grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com optical and mechanical encoders optical encoders series 61c 16 or 32 position with pushbutton features ? competitively priced to similar electromechanical switches optically coupled for more than a million trouble-free rotations has data entry pushbutton switch activated by switch shaft compatible with cmos, ttl and hcmos logic operationally used to move display icon and input data used to set radio frequency, drill depth, rpm, etc. dimensions in inches (and millimeters) unless otherwise indicated, tolerances are .010 (0,25). .219 ?.003 (5,56 ?0,08) to shaft flat .521 ?.003 dia. ( ? 13,23 ?0,08) .152 ?.002 (3,86 ?0,05) to bottom of keyway angle a ?3?* bushing keyway is .066 ?.002 (1,68 ?0,05) wide .450 (11,43) .525 ?.010 (13,34 ?0,25) of .750 dia. ( 19,05) and keyway c l pin 6 5 4 3 2 1 ll 21 .420 (10,67) .312 ?.020 (7,92 ?0,51) .375 (9,53) 3/8-32 unef-2a thread .250 dia. ( 6,35) .250 (6,35) .025 ?.002 (0,64 ?0,05) square pin (6 places) .040 (1,02) to .070 (1,78) travel .728 (18,49) .100 (2,54) .140 (3,56) max. xx x .750 ?.003 dia. ( 19,05 ?0,08) .100 ?.005 typ. (2,54 ?0,13) .050 ?.005 typ. (1,27 ?0,13) .629 ?.005 (15,98 ?0,13) *angle a centerline of switch to perpendicular of shaft flat 32 pos. 28.125 16 pos. 56.25 grayhill part number and date code marked on label. customer part number marked on request. i-21
optical and mechanical encoders grayhill, inc. ? 561 hillgrove avenue ? lagrange, illinois 60525-5997 ? usa ? phone: 708-354-1040 ? fax: 708-354-2820 ? www.gr ayhill.com optical encoders circuitry, truth table, and waveform: standard quadrature 2-bit code clockwise rotation position output a output b 1 2 3 4 indicates logic high; blank indicates logic low. code repeats every 4 positions. output a output b high low high low position number 1 2 3 4 5 6 specifications pushbutton switch ratings rating: 5 vdc, 10 ma, resistive contact resistance: less than 10 ohms (ttl or cmos compatible) voltage breakdown: 250 vac between mutually insulated parts. contact bounce: less than 4 milliseconds at make and less than 10 milliseconds at break. actuation life: 3,000,000 operations. actuation force: maximum actuation force of 330 grams and a minimum actuation force of 250 grams. encoder ratings coding: 2-bit quadrature coded output. operating voltage: 5.0 ?25 vdc supply current: 30 ma maximum at 5 vdc logic high: 3.8v for cmos and 2.7v for ttl minimum. logic low: 0.8v maximum logic rise and fall times: rise time less than 30 ms at 16.6 rpm. fall time less than 30 ms at 16.6 rpm. operating torque: 1.5 in-oz ?50% initial (1.0 in-oz 50% after life for 32 position only) rotational life: more than 1,000,000 cycles of operation (1 cycle = 360?rotation and return) shaft push out force: 20 lbs minimum mounting torque: 10 in-lbs maximum environmental ratings operating temperature range: ?0? to 85? storage temperature range: ?5? to 100? relative humidity: 90-95% at 40? for 96 hours. vibration resistance: harmonic motion with amplitude of 15g, within a varied 10 to 2000 hz frequency for 12 hours per mil-std-202, method 204 shock resistance: test 1: tested at 100g for 6 ms, half sine, 12.3 ft/s test 2: 100g for 6 ms, sawtooth, 9.7 ft/s materials and finishes bushing: reinforced thermoplastic shaft: reinforced thermoplastic detent balls: steel, nickel-plated detent and pushbutton springs: tinned music wire printed circuit boards: nema grade fr-4 pushbutton contact: stainless steel, gold- plated board terminals: phosphor bronze, tin-plated mounting hardware: one brass, cadmium- plated nut and lockwasher supplied with each switch. nut is 0.094 inches thick by 0.562 inches across flats. rotor: reinforced thermoplastic aperture/dome retainer: lexan 141, polycarbonate accessories see page i-41. 1 2 3 4 5 6 power +5v output a output b n.o. pushbutton switch ground pin # r* r* 150 ? 5% * external pull-up resistors required for operation. 8.2 k ? is suggested for ttl ; 3.3 k ? is suggested for cmos. available from your local grayhill distributor. for prices and discounts, contact a local sales office, an authorized local distributor or grayhill. custom knobs available, see page i-57. ordering information series style: c = standard angle of throw: 00 = no detent 11 = 11.25 or 32 positions 22 = 22.25 or 16 positions coding: 01 = quadrature 61c22-01-04-02 pushbutton option: 01 = without pushbutton, 02 = with pushbutton number of changes per revolution: 04 for no detent and 22.25 angle of throw 08 for no detent and 11.25 angle of throw i-22
|
