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

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

Optical Encoders

SPECIFICATIONS

Electrical Ratings

Operating Voltage: 5.0 ±.25 Vdc

Supply Current: 30 mA maximum at 5 Vdc

Logic Output Characteristics:

Output Type: Open collector with integrated

Schmitt Trigger and 10K ohms pull-up resistor

Maximum Sink Current: 16 mA at .40 volts

Power Consumption: 150 mW maximum

Optical Rise Time: 500 nS typical

Optical Fall Time: 16 nS typical

Mechanical Ratings

Mechanical Life: 10 million revolutions

Time Life: Guaranteed for 10 years of

continuous operation (calculated from emitter

degradation data)

Mounting Torque: 20 in-lbs maximum

Shaft Push Out Force: 100 lbs

Terminal Strength: 5 lbs terminal pull-out force

minimum

Solderability: 95% free of pin holes and voids

Operating Torque: 1.5 in-oz maximum (no

detents) for unsealed versions

Environmental Ratings

Operating Temperature Range: -40°C to 85°C

Storage Temperature Range: -55°C to 100°C

Relative Humidity: 90-95% at 40°C for 96 hours

Vibration Resistance: Harmonic motion with

amplitude of 15g, within a varied 10 to 2000 Hz

frequency for 12 hours per MIL-STD-202,

Method 204

Cable Version

CIRCUITRY, TRUTH TABLE, AND WAVEFORM: Standard Quadrature 2-Bit Code

1 CYCLE

OUTPUT

A

OUTPUT

B

CHANNEL A LEADS CHANNEL B BY

90˚ ± 45˚ IN ALL ROTATIONS FOR

CLOCKWISE ROTATION OF SHAFT.

90˚ ± 45˚

1

2

3

5

4

10 K

Ω

10 K

Ω

PIN #

GROUND

NO CONTACT

OUTPUT A

POWER 5V

OUTPUT B

GRAYHILL XXXX X-X

61RXXX-XXX

XXXX X-X

XX-XXX

UNLESS OTHERWISE SPECIFIED, DIMENSION TOLERANCES ARE AS FOLLOWS:

LINEAR

±.010 (.25), DIAMETERS ±.010 (.25), ANGULAR ±5˚

1.250 DIA

(31.75)

.219

(5.57)

.033

(.84)

.066

(1.68)

.250

(6.35)

.501

(12.73)

.725

±.025

(18.42

±.64)

.350

(8.89)

.249/.250 DIA

(6.32/6.34)

.025 X 45˚

(.64)

CHAMFER

3/8 - 32

UNEF-2A

THREADS

CABLE LENGTH

XXX

±.25

(XXX

±.7)

CONNECTOR IS

MOLEX P/N

14-56-3056

OR EQUIVALENT

PIN #1

.550 DIA

(13.97)

MOUNTING

SURFACE

.152

(3.86)

KEYWAY DEPTH

Encoder

45