Optical and Mechanical Encoders Specifications are subject to change. Please refer to the current datasheet on www.grayhill.com for the most current published specifications for this product. Optical Encoders SERIES 61A Custom, Absolute FEATURES Absolute Position Sensing 3, 4, or 5-Bit Custom Output Coding Available in 8, 16 and 32 detent positions Fixed Stops Only Angles of Throw to 45 (Design Specifications Will Dictate the Angle of Throw) DIMENSIONS in inches (and millimeters) Suggested Mounting Panel Cutout .320.005 .161.002 4,090,05 (BUSHING FLATS) .380.003 9,650,07 .218.005 .875.005 SQUARE .057.002 1,450,05 .562 3 PLACES .331 .248/.250 3/8-32 UNEF 2A .250 THREAD .093 MOUNTING SURFACE .688 3 PLACES .780.025 CONNECTOR IS 6.000.300 MOLEX P/N 14-56-2074 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.comOptical and Mechanical Encoders Specifications are subject to change. Please refer to the current datasheet on www.grayhill.com for the most current published specifications for this product. Optical Encoders CIRCUITRY TRUTH TABLE 3 BIT, 8 POSITION 5 BIT, 32 POSITION +5 VOLTS 7 Position B2 B3 B4 Position B0 B1 B2 B3 B4 R* 1 1 2 2 BIT 0 6 3 3 R* 4 4 5 5 BIT 1 5 6 6 7 7 R* 8 8 9 INDICATES LOGIC HIGH BIT 2 4 BLANK INDICATES LOGIC LOW 10 11 R* 12 13 BIT 3 3 14 4 BIT, 16 POSITION R* 15 Position B1 B2 B3 B4 16 BIT 4 2 1 17 2 18 3 19 4 20 GROUND 1 5 21 6 22 * EXTERNAL PULL-UP RESISTORS REQUIRED FOR OPERATION (4.7k) 7 23 8 24 9 25 10 26 11 27 12 28 13 29 14 30 15 31 16 32 INDICATES LOGIC HIGH INDICATES LOGIC HIGH BLANK INDICATES LOGIC LOW BLANK INDICATES LOGIC LOW SPECIFICATIONS Ratings Environmental Materials and Finishes Operating Voltage: 5 .25V DC Operating Temp. Range: -40C to +85C Detent Housing: Stainless Steel Storage Temp. Range: -55C to +100C Supply Current: 85 mA maximum at 5V DC Bushing: Brass, tin/zinc plated Life: 1 million cycles of operation 1 cycle is Vibration: MIL-STD 202, method 204, cond. B Shaft: Stainless steel rotation through all positions and a full return Mechanical Shock: 100 gs, 6 ms, half Sine Detent Balls: Steel, nickel-plated Rotational Torque: 12 4 in-oz (initial) 12.3 ft/s and 100 gs, 6 ms, sawtooth, 9.7 ft/s Code Housings: Nylon 6/10 Output High: 3.8V minimum for CMOS & Humidity: 90-95% relative humidity at Backplate: Nylon 6/10 40C for 96 hrs. HCMOS 2.7V minimum for TTL Aperture: Chemically etched stainless steel with Output Low: 0.8V maximum black oxide finish Shaft Push Out Force: 25 lbs. Rotor: Electroformed nickel and chemically Mounting Torque: 10 in-lb maximum etched stainless steel with black oxide finish Load Current: 5 mA maximum per channel Detent Springs: Tinned music wire Logic Rise and Fall Times: 30 mSec typical 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 inch thick by 0.562 inch across flats. ORDERING INFORMATION Series Style: A = Absolute position sensing Number of positions: 32 = 32 positions with 10 of throw 16 = 16 positions with 18 of throw 8 = 8 positions with 36 of throw 61A32-060 Termination: 060 = 6.0 inches cable 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 direct. Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com