27/8/2010 urdk 20 (sde = 1000 mm) 1 ultrasonic retro-refective sensors ultrasonic sensors www.baumer.com general data scanning range sd 0 ... 1000 mm refector position sde 200 ... 1000 mm adjusting range refector (operating range) 2,5 % sde adjusting range refector (limit range) 5 % sde repeat accuracy < 1,5 mm alignment aid target indication fashing temperature drift < 2 % sde response time ton < 50 ms release time toff < 50 ms sonic frequency 240 khz output indicator led green adjustment teach-in electrical data voltage supply range +vs 12 ... 30 vdc current consumption max. 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 width / diameter 20 mm height / length 42 mm depth 15 mm connection types connector m8 type rectangular housing material polyester ambient conditions operating temperature -10 ... +60 c protection class ip 67 sample picture sample drawing 42 6, 5 9, 5 3, 2 14 m8 x 1 5, 7 11, 8 15 le d teach -i n 20 29, 5
27/8/2010 urdk 20 (sde = 1000 mm) 2 ultrasonic retro-refective sensors ultrasonic sensors www.baumer.com order reference output circuit urdk 20n6903/s35a npn make function (no) urdk 20n7903/s35a npn break function (nc) urdk 20p6903/s35a pnp make function (no) urdk 20p7903/s35a pnp break function (nc)
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