Optical Encoders
SERIES 61K
High Resolution, 4-Pin
FEATURES
• 25, 32, 50, 64, 100, 128 and 256
Cycles per Revolution Available
• Sealed Version Available
• Rugged Construction
• Cable or Pin Versions
• 10 Million Life Cycles
• 300 RPM Shaft Rotation
DIMENSIONS
Pin Version
In inches (and millimeters)
1.250 DIA
(31.75)
.152
(3.86)
KEYWAY DEPTH
UNLESS OTHERWISE SPECIFIED, DIMENSION TOLERANCES ARE AS FOLLOWS:
LINEAR
±.010
(.25), DIAMETERS
±.010
(.25), ANGULAR
±5˚
Optical and Mechanical
Encoders
.725±.025
(18.42±.64)
.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
.250
(6.35)
GRAYHILL XXXX X-X
61kXXX
XXXX X-X
XX
.776±.025
(19.71±.64)
.501
(12.73)
PIN #1
.150
(3.81)
.100
(2.54)
.300
(7.62)
.225
(5.71)
I-37
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Optical Encoders
DIMENSIONS
Cable Version
In inches (and millimeters)
1.250 DIA
(31.75)
.152
(3.86)
KEYWAY DEPTH
.033
(.84)
.066
(1.68)
UNLESS OTHERWISE SPECIFIED, DIMENSION TOLERANCES ARE AS FOLLOWS:
LINEAR
±.010
(.25), DIAMETERS
±.010
(.25), ANGULAR
±5˚
.550 DIA
(13.97)
MOUNTING
SURFACE
.219
(5.57)
.025 X 45˚
(.64)
CHAMFER
.350
(8.89)
.725±.025
(18.42±.64)
.250
(6.35)
3/8 - 32
UNEF-2A
THREADS
.249/.250 DIA
(6.32/6.34)
GRAYHILL XXXX X-X
61KXXX-XXX
XXXX X-X
XX-XXX
Optical and Mechanical
Encoders
.501
(12.73)
CONNECTOR IS
MOLEX P/N
14-56-3046
OR EQUIVALENT
PIN #1
CABLE LENGTH
XXX±.25
(XXX±.7)
CIRCUITRY, TRUTH TABLE, AND WAVEFORM: Standard Quadrature 2-Bit Code
PIN #
GROUND
1
OUTPUT
A
90˚ ± 45˚
OUTPUT B
2
10 KΩ
OUTPUT
B
4.7 KΩ
10 KΩ
OUTPUT A
3
1 CYCLE
CHANNEL A LEADS CHANNEL B BY
90˚ ± 45˚ IN ALL ROTATIONS FOR
CLOCKWISE ROTATION OF SHAFT.
POWER 5V
4
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
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 12.3 ft/s. Test
2: 100g for 6 mS, sawtooth wave with velocity
change of 9.7 ft/s.
Materials and Finishes
See page I-41.
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
ACCESSORIES
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.
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
I-38
Optical Encoders
SERIES 61R
High Resolution, 5-Pin
(Polarized Connection)
FEATURES
• 25, 32, 50, 64, 100, 128 and 256
Cycles per Revolution Available
• Sealed Version Available
• Rugged Construction
• Cable or Pin Version
• 10 Million Life Cycles
• 300 RPM Shaft Rotation
• Index Pulse Available
DIMENSIONS
Pin Version
Optical and Mechanical
Encoders
In inches (and millimeters)
UNLESS OTHERWISE SPECIFIED, DIMENSION TOLERANCES ARE AS FOLLOWS:
LINEAR
±.010
(.25), DIAMETERS
±.010
(.25), ANGULAR
±5˚
1.250 DIA
(31.75)
.152
(3.86)
KEYWAY DEPTH
.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)
.725±.025
(18.42±.64)
.250
(6.35)
3/8 - 32
UNEF-2A
THREADS
GRAYHILL XXXX X-X
61RXXX
XXXX X-X
XX
.776±.025
(19.71±.64)
.501
(12.73)
PIN #1
.100
(2.54)
.200
(5.08)
.400
(10.16)
.225
(5.71)
I-39
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Optical Encoders
DIMENSIONS
In inches (and millimeters)
1.250 DIA
(31.75)
.152
(3.86)
KEYWAY DEPTH
.033
(.84)
.066
(1.68)
UNLESS OTHERWISE SPECIFIED, DIMENSION TOLERANCES ARE AS FOLLOWS:
LINEAR
±.010
(.25), DIAMETERS
±.010
(.25), ANGULAR
±5˚
Cable Version
.550 DIA
(13.97)
MOUNTING
SURFACE
.219
(5.57)
.025 X 45˚
(.64)
CHAMFER
.350
(8.89)
.725±.025
(18.42±.64)
.250
(6.35)
3/8 - 32
UNEF-2A
THREADS
.249/.250 DIA
(6.32/6.34)
GRAYHILL XXXX X-X
61RXXX-XXX
XXXX X-X
XX-XXX
Optical and Mechanical
Encoders
.501
(12.73)
CONNECTOR IS
MOLEX P/N
14-56-3056
OR EQUIVALENT
PIN #1
CABLE LENGTH
XXX±.25
(XXX±.7)
CIRCUITRY, TRUTH TABLE, AND WAVEFORM: Standard Quadrature 2-Bit Code
PIN #
GROUND
5
90˚ ± 45˚
NO CONTACT
4
3
10 K
9
4.7 K
9
OUTPUT
A
OUTPUT
B
1 CYCLE
CHANNEL A LEADS CHANNEL B BY
90˚ ± 45˚ IN ALL ROTATIONS FOR
CLOCKWISE ROTATION OF SHAFT.
OUTPUT A
POWER 5V
2
10 K
9
OUTPUT B
1
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
Shock Resistance:
Test 1: 100g for 6 mS, half-
sine wave with velocity change of 12.3 ft/s. Test
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
I-40
Optical Encoders
2: 100g for 6 mS, sawtooth wave with velocity
change of 9.7 ft/s.
Materials and Finishes
Bushing:
Cast zinc, nickel-plated
Code Housing:
Hiloy 610B
Shaft:
Stainless steel
Rotor:
Nylon
Retaining Ring:
Stainless steel
Code Rotor and Aperture:
Chemically etched
stainless steel/electroformed nickel
Printed Circuit Board:
NEMA Grade FR-4.
Five microinches minimum gold over 100
microinches minimum nickel over copper
Optical Barrier:
Polyphenylene sulfide, 94 V-0
Backplate:
Polyester
Header:
Phosphor bronze, 200 microinches tin
over 50 microinches nickel (pin version only)
Infrared Emitter:
Gallium aluminum arsenide
Photo IC:
Planar silicon
Cable:
26 AWG, stranded/tinned wire, PVC
coated on .100 (2,54) centers (cable version
only)
ORDERING INFORMATION
Series
Style:
K = Standard, 4-pin, high resolution
KS = Sealed, 4-pin, high resolution
R = Standard, 5-pin, high resolution
RS = Sealed, 5-pin, high resolution
Cycles:
per channel per revolution = 25, 32, 50, 64, 100, 128, 256
61RS256 – 020
Optical and Mechanical
Encoders
Termination:
Blank (no dash or numbers): pins as described in drawing.
Cable Termination: 020 = 2.0 inches minimum to 250 = 25 inches maximum
Provided in increments of 1/2 inch. Example 035 = 3.5", 060 = 6". Cable is
terminated with standard Molex part no. 14-56-3046 for 61K, 14-56-3056 for 61R.
Use any standard .100 center 4-pin header for 61K, 5-pin header for 61R to
interface with cable. Recommended to be mounted with Molex header part no.
70543-0003 or 70553-0003 for 61K, 70543-0004 or 70553-0004 for 61R.
Control knobs available, see page I-57.
Available from your local Grayhill Distributor.
For prices and discounts, contact a local Sales Office, an authorized local Dstributor or Grayhill.
ACCESSORIES
Non-Turn Washer
The Series 61 bushing is 3/8 inches in diameter
and has a non-turn keyway to prevent rotation
of the switch body when the panel is cut to fit.
Another way to keep the switch from turning is
to use a non-turn washer. The washer is
cadmium-plated brass.
Part number:
12C1087-1
Part number:
SHH694-11,
302-2B stainless
steel, no plating
Shaft and Panel Seal
For shaft and panel seal version, the shaft is
sealed by an o-ring inside the bushing. The
panel is sealed by a flat gasket .045" thick at the
base of the bushing. The panel seals will increase
the behind panel dimension by .020" to .040",
when the switch is mounted. The panel seal is
silicon rubber.
DIMENSIONS
.625 ± .010 DIA.
(15,89 ± 0,25)
In inches (and millimeters)
.032 ± .002
(0,81 ± 0,05)
.625 ± .010
(15,88 ± 0,25) DIA.
.032
± .002
(0,81
± 0,05)
90˚ ± 1˚
.437 + .010 –.000
(11,10 + 0,25 –0,00)
.005 ± .003
(0,38 ± 0,08)
RADIUS
.125 ± .010
(3,16 ± 0,25)
.530 ± .005
(13,46 ± 0,13)
90˚ ± 1˚
.030 (0,76)
RADIUS MAX.
.120 ± .003
(3,05 ± 0,08)
.110
± .003
(2,79
± 0,08)
C
L
.120 ± .003
(3,05 ± 0,08)
Part Number:
12C1087-1
Part Number:
SHH694-11
I-41
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
