Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois

60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com

Optical Encoders

SPeCiFiCATiONS

Pushbutton Specifications

rating: 10mAat5Vdc

Contact resistance:Lessthan10Ohms

Contact Bounce:Lessthan4mSatmake

andlessthan10mSatbreak

Actuation Life: 3,000,000actuations

Actuation Force:8-850±200g,5-550±200g

Shaft Travel:.020±.010inch

rotary Specifications

rating:5.0±.25Vdc

Supply Current: 60mAmaximumat5Vdc

Output: Open collector phototransistor,

externalpull-upresistorsarerequired

Output Code: One pulse per position per

rotation(360degreesCW/CCW)

Logic High:3.0Vminimum

Logic Low:1.0Vmaximum

Power Consumption:300mWmaximum

Mechanical Life:1millioncyclesof

operation(1cycle=360°rotation)

rotational Torque:H-10.0±3.0in*oz,

(initial)

L-4.0±1.5in*oz

(torqueshallbewithin50%ofinitialvalue

throughoutlife)

Shaft Pushout Force:50lbs.minimum

Shaft Pullout Force:50lbs.minimum

environmental

Operating and Storage Temperature

range: -40°Cto+85°C

Humidity:90-95%RelativeHumidityat

40°Cfor96hours

Vibration:Harmonicmotionwithamplitude

of15g,withinavariedfrequencyof

10-2000hZ

Mechanical Shock:100g’s,6ms,HalfSine,

12.3ft/sand100g’s,6ms,Sawtooth,9.7ft/s

Series

“M” Style

Angle of Throw: Detent

12=30°or12positions

61MXX-XX

Pushbutton Force: 0=noPB,5=550g,10=1,000g

rotational Torque:L=lowtorque,H=hightorque

OrDeriNG iNFOrMATiON

Available from your local Grayhill Component Distributor.Forpricesanddiscounts,contactalocalSalesOffice,anauthorizedlocal

Distributor,orGrayhill.

Custommaterials,styles,colors,andmarkingsareavailable.Controlknobsavailable.

CirCUiTrY and TrUTH TABLe

Materials and Finishes

Shaft: Stainlesssteel

Detent/Bushing Housing: Stainlesssteel

Code rotor:ReinforcedThermoplastic

Stop Arm:Stainlesssteel

Deck Spacer:Reinforcedthermoplastic

Detent Springs:Pianowire

Detent Balls:Nickelplatedstainlesssteel

Pushbutton Actuator:Zytel70G33L

Domes:Stainlesssteel

Backplate: ReinforcedThermoplastic

Printed Circuit Boards: NEMAGradeFR-4,

doublecladcopper,goldplatedovernickel

Phototransistor: Planarsilicone

infrared emitter: Galliumaluminumarsenide

Solder Pins: Tinplatedbrass

Header: Hi-temp glass filled thermoplastic

UL94V-0,phosphorbronze

resistor: Metaloxideonceramicsubstrate

P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12

1

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2

3

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4

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5

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6

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7

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8

9

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10

11

12

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PiN NUMBer

Note:

BlankIndicateshighstate

Coderepeatsevery12positions

Note:Externalpull-upresistorsrequiredpins1-12.

PushbuttonForce

0

none

5

550g

10

1,000g

L

5in-oz

L0

L5

L10

H

10in-oz

H0

N/A

H10

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

PB

+5

G

PB