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 61b 16, 24, or 32 position, optional pushbutton features ? positions screen cursor more friendly than keyboards permits visual concentration economic touchscreen alternative pushbutton for entry function detent for tactile feedback and minimal backlash optical coupled for long life rugged construction applications display input the series 61 rotary encoder switch can move cursor or icon on a display. use the rotary and pushbutton switch to simply select a menu item and enter it, or write more elaborate display software. use the series 61 to input limit settings for a monitored function. change an item on a checklist to a new value while viewing the remainder of the list. incremental input use the series 61 with an interface chip to provide step by step input for setting radio frequency, drill depth, rpm, etc. these changes are usually a few steps, and you need not turn the switch several revolutions for the desired value. some examples are as follows: robot position volume setting radio tuning limit setting motor control dimensions in inches (and millimeters) unless otherwise indicated, tolerances are .010 (0,25). c l c l .219 .004 (5,6 0,1) a 3? c l of switch c l of shaft flat .859 .020 (22,1 0,5) .375 .020 (9,5 0,5) .250 .020 (6,4 0,5) .015/ .040 (0,38/ 1,02) travel 3/8-32 unef-2a thread .025 .002 (0,6 0,1) square pin (6 places) .100 .005 (2,5 0,1) typical .769 .025 (19,5 0,6) .200 .010 (5,1 0,5) .050 .005 (1,3 0,1) .312 .020 (7,9 0,5) .562 .015 (14,3 0,4) .293 .010 (7,4 0,25) of switch of pins pin 1 pin 2 pin 3 pin 4 pin 5 pin 6 .066 .002 (1,68 0,05) .152 .002 (3,86 0,05) .250 .002 (6,35 0,05) dia. .767 .020 (19,48 0,51) square *angle a centerline of switch to perpendicular of shaft flat 32 pos. 5.63 24 pos. 7.50 16 pos. 11.25 grayhill part number and date code marked on label. customer part number marked on request. c l of switch .767 .020 (19,48 0,51) square .562 .015 (14,27 0,38) .250 .002 (6,35 0,05) dia. .152 .002 (3,86 0,05) .066 .002 (1,68 0,05) .219 .004 (5,56 0,10) c l of shaft flat a 3 ? pin #1 pin #2 pin #3 pin #4 pin #5 pin #6 3/8-32 unef-2a thread .250 .020 (6,35 0,51) .015/.040 (0,38/1,02) travel .375 .020 (9,53 0,51) .312 .020 (7,92 0,51) .950 (24,13) max. dim. xxx* .30 (7,62) *see ordering information for cable length. diagram illustrates a 16-position switch with integral pushbutton switch. i-19
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 available from your local grayhill distributor. for prices and discounts, contact a local sales office, an authorized local distributor or grayhill. custom shaft and bushing lengths, shaft/panel seal, and additional supply voltages are available through grayhill only. control knobs available, see page i-57. materials and finishes detent cover: thermosetting plastic bushing: zinc casting, cadmium-plated per qqp 416, class 2, type ii shaft: reinforced thermoplastic note: earlier versions may have electropolished stainless steel shafts (still available in customs only). detent balls: passivated, stainless steel detent spring: tinned music wire printed circuit boards: nema grade fr-4 board terminals: copper alloy, cda no. 725 through bolts: stainless steel, unplated through bolt nuts: stainless steel switch assembly cover and code rotor: pbt polyester thermoplastic mounting hardware: one brass, cadmium- plated nut and lockwasher supplied with each switch. nut is 0.094" thick by 0.562" across flats. strain relief: pbt polyester thermoplastic (cable version only) cable: 26 awg, stranded/tinned wire, pvc coated on .100 (2,54) centers (cable version only) operating torque: 2.0 .75 in-oz rotational life: more than 1,000,000 cycles of operation (1 cycle = 360 rotation and return) shaft push out force: 50 lbs minimum mounting torque: 15 in-lbs maximum environmental ratings operating temperature range: -40 c to 85 c storage temperature range: -55 c to 100 c 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: 100g for 6 ms half sine wave with velocity change of 12.3 ft/s. test 2: 100g for 6 ms, sawtooth wave with velocity change of 9.7 ft/s. relative humidity: 90 95% at 40 c for 96 hours accessories see page i-41. specifications pushbutton switch ratings rating: 5 vdc, 10 ma, resistive contact resistance: less than 10 (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 615 grams and a minimum actuation force of 415 grams. encoder ratings coding: 2-bit quadrature coded output operating voltage: 5 .25 vdc supply current: 30 ma maximum at 5 vdc logic high: 3.8v minimum logic low: 0.8v maximum logic rise and fall times: rise time less than 30 ms at 16.6 rpm. fall time less tham 30 ms at 16.6 rpm. 1 2 3 4 5 6 power +5v output a output b n.o. pushbutton switch ground pin# r* r* 150 ? *external pull up resistors required for operation. 8.2 k ? is suggested for ttl; 3.3 k ? is suggested for cmos clockwise rotation position output a output b 1 2 3 4 indicates logic high; blank indicates logic low. code repeats every 4 positions. circuitry, truth table, and waveform: standard quadrature 2-bit code output a output b high low high low position number 1 2 3 4 5 6 ordering information series style: b = standard, unsealed angle of throw: 11 = 11.25 or 32 positions 15 = 15 or 24 positions 22 = 22.25 or 16 positions coding: 01 = quadrature pushbutton option: 01 = without pushbutton, 02 = with pushbutton 61b11?01?02?020 termination: blank (no dash or numbers) = pins as described in drawing cable termination 020 = 2.0 inches minimum to 250 = 25 inches maximum. provided in increments of 1/2 inch. example 035 = 3.5", 060 = 6 inches. cable is terminated with standard amp connector 640442-6. use any 6 position, .100 center header to mate with the cable assembly. contact grayhill i-20
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