Optical and Mechanical Encoders Mechanical Encoders SERIES 25L Hex, Gray and Quadrature Code FEATURES 100,000 Life Cycles Price Competitive to Similar Less than 1.0 Square Designs Manufactured to ISO 9001 Quality Construction and Contact Standards Materials Multiple Code and Indexing Choices DIMENSIONS In inches (and millimeters) .925 .010 .470 .010 (23,50 0,25) (11,94 0,25) .343 .025 .250 .015 NON-TURN C (8,71 0,64) L .865 .015 (6,35 0,38) TAB .320 .010 (21,97 0,38) .045 .005 (8,13 0,25) 3/8-32 UNEF-2A (1,14 0,13) .400 .015 THREAD (10,16 0,38) .025 .002 .250 + .001 .002 (0,64 0,05) (6,35 + 0,03 0,05) SQUARE PIN DIA. (3 PLACES) .865 1.020 .015 C C L L .010 (21,97 BUSHING (25,91 0,38) .500 .010 FLATS 0,25) .250 .015 .219 .004 (12,7 0,25) (6,35 0,38) (5,56 0,10) C L .500 .015 90 (12,7 0,38) .100 .005 NON-TURN TAB .590 .010 .250 .010 (2,54 0,13) .120 .005 (3,05 0,13) WIDE (14,97 0,25) (6,35 0,25) TYP. BY .068 .005 (1,73 0,13) THICK C SHAFT MOUNTING L LOCK TAB (2) FOR FLAT BRACKET MOUNTING BRACKET 25J5155 TRUTH TABLES Clockwise Rotation Clockwise Rotation Clockwise Rotation Quadrature 2-Bit Code 4-Bit Gray Code-16 Position 4-Bit Binary Code Hexadecimal-16 Position 1/4 Cycle per Detent Switch Code Output Switch Code Output Switch Output Position Position 1 2 4 8 Position Position 1 2 4 8 Position 1 0 1 0 1 2 1 2 1 2 3 2 3 2 3 4 3 4 3 4 5 4 5 4 5 6 5 6 5 6 7 6 7 6 7 8 7 8 7 8 9 8 9 8 9 10 9 10 9 10 11 10 11 10 11 12 11 12 11 12 13 12 13 12 13 14 13 14 13 14 15 14 15 14 15 16 15 16 15 16 17 Indicates closed circuit blank indicates Indicates closed circuit blank indicates 18 19 open circuit. open circuit. 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Indicates closed circuit blank indicates open circuit. Code repeats every 4 positions. Encoder Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com 4Optical and Mechanical Encoders Mechanical Encoders SPECIFICATIONS Mechanical Ratings Electrical Ratings Materials and Finishes Rotational Torque: 2 to 6 in-oz Switching Loads: 1.5 mA at 115 Vac, resistive Bushing/Housing and Shaft/Rotor: Reinforced Operating Temperature Range: -40 C to +85 C 150 mA at 14 Vdc, resistive thermoplastic Storage Temperature Range: -65 C to +85 C Current Carrying Capacity: 250 mA Detent Ball: Stainless steel, nickel-plated Continuous Rotation: All standard switches Detent Spring: Tinned music wire maximum at 28 Vdc, resistive load are continuous rotation. Desired stop locations Contact Resistance: 75 m, typical Contacts: Beryllium copper, gold plate over supplied upon request. Insulation Resistance: 1000 m minimum nickel Anti-Rotation Device: Integral non-turn tab, between terminals Terminals: Copper alloy, 725, 100% tin plate flatted bushing, .375 diameter, .320 double D Voltage Breakdown: 1000 Vac minimum over nickel plate across flats. Output Board: FR-4, copper/nickel-plated between terminals Termination: Standard is PC style, parallel to Life Expectancy: 100,000 cycles of operation at Mounting Nut: Brass, tin/zinc-plated hex nut shaft, facing rear. Options include PC, parallel to rated loads. One cycle of operation is a rotation Mounting Bracket: Stainless Steel, tin-plated shaft, facing front. through all of the active positions and a return to Panel Mounting Torque: 10 in-lbs maximum the starting position. ORDERING INFORMATION Series: 25L = Economical, single deck encoder Housing Color: B = Black housing R = Red housing Angle of Throw: 10 = 10, 36 positions 11 = 11.25, 32 positions 15 = 15, 24 positions 18 = 18, 20 positions 22 = 22.5, 16 positions 30 = 30, 12 positions 45 = 45, 8 positions 25LB10-Q-Z Mounting Bracket: Z = with bracket, Blank = no bracket Code Output: H = Hexadecimal available only in 22.5 G = Gray available only in 22.5 Q = Quadrature (2-bit) Custom materials, styles, color and markings are available. Custom knobs available, see page I-57. Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill. For Custom codes. Termination, Tirque, Angles of Throw, Call Grayhill for more information. Encoder Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com 5