optical and mechanical encoders grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.grayhill.com optical encoders series 61a custom, absolute fea tures ? absolute position sensing ? 3, 4, or 5-bit custom output coding ? 8 to 32 positions ? fixed stops only ? angles of throw to 45 (design specifcations will dictate the angle of throw) dimensions in inches (and millimeters) unless ot her wise specifie d, dimension to lerances are as follo ws: linear .010 (0,25), diameters .010 (0,25), angular 5 .875.005 squ are .562 3 pla ces .320.005 (bushing fla ts) .218.005 .688 3 pla ces .331 .250 .780.025 .248/.250 .093 6.000.300 3/8-32 unef 2a thread mounting surf a ce connect or is molex p/n 14-56-2074
grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.grayhill.com optical and mechanical encoders optical encoders circ uitry specifica tions ratings o perating voltage: 5 .25v dc supply current: 85 ma maximum at 5v dc life: 1 million cycles of operation; 1 cycle is rotation through all positions and a full return rotational t orque: 12 4 in-oz (initial) output high: 3.8v minimum for cmos & hcmos; 2.7v minimum for ttl o utput low: 0.8v maximum shaft push o ut force: 25 lbs. mounting t orque: 10 in-lb maximum load current: 5 ma maximum per channel logic r ise and fall times: 30 msec typical trut h t able +5 volts bit 0 bit 1 bit 2 bit 3 bit 4 ground 1 2 3 4 5 6 7 r* r* r* r* r* * external pull-up resistors required for operation (4.7k) 4 bit, 16 position position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 b1 b2 b3 b4 indicates logic high blank indicates logic low 3 bit, 8 position position 1 2 3 4 5 6 7 8 b2 b3 b4 indicates logic high blank indicates logic low position 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 b0 b1 b2 b3 b4 5 bit, 32 and 24 position indicates logic high blank indicates logic low series style: a = absolute position sensing number of positions: 32 = 32 positions with 10 of throw 24 = 24 positions with 12 of throw 16 = 16 positions with 18 of throw 8 = 8 positions with 36 of throw 61a32-060 t ermination: 060 = 6.0 inches cable terminated with molex connector p/n 14-56-2074. ordering informa tion available from your local g rayhill component distributor. for prices and discounts, contact a local sales offce, an authorized local distributor, or grayhill direct. e nvironmental operating t emp. range: -40c to +85c storage t emp. r ange: -55c to +100c vibration: mil-std 202, method 204, cond. b mechanical shock: 100 gs, 6 ms, half sine 12.3 ft/s and 100 gs, 6 ms, sawtooth, 9.7 ft/s humidity: 90-95% relative humidity at 40c for 96 hrs. materials and finishes detent housing: stainless steel bushing: brass, tin/zinc plated shaft: stainless steel detent balls: steel, nickel-plated code housings: nylon 6/10 backplate: nylon 6/10 aperture: chemically etched stainless steel with black oxide fnish rotor: electroformed nickel and chemically etched stainless steel with black oxide fnish detent springs: tinned music wire pc boards: nema grade fr-4 t hrough bolts: stainless steel, unplated t hrough bolt nuts: stainless steel m ounting hardware: one brass, tin/zinc- plated nut and one stainless steel, zinc-plated lockwasher supplied with each switch. nut is 0.094 inch thick by 0.562 inch across fats.
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