Mechanical Encoders SERIES 26 AVAILABLE CODES Binary and Gray Code • Hexadecimal • Octal • BCD (Adjusted) • Quadrative • Custom (4-Bit, 16 position maximum) • RoHS Compliant DIMENSIONS in inches (and millimeters) C L OF BUSHING FLATS 1/4-28 UNF-2A THREAD COMMON TERMINAL CPOS. 0 L .125 ± .003 DIA. .300 (Ø 3,18 ± 0,10) (7,62).150 (3,81) 2 PLACES CL ANGLE A .094 (2,39) .025 ± .005 1 2 (0,64 ± 0,13) CL .250 (6,35) 3 PLACES 8 C 4 .203 ± .003 (5,16 ± 0,10) .180 (4,57) ACROSS FLATS .375 (9,53) .100 (2,54) .500 ± .015 .332 (8,43) 2 PLACES (12,7 ± 0,38) DIA. .250 (6,35) .200 (5,08) Maximum Switch Angle .957 Positions A (24,31) Grayhill part number and date Optica 186 3637..755°° Unless specified otherwisReE, aFl.l tolerances are ± .015 ( 0,38) cpoadrte n mumarbkeerd m oanr klaebde ol. nC ruesqtuoemset.r Encodersl and Mec SElPeEctCriIcFaICl RAaTtIiOngNsS R24e0la htiovuer s H(MumILi-dSiTtyD:- 29002- 9M5e%th oadt 14003oC, T efosrt CODE AND TRUTH TABLE h n n a Rated: 25,000 cycles with logic compatible Condition A) h o o BCD Output* Gray Output* nical lCooandtsa. cMt Rakees iasntadn bcree:a 5k0 02 0m0il lmioAhm. s maximum T10h7e,r mTeaslt C Cyocnlidnigti:o pne Ar ,M wILit-hS TaDn -e2x0c2e, pMtieotnh oodf Switc Positi Code Positi 1 2 4 8 1 2 4 8 (less than 100 milliohms initially) -65°C as the low temperature 1 0 Insulation Resistance: 1000 megohms Shaft and Panel Seal 2 1 minimum (10,000 megohms initially) All switches are provided with a shaft and Dielectric Strength: 250 Vac minimum panel seal. 3 2 4 3 Materials and Finishes OPTIONS 5 4 Panel Seal: Silicone Rubber Adjustable Stop Switches 6 5 Shaft Seal: Fluorosilicone Mounting Nut (mounting hardware–one The switch may have continuous rotation, or 7 6 be adjusted to limit the rotation. The panel per switch): Brass, tin/zinc-plated 8 7 seal ring can be removed to expose the stop Internal Tooth Lockwasher (mounting pin holes on the front of the switch. Two stop 9 8 hardware): Steel,tin/zinc-plated pins and panel seal o-ring are supplied with 10 9 Detent Balls: Carbon steel, nickel-plated Detent Spring: Pretinned music wire the switch. One or both may be used to limit 11 10 the rotation as desired. Detent Rotor: Thermoplastic 12 11 Shaft, Stop Arm and Stop Pins: Stainless steel Custom encoders with options such as custom 13 12 Bushing: Zamak II tin/zinc alloy, zinc-plated code output, 1/4” shaft diameter, factory set 14 13 Switch Base: Diallyl phthalate Printed Circuit Board: NEMA Grade FR-4. stops and longer shaft terminal lengths are 15 14 Terminals: Brass, gold-plated over nickel plate 16 15 Contacts: Copper alloy, gold-plated over *Dot indicates terminal tied to common. nickel plate Additional Characteristics 26GSD22-01-1-16S-C Rotational Torque: 4 to 8 oz-in initial Series Code Vibration Resistance: 10 to 55 Hz at Output Code: 0.060" double amplitude; no damage and G = Gray, A = BCD C = Continuous, F = Fixed, no contact openings per MIL-STD-202, Sealed Blank = Adjustable Method 201A Positions: Shock Resistance: Passes medium Stops: 08S, 16S, or AJS for adjustable requirement MIL-DTL-3786 (MIL-STD-202, D = Adujustable, Poles: 1 Blank = Continuous or Fixed Method 213) Decks: 1 Stop Strength: 5 in-lbs minimum Angle of Throw: 22 = 22.5º, 45 = 45º Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com