Grayhill Mechanical Rotary Encoders 25L Series User Manual download pdf

Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com

Optical and Mechanical

Encoders

Mechanical Encoders

SERIES 25L

Hex, Gray and Quadrature Code

FEATURES

•PriceCompetitivetoSimilarDesigns

•QualityConstructionandContactMaterials

•MultipleCodeandIndexingChoices

•100,000LifeCycles

•Lessthan1.0"Square

•ManufacturedtoISO9001Standards

DIMENSIONS ininches(andmillimeters)

1.020 ±

.010

(25,91 ±

0,25)

.590 ± .010

(14,97 ± 0,25)

.865 ±

.015

(21,97 ±

0,38)

.865 ± .015

(21,97 ± 0,38)

.925 ± .010

(23,50 ± 0,25)

.100 ± .005

(2,54 ± 0,13)

TYP.

90˚

BUSHING

FLATS

SHAFT

FLAT

.219 ± .004

(5,56 ± 0,10)

Ø .470 ± .010

(11,94 ± 0,25)

.320 ± .010

(8,13 ± 0,25)

.400 ± .015

(10,16 ± 0,38)

NON-TURN

TAB

3/8-32 UNEF-2A

THREAD

.250 + .001 –.002

(6,35 + 0,03 –0,05)

DIA.

.250 ± .015

(6,35 ± 0,38)

.500 ± .015

(12,7 ± 0,38)

NON-TURN TAB

Ø .120 ± .005 (3,05 ± 0,13) WIDE

BY .068 ± .005 (1,73 ± 0,13) THICK

.250 ± .015

(6,35 ± 0,38)

.343 ± .025

(8,71 ± 0,64)

.045 ± .005

(1,14 ± 0,13)

.250 ± .010

(6,35 ± 0,25)

.500 ± .010

(12,7 ± 0,25)

.025 ± .002

(0,64 ± 0,05)

SQUARE PIN

(3 PLACES)

LOCK TAB (2) FOR

MOUNTING BRACKET 25J5155

MOUNTING

BRACKET

Indicatesclosedcircuit;blankindicates

opencircuit.

8421

Clockwise Rotation

Code

Position

8421

Output

Switch

Position

Clockwise Rotation

4-BitBinaryCodeHexadecimal-16Position

4-BitGrayCode-16Position

Indicatesclosedcircuit;

blankindicatesopen

circuit.Coderepeats

every4positions.

Quadrature2-BitCode

1/4CycleperDetent

"B""A"

Output

Switch

Position

Clockwise Rotation

Switch

Position

Code

Position

Output

Indicatesclosedcircuit;blankindicates

opencircuit.

TRUTH TABLES

OUTPUT

HIGH

LOW

HIGH

LOW

POSITION NUMBER

1 2 3 4 5 6

Quadrature2-bitCode

OutputTableforCWRotation

1 2

Mechanical Encoders 1
SERIES 25L 1

Summary of Contents

Page 1 - SERIES 25L

Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayh

Page 2

Optical and Mechanical EncodersGrayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • F

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Grayhill Mechanical Rotary Encoders 25L Series User Manual

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