Optical Encoders
SERIES 61Z
High Resolution, Redundant
Circuitry, 7-Pin
FEATURES
• 25, 32, 50, 64, 100, 128 and 256
Cycles per Revolution
• Rugged Construction
• 10 Million Life Cycles
• 300 RPM Shaft Rotation
• Shaft and Panel Seals Available
• Custom Cable Versions
DIMENSIONS
In inches (and millimeters)
Top View
1.500 SQ. (38,1)
Optical and Mechanical
Encoders
.750 ± .005
(19,05 ± 0,13)
.750 (19,05) DIA
(MOUNTING SURFACE)
.750 ± .005
(19,05 ± 0,13)
.066 (1,68)
KEYWAY
.900 (22,86) R
4 PLCS
.152 (3,86)
KEYWAY
.219 (5,56)
C .025 (0,64) X 45˚
3/8-32 UNEF-2A
THREAD
.725 ±.025
(18,42 ± 0,64)
.249/.250
(6,32/6,35)
.250
±.004
.001/.004
(0,03/0,10)
MOUNTING
SURFACE
TO TOP OF
HOUSING
.060 R (1,52)
.350
(8,89)
GRAYHILL XXX X-X
61ZXXX
.560 (14,22) MAX
(SURFACE FROM
MOUNTING)
.340 ±.025
(8,64 ± 0,64)
PIN 1
PIN 2
PIN 3
PIN 4
PIN 5
PIN 6
PIN 7
.300 (7,62)
.100 (2,54)
.025 ±.003
(0,64 ± 0,08)
SQUARE
7 PLCS
.100 (2.54)
6 PLCS
.600 (15,24)
Unless otherwise indicated, tolerances are ± .010 (0,25).
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
I-42
Optical Encoders
CIRCUITRY AND WAVEFORM: Standard Redundant Quadrature 2-Bit Code
90˚ ± 45˚
OUTPUT "B"
CHANNEL "A"
OUTPUT "A"
POWER
GROUND
POWER
CHANNEL "B"
OUTPUT "A"
OUTPUT "B"
7
6
10
KΩ
5
4
3
10
KΩ
2
10
KΩ
1
4.7
KΩ
120
KΩ
120
KΩ
10
KΩ
4.7
KΩ
OUTPUT
A
OUTPUT
B
1 CYCLE
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:
50 mA maximum at 5 Vdc
Logic Output Characteristics:
Output Type: Open collector and 10 KΩ pull-up
resistor with integrated Schmitt Trigger
Maximum Sink Current: 16 mA at .40V
Power Consumption:
250 mW maximum at 5 Vdc
Optical Rise Time:
500 nS typical
Optical Fall Time:
16 nS typical
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 2: 100g for 6 mS, sawtooth wave with
velocity change of 9.7 ft/s.
Materials and Finishes
Bushing:
6262-T9 aluminum alloy
Housing:
Hiloy 610B
Shaft:
Stainless steel insert molded into nylon
rotor support
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:
Polyphthalumide (PPA)
Backplate:
Polyester
Pin Header:
Phosphor bronze, 200
microinches tin over 50 microinches nickel
(pin version only)
Infrared Emitter:
Gallium aluminum arsenide
Photo IC:
Planar silicon
Retaining Ring:
Stainless steel
Optical and Mechanical
Encoders
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
ORDERING INFORMATION
Series
Style:
Z = Standard, high resolution, redundant circuitry, 7-pin
ZS = Sealed, high resolution, redundant circuitry, 7-pin
Cycles:
per channel per revolution = 25, 32, 50, 64, 100, 128, 256
61ZS256
For Accessories see page I-41 for details. 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 Distributor or Grayhill.
I-43
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
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