61A16-080

Optical Encoders SERIES 61A Custom, Absolute FEATURES • Absolute Position Sensing • 3, 4, or 5-Bit Custom Output Coding • 8 to 32 Positions • Fixed Stops Only • Angles of Throw to 45° (Design Specifications Will Dictate the Angle of Throw) DIMENSIONS In inches (and millimeters) Optical and Mechanical Encoders .320±.005 (BUSHING FLATS) .218±.005 .875±.005 SQUARE .562 3 PLACES .331 3/8-32 UNEF 2A THREAD .250 MOUNTING SURFACE .688 3 PLACES .248/.250 .093 .780±.025 CONNECTOR IS MOLEX P/N 14-56-2074 6.000±.300 UNLESS OTHERWISE SPECIFIED, DIMENSION TOLERANCES ARE AS FOLLOWS: LINEAR ±.010 (0,25), DIAMETERS ±.010 (0,25), ANGULAR ±5 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Encoder 43 Optical Encoders CIRCUITRY TRUTH TABLE +5 VOLTS 3 BIT, 8 POSITION 7 Position R* BIT 0 6 R* BIT 1 5 R* B2 5 BIT, 32 AND 24 POSITION B3 Position B4 1 1 2 2 3 3 4 4 5 5 6 6 7 7 B2 B3 B4 9 INDICATES LOGIC HIGH BLANK INDICATES LOGIC LOW 4 B1 8 8 BIT 2 B0 10 11 R* 12 BIT 3 13 3 4 BIT, 16 POSITION 14 R* 15 Position BIT 4 2 GROUND 1 * EXTERNAL PULL-UP RESISTORS REQUIRED FOR OPERATION (4.7k) B1 B2 B3 17 2 18 3 19 4 20 5 21 6 22 7 23 8 24 Optical and Mechanical Encoders 9 25 10 26 11 27 12 28 13 29 14 30 15 31 INDICATES LOGIC HIGH BLANK INDICATES LOGIC LOW Environmental Ratings Operating Voltage: 5 ±.25V DC Supply Current: 85 mA maximum at 5V DC Life: 1 million cycles of operation; 1 cycle is rotation through all positions and a full return Rotational Torque: 1.5 in-oz (Initial) Output High: 3.8V minimum for CMOS & HCMOS; 2.7V minimum for TTL Output Low: 0.8V maximum Shaft Push Out Force: 25 lbs. Mounting Torque: 10 in-lb maximum Load Current: 5 mA maximum per channel Logic Rise and Fall Times: 30 mSec typical 16 1 16 SPECIFICATIONS B4 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: 100 g’s, 6 ms, half Sine 12.3 ft/s and 100 g’s, 6 ms, sawtooth, 9.7 ft/s Humidity: 90-95% Relative humidity at 40°C for 96 hrs. Materials and Finishes Detent Housing: Stainless Steel Bushing: Brass, tin/zinc plated Shaft: Stainless steel Detent Balls: Steel, nickel-plated Code Housings: Nylon 6/10 Backplate: Nylon 6/10 32 INDICATES LOGIC HIGH BLANK INDICATES LOGIC LOW Aperture: Chemically etched stainless steel with black oxide finish Rotor: Electroformed nickel and chemically etched stainless steel with black oxide finish Detent Springs: Tinned music wire PC Boards: NEMA grade FR-4 Through Bolts: Stainless steel, unplated Through Bolt Nuts: Stainless steel Mounting Hardware: One brass, tin/zinc-plated nut and one stainless steel, zinc-plated lockwasher supplied with each switch. Nut is 0.094 inches thick by 0.562 inches across flats. ORDERING INFORMATION Series Style: A = unsealed Number of positions: 32 = 32 positions with 10" of throw 16 = 16 positions with 18" of throw 8 = 8 positions with 26" of throw 61A32-060 Termination: Cable Termination: 060=6.0 inches.Cable is terminated with Molex connector P/N 14-56-2074. Available from your local Grayhill Component Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor, or Grayhill. Encoder 44 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com