Optical Encoders SERIES 61M Optically Coupled for Simulated Mechanical Rotary Switch Output FEATURES • Optical Alternative to Rotary Contacts • One Pulse Per Detent Position Per Rotation • Long Life of a Million Cycles • With or Without Pushbutton • Continuous Rotation and Fixed Stops Available • Rugged Construction • 8, 10 and 12 Positions Available Applications • Avionics • Any application requiring rotary switch output and the increased reliability of an optical device DIMENSIONS In inches (and millimeters) Optical and Mechanical Encoders .524 13,31 .445 11,30 .022 DIA 0,56 16 PLACES 10 9 11 12 8 7 PB +5 6 5 4 3 G PB 1 2 DETAIL “A” PINOUT .590 14,99 SEE DETAIL A .079 2,01 14 PLACES .094 2,38 .375 ± .02 9,52 ± 0,50 .202 5,13 .010 X 45° .312 7,92 1/4" 32-UNEF-2A THREAD .750 ± .020 19,05 ± 0,50 .250 ± .010 6,35 ± 0,25 -01 61M12-02-01 XXXX X X .579 14,71 .031 0,79 .046 1,17 .687 17,45 Unless otherwise specified, standard tolerance is ±.010 (0,25). Encoder 58 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Optical Encoders POSITION CIRCUITRY, TRUTH TABLE, AND WAVEFORM Standard Quadrature 2-Bit Code SWITCH SCHEMATIC 1 R1 R1 R1 R1 R1 2 R1 PIN NUMBER P1 • 3 4 5 P2 • P3 • P4 • 6 P5 • 7 PIN # 16 15 14 13 12 11 10 9 8 +5 G 7 6 5 4 3 2 1 8 9 P6 • P7 • P8 • 10 P9 • 11 N.O. PUSHBUTTON 12 Note: External pull-up resistors required for operation. 20ký is suggested. P10 P11 P12 • • • Note: Blank Indicates high state • Indicates low state Code repeats every 12 positions Pushbutton Ratings Switch Ratings Materials and Finishes Operating Voltage: 5 Vdc, 60mA maximum, resistive Contact Resistance: Less than 10 Ohms Voltage Breakdown: 250 Vac between mutually insulated parts Contact Bounce: Less than 4 mS at make and less than 10 mS at break Actuation Life: 3,000,000 operations Actuation Force: Maximum actuation force of 650 grams and a minimum force of 300 grams Pushbutton Travel: .010/.025 Output: One pulse per position per rotation (360 degrees CW/CCW) Operating Voltage: 5.0 ± .25 Vdc Supply Current: 60mA maximum at 5 Vdc Logic High: 3.8V minimum Logic Low: .8V minimum Logic Rise and Fall Time: 30mS Typ. Code Housing: Nylon (Red) Hiloy 610 Detent Housing: Stainless Steel Rotor: Reinforced Thermoplastic, 30% Glass Filled Polyester Bushing: Zinc Die Cast, Cadmium Plated Shaft: Stainless Steel Detent Balls: 302 Stainless Steel Through Bolts: 305 Stainless Steel Through Bolt Nuts: Stainless Steel Printed Circuit Boards: NEMA Grade FR-4 Terminals: Copper Alloy Aperture: Chem Etched Stainless Steel and/ or Electroformed Nickel Dome Retainer: Thermoplastic Mounting Hardware: One Brass, cadmiumplated nut and lockwasher supplied with each switch Mechanical Ratings Life Expectancy: 1 million cycles of operation; (1 cycle=360° rotation and return) Rotational Torque: 10 in-oz. ±3 in-oz. customs also available. Shaft Pushout Force: 50 lbs. minimum Mounting Torque: 20 in-lbs. maximum Environmental Operating Temperature Range: -40°C to +85°C Storage Temperature Range: -55°C to + 100°C Vibration: MIL-STD 202, Method 204, Condition B Mechanical Shock: 100g’s, 6 ms, Half Sine, 12.3 ft/s and 100g’s, 6 ms, Sawtooth, 9.7 ft/s Humidity: 90-95% Relative Humidity at 40°C for 96 hours OPTIONS Contact Grayhill for customer application needs. ORDERING INFORMATION Series “M” Style Angle of Throw: Detent 08 = 45° or 8 positions 10 = 36° or 10 positions 12 = 30° or 12 positions 61MXX-XX-XX Termination: 01 = without terminal pins, 02 = with terminal pins Pushbutton Option: 01 = without P.B., 02 = with P.B. Custom materials, styles, colors, and markings are available. Control knobs available. Available from your local Grayhill Component Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor, or Grayhill. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Encoder 59 Optical and Mechanical Encoders SPECIFICATIONS