series 26 binary and gray code dimensions in inches (and millimeters) maximum switch angle positions a 8 67.5 16 33.75 unless specifed otherwise, all tolerances are .015 ( 0,38) specifications electrical ratings rated: 25,000 cycles with logic compatible loads. make and break 200 ma. contact resistance: 500 milliohms maximum (less than 100 milliohms initially) insulation resistance: 1000 megohms minimum (10,000 megohms initially) dielectric strength: 250 vac minimum materials and finishes panel seal: silicone rubber shaft seal: fluorosilicone mounting nut (mounting hardwareCone per switch): brass, tin/zinc-plated internal tooth lockwasher (mounting hardware): steel,tin/zinc-plated detent balls: carbon steel, nickel-plated detent spring: pretinned music wire detent rotor: thermoplastic shaft, stop arm and stop pins: stainless steel bushing: zamak ii tin/zinc alloy, zinc-plated switch base: diallyl phthalate printed circuit board: nema grade fr-4. terminals: brass, gold-plated over nickel plate contacts: copper alloy, gold-plated over nickel plate additional characteristics rotational torque: 4 to 8 oz-in initial vibration resistance: 10 to 55 hz at 0.060" double amplitude; no damage and no contact openings per mil-std-202, method 201a shock resistance: passes medium requirement mil-dtl-3786 (mil-std-202, method 213) stop strength: 5 in-lbs minimum relative humidity: 90-95% at 40 o c for grayhill part number and date code marked on label. customer part number marked on request. c l c l angle a .094 (2,39) .203 .003 (5,16 0,10) a cross flats .500 .015 (12,7 0,38) dia. pos. 0 of bushing flats 1/4-28 unf-2a thread .025 .005 (0,64 0,13) 3 places .180 (4,57) .332 (8,43) .957 (24,31) ref. .250 (6,35) .375 (9,53) .250 (6,35) .125 .003 dia. (? 3,18 0,10) c 12 84 c l c l common terminal .300 (7,62) .150 (3,81) 2 places .100 (2,54) 2 places .200 (5,08) 240 hours (mil-std-202 method 103, test condition a) shaft and panel seal all switches are provided with a shaft and panel seal. options adjustable stop switches the switch may have continuous rotation, or be adjusted to limit the rotation. the panel seal ring can be removed to expose the stop pin holes on the front of the switch. two stop pins and panel seal o-ring are supplied with the switch. one or both may be used to limit the rotation as desired. custom encoders with options such as custom code output, 1/4 shaft diameter, factory set stops and longer shaft terminal lengths are available by contacting the grayhill sales office at 708.482.2123. ordering information code position code and truth table bcd output* gray output* 1 2 4 8 1 2 4 8 1 0 2 1 3 2 4 3 5 4 6 5 7 6 8 7 9 8 10 9 11 10 12 11 13 12 14 13 15 14 16 15 *dot indicates terminal tied to common. switch position available from your local grayhill distributor. for prices and discounts, contact a local sales offce, or an authorized local distributor or grayhill through grayhill.com/where-to-buy . available codes ? hexadecimal ? octal ? bcd (adjusted) ? quadrative ? custom (4-bit, 16 position maximum) ? rohs compliant 26gsd22-01-1-16s-c series code stops: d = adujustable, blank = continuous or fixed decks: 1 angle of throw: 22 = 22.5o, 45 = 45o po les: 1 output code: g = gray , a = bc d sealed po sitions: 08s, 16s, or ajs for adjustable c = continuous, f = fixed, blank = adjustable 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 mechanical encoders
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