Mechanical Encoders
SerieS 20
Concꢀntꢁꢂc Shafts
FeꢃꢄureS
•ꢀCompactꢀmechanicalꢀencoderꢀwithꢀconcentricꢀshafts
•ꢀOutputꢀCodeꢀChoices
•ꢀPanelꢀandꢀShaftꢀSealꢀOption
•ꢀManufacturedꢀtoꢀISOꢀ9001ꢀandꢀMilitaryꢀStandards
•ꢀAvailableꢀwithꢀaꢀfixedꢀstopꢀorꢀcontinuousꢀrotation
•ꢀCustomꢀConfigurationsꢀAvailable
DimeꢅSiꢆꢅS ꢀinꢀinches
SpeCiFiCꢃꢄiꢆꢅS
mꢀchanꢂcal ratꢂngs
Stoꢇ Stꢁꢀngth:ꢀ5ꢀin-lbs.
rotatꢂonal ꢄoꢁqꢈꢀ:ꢀ
5ꢀin-ozꢀouterꢀshaft
3.5ꢀin-ozꢀinnerꢀshaft
elꢀctꢁꢂcal ratꢂngs
Haꢁdwaꢁꢀ Dꢂꢉꢀnsꢂons:
Swꢂtchꢂng Loads:ꢀ
150ꢀmA,ꢀ115ꢀVac
200ꢀmA,ꢀ28ꢀVdc
Lockwasher:ꢀ.437inchꢀdiameter,ꢀ.022inchꢀthick
HexꢀNut:ꢀ5/16-32ꢀUNEF-2BꢀThread,ꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ.437ꢀinchꢀacrossꢀflats,ꢀ.094ꢀinchꢀthick
Lꢂfꢀ exꢇꢀctancy:ꢀ
moꢈntꢂng ꢄoꢁqꢈꢀ:ꢀ12ꢀin-lbs.ꢀrecommended
ꢆꢇꢀꢁatꢂng ꢄꢀꢉꢇꢀꢁatꢈꢁꢀ rangꢀ:ꢀ
-40°Cꢀtoꢀ+85°C
Stoꢁagꢀ ꢄꢀꢉꢇꢀꢁatꢈꢁꢀ rangꢀ:ꢀ
-55°Cꢀtoꢀ+100°C
iꢉꢉꢀꢁsꢂon: 15ꢀpsiꢀ(33ft)ꢀforꢀ30ꢀminutesꢀ
pꢂn Dꢂꢉꢀnsꢂons:ꢀ.018ꢀinchꢀsquare
25,000ꢀcyclesꢀatꢀratedꢀloads
Contact rꢀsꢂstancꢀ:ꢀ300ꢀmohmsꢀmax.
(lessꢀthanꢀ100ꢀmohmsꢀinitially)
insꢈlatꢂon rꢀsꢂstancꢀ:ꢀ1000ꢀMohmsꢀmin.
(10,000ꢀMohmsꢀinitially)
matꢀꢁꢂals and Fꢂnꢂshꢀs
ꢄꢀꢁꢉꢂnal pꢂns:ꢀPhosphorꢀbronzeꢀwithꢀtinꢀoverꢀ
nickelꢀplating
panꢀl Sꢀal: Buna-Nꢀrubber,ꢀadhesiveꢀcoated
Lockwashꢀꢁ:ꢀSpringꢀsteelꢀwithꢀzincꢀplating
Hꢀx ꢅꢈt:ꢀBrassꢀwithꢀtin/zincꢀplating
Dꢂꢀlꢀctꢁꢂc Stꢁꢀngth:ꢀ500ꢀVacꢀmin.
ꢆrDeriꢅꢊ iꢅFꢆrmꢃꢄiꢆꢅ (potentialꢀcombinations)
Sꢀꢁꢂꢀs 20:ꢀMechanicalꢀEncoder,ꢀconcentricꢀshafts
Sꢀal: Sꢀ=ꢀSealed;ꢀAꢀ=ꢀNotꢀSealed
ꢆꢈtꢇꢈt codꢀ
ꢃnglꢀ of thꢁow (outerꢀshaft)
Stoꢇ aꢁꢁangꢀꢉꢀnt: ACꢀ=ꢀallꢀpositionsꢀcontinuousꢀrotation;ꢀ
AFꢀ=ꢀallꢀpositionsꢀwithꢀfixedꢀstopꢀbetweenꢀfirstꢀandꢀlast;
02ꢀtoꢀ15:ꢀnumberꢀofꢀpositions,ꢀifꢀlessꢀthanꢀmaximum
ꢆꢈtꢇꢈt Codꢀ:
Gꢀ=ꢀGray
Bꢀ=ꢀBinary
Qꢀ=ꢀQuadrature
20Sꢊ2ꢃC–ꢊ2ꢃC-p
ꢃnglꢀ of thꢁow / ꢉax ꢇosꢂtꢂons:
2ꢀ=ꢀ22.5°ꢀꢀꢀ/ꢀ16ꢀpositionsꢀ
0ꢀ=ꢀ30°ꢀꢀꢀꢀꢀꢀ/ꢀ12ꢀpositions
6ꢀ=ꢀ36°ꢀꢀꢀꢀꢀꢀ/ꢀ10ꢀpositionsꢀ
5ꢀ=ꢀ45°ꢀꢀꢀꢀꢀꢀ/ꢀꢀꢀ8ꢀpositions
ꢄꢀꢁꢉꢂnatꢂon: Pꢀ=ꢀPins;ꢀ02ꢀtoꢀ25ꢀ=ꢀCableꢀLength
Stoꢇ aꢁꢁangꢀꢉꢀntꢀ(seeꢀabove)
ꢃnglꢀ of thꢁow (innerꢀshaft)
ꢆꢈtꢇꢈt codꢀ
Grayhill, Inc.
• 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com