Optical Encoders SERIES 61C 16 or 32 Position with Pushbutton FEATURES •Competitively Priced to Similar Electromechanical Switches (cid:127)Optically Coupled For More Than A Million Trouble-Free Rotations (cid:127)Has Data Entry Pushbutton Switch Activated By Switch Shaft (cid:127)Compatible With CMOS, TTL and HCMOS Logic (cid:127)Operationally Used to Move Display Icon and Input Data (cid:127)Used to Set Radio Frequency, Drill Depth, RPM, etc. DIMENSIONS In inches (and millimeters) O p .521 ± .003 DIA. tic (Ø 13,23 ± 0,08) Encodeal and M .(TF25OL1,5A9 S6T ± H± .A 00F0,0T38) .(TO13OF5,82 BK6 ± OE± Y. T00WT0,0O2A5 M)Y .(2Ø5 60, 3D5IA). 3T/H8R-3E2A UDN E F-2A (Ø .1795,0D0 5±IA ±..0 00,308) rsec ANGLE h A ± 3˚* .250 an (6,35) ic a l C L OF .750 DIA. .025 ± .002 (Ø 19,05) .040 X (0,64 ± 0,05) AKNEYDWAY KBEUYSWHAINYG IS (T1O,0 2) XX LL21 S(6Q PULAARCEE SP)IN .066 ± .002 .070 (1,68 ± 0,05) (1,78) .525 ± .010 PIN 6 5 4 3 2 1 WIDE TRAVEL .420 (10,67) .100 ± .005 TYP. (13,34 ± 0,25) .375 (9,53) .140 (3,56) (2,54 ± 0,13) MAX. .450 (11,43) .050 ± .005 TYP. .100 (2,54) (1,27 ± 0,13) .312 ± .020 (7,92 ± 0,51) .728 (18,49) .629 *ANGLE A ± .005 Centerline of switch to (15,98 perpendicular of shaft flat ± 0,13) 32 Pos. 28.125° 16 Pos. 56.25° Grayhill part number and date code marked on label. Customer part number marked on request. Unless otherwise indicated, tolerances are ± .010 (0,25). I-21 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com

Optical Encoders CIRCUITRY, TRUTH TABLE, AND WAVEFORM: Standard Quadrature 2-Bit Code Clockwise Rotation PIN # Position Output A Output B POWER +5V 6 1 R* • 2 OUTPUT A 5 150Ω • • 3 5% R* • 4 OUTPUT B 4 •Indicates logic high; blank indicates logic low. Code repeats every 4 positions. N.O. 3 PUSHBUTTON SWITCH HIGH 2 OUTPUT A LOW HIGH GROUND 1 OUTPUT B LOW * External pull-up resistors required for operation. 8.2 kΩ is suggested for TTL; 3.3 kΩ is suggested for CMOS. 1 2 3 4 5 6 POSITION NUMBER SPECIFICATIONS O p Pushbutton Switch Ratings Materials and Finishes tic a RCoVroao CltntianMtaggOce:t S B 5R rCVeeodsamciks,dp t1oaa0nwti cbmnel:eA :2) ,l5 er0se Vss iatshctai bvnee t1w0e eonh mmsu t(uTaTllLy tmOinh-pSaoen zar 3 at± 0t1 i 5mn60.gS6% TaR otaP 1rftMq6eu.r.6 el iR:f e1P .fM5o r.i nF3-a2ol zlp T±ois m3it0eio% lne sionsni ttlihyaa)l n(1 3.00 BSDDheeutatseefhntn:ittn RagBne:a dinRl lPfseou:ir nscSfehotedbrce utelht,d teno rtinmhc keSoerppml-rlapionslpagtlitacses:d tTicinned music Encoderl and Me sc insulated parts. Rotational Life: more than 1,000,000 cycles of wire h a Contact Bounce: Less than 4 milliseconds at operation (1 cycle = 360° rotation and return) Printed Circuit Boards: NEMA grade FR-4 n ic make and less than 10 milliseconds at break. Shaft Push Out Force: 20 lbs minimum Pushbutton Contact: Stainless steel, gold- a l Actuation Life: 3,000,000 operations. Mounting Torque: 10 in-lbs maximum plated Actuation Force: maximum actuation force of Board Terminals: Phosphor bronze, tin-plated 330 grams and a minimum actuation force of Environmental Ratings Mounting Hardware: One brass, cadmium- 250 grams. Operating Temperature Range: –40°C to 85°C plated nut and lockwasher supplied with each Storage Temperature Range: –55°C to 100°C switch. Nut is 0.094 inches thick by 0.562 Encoder Ratings Relative Humidity: 90-95% at 40°C for 96 inches across flats. Coding: 2-bit quadrature coded output. hours. Rotor: Reinforced thermoplastic Operating Voltage: 5.0 ±.25 Vdc Vibration Resistance: Harmonic motion with Aperture/Dome Retainer: Lexan 141, Supply Current: 30 mA maximum at 5 Vdc amplitude of 15g, within a varied 10 to 2000 Hz Polycarbonate Logic High: 3.8V for CMOS and 2.7V for TTL frequency for 12 hours per MIL-STD-202, minimum. Method 204 Logic Low: 0.8V maximum Shock Resistance: Test 1: Tested at 100g for Logic Rise and Fall Times: Rise Time less 6 mS, half sine, 12.3 ft/s Test 2: 100g for 6 mS, sawtooth, 9.7 ft/s ORDERING INFORMATION Series Style: C = Standard Angle of Throw: 00 = No detent 11 = 11.25° or 32 Positions 22 = 22.25° or 16 Positions Coding: 01 = Quadrature 61C22-01-04-02 Pushbutton Option: 01 = Without pushbutton, 02 = With pushbutton Number of Changes per Revolution: 04 for no detent and 22.25° angle of throw 08 for no detent and 11.25° angle of throw 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. ACCESSORIES See page I-41. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com I-22