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 mechanical encoders series 25 multi-deck features ? multiple code and indexing choices ? reliability tested to listed specifications ? less than 1.0" square ? termination choices ? panel and shaft seal option ? manufactured to iso 9001 and military standards ? custom configurations available dimensions in inches (and millimeters) .865 .015 (21,97 0,38) dim. a .025 (dim a 0,64) .200 .015 (5,08 0,38) c l c l .288 .015 (7,31 0,38) .250 .015 (6,35 0,38) .365 .020 (9,27 0,51) .250 .020 (6,35 0,51) .375 (9,53) 3/8-32 unef-2a thread .320 .010 (8,13 0,25) .050 .005 (1,27 0,13) .100 .010 (2,54 0,25) typ. .060 .015 (1,53 0,38) number of decks .450 (11,43) .650 (16,51) .850 (21,59) 1.050 (26,67) dimension a 1 2 3 4 part number, date code, and pinout id label .219 .005 (5,56 0,13) ? .250 + .001 - .002 (6,35 + 0,03 - 0,05) .190 .015 (4,83 0,38) .020 .005 (0,51 0,13) .865 .015 (21,97 0,38) encoder 2
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 mechanical encoders series 25 : multi-deck shaft size: b = 1 / 4 " diameter shaft sealed or non-sealed: s = shaft and panel seal; no letter = no seal terminal structure: p = pc, perpendicular to shaft; r = pc, rear facing (one deck only); f = pc, front facing (one deck only). angle of throw (determines the maximum number of positions): 10 = 10, 36 positions; 11 = 11.25, 32 positions; 12 = 12, 30 positions; 15 = 15, 24 positions; 18 = 18, 20 positions; 22 = 22.5, 16 positions; 30 = 30, 12 positions; 45 = 45, 8 positions; 60 = 60, 6 positions; 90 = 90, 4 positions. 25bsp22CqC1C16 c stop arrangement: for switches with maximum positions, add c for continuous rotation; add f for stop between first and last. no notation required for less than maximum positions. number of positions: maximum is dependent on the angle of throw. minimum is two. number of decks: one through four possible. code output: b = binary available in 22.5 q = quadrature g = gray available in 22.5 specials include 1 / 8 " diameter shaft, custom angles of throw for binary, binary complement and gray code outputs. contact grayhill sales for availability. specifications electrical ratings switching loads: 150 ma at 120 vac, resistive; 150 ma at 28 vdc, resistive current carrying capacity: 250 ma at 28 vdc, resistive contact resistance: 75 m : maximum after life insulation resistance: 1000 m : minimum between terminals and shaft voltage breakdown: 1000 vac minimum between terminals and shaft life expectancy: 50,000 cycles at rated loads contacts: shorting materials and finishes bushing: die cast zinc alloy, tin-zinc plated mounting hardware: plated brass decks, deck separators, end plate: thermoplastic contacts and terminals: gold, silver, nickel- plated beryllium copper shaft, stop blades: stainless steel detent balls: steel, nickel-plated rivets: brass, zinc-plated mechanical ratings stop strength: 10 in-lbs minimum rotational torque: 4-20 in-oz, dependent on the number of decks operating temperature range: -65c to +85c non-turn device: flatted mounting bushing, .375" dia. x .320" package size: .865" square termination: pc terminals, .100" on center. decks are .200" apart. ordering information available from your local grayhill distributor. for prices and discounts, contact a local sales office, an authorized local distributor or grayhill. control knobs available, see page i-57. encoder 3
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