO) UNAM 18P6903/S14 PNP make function (NO) UNAM 18P7903/S14 PNP break function (NC) 2 www.baumer.com 2/6/2015