Optical Encoders
DIMENSIONS In inches (and millimeters)
UNLESS OTHERWISE SPECIFIED, DIMENSION TOLERANCES ARE AS FOLLOWS:
LINEAR ±.010 (.25), DIAMETERS ±.010 (.25), ANGULAR ±5˚
.152
(3.86)
KEYWAY DEPTH
Cable Version
1.250 DIA
(31.75)
.033
(.84)
.066
(1.68)
.550 DIA
(13.97)
MOUNTING
SURFACE
.219
(5.57)
.249/.250 DIA
(6.32/6.34)
.025 X 45˚
(.64)
CHAMFER
.350
(8.89)
3/8 - 32
UNEF-2A
THREADS
.725±.025
(18.42±.64)
.250
(6.35)
GRAYHILL XXXX X-X
61KXXX-XXX
XXXX X-X
XX-XXX
PIN #1
.501
(12.73)
CONNECTOR IS
MOLEX P/N
14-56-3046
CABLE LENGTH
XXX±.25
(XXX±.7)
OR EQUIVALENT
CIRCUITRY, TRUTH TABLE, AND WAVEFORM: Standard Quadrature 2-Bit Code
PIN #
90˚ ± 45˚
GROUND
1
OUTPUT
A
OUTPUT B
2
OUTPUT
10 KΩ
B
OUTPUT A
POWER 5V
3
4
4.7 KΩ
1 CYCLE
10 KΩ
CHANNEL A LEADS CHANNEL B BY
90˚ ± 45˚ IN ALL ROTATIONS FOR
CLOCKWISE ROTATION OF SHAFT.
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
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
Mechanical Shock: Test 1: 100g for 6 mS, half-
sine wave with velocity change of 12.3ft/s. Test
2: 100g for 6 mS, sawtooth wave with velocity
change of 9.7 ft/s.
Materials and Finishes
See page I-41.
Optical Fall Time: 16 nS typical
Environmental Ratings
ACCESSORIES
OperatingTemperatureRange:-40°Cto85°C
Storage Temperature Range:-55°Cto100°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
See page I-41. For control knobs see page
I-57.
Mechanical Ratings
Mechanical Life: 10 million revolutions
Time Life: Guaranteed for 10 years of
continuous operation (calculated from emitter
degradation data)
ORDERING INFORMATION
See page I-41.
I-3 8
Grayhill, Inc.
• 5 6 1 Hillgrove Avenue • LaGrange, Illinois 6 0 5 2 5 -5 9 9 7 • USA • Phone: 7 0 8 -3 5 4 -1 0 4 0 • Fax: 7 0 8 -3 5 4 -2 8 2 0 • www.grayhill.com