Optical Encoders
SERIES 63Q
High Resolution, 20mm
FEATURES
• Miniature Size, 20mm (0.787")
Diameter
• Resolutions up to 1024 Lines per
Revolution
• Single Ended and Differential
Outputs
• 1 Billion Rotational Life Cycles
• Conductive Carbon Fiber Housing
• IP 50 Sealing
• High Noise Immunity
• Low Supply Current
Requirements
DESCRIPTION
The Series 63Q is intended for
applications requiring high performance,
high-resolution digital feedback in a very
small package. It provides the resolution
of larger encoder packages but in a
package only 20mm (0.787") in diameter.
Outputs can be configured in either single
ended, open collector or internal pull-up
resistor, or with an industrial standard
RS422A differential line driver. The
sensing scheme also embodies a much
simplified encoder design, which
ultimately results in longer service life, and
less down time due to feedback device
failure. The encoder housing is
constructed of a conductive carbon fiber
composite that provides the EMI shielding
of an all metal housing and the
performance of a lightweight robust
assembly.
APPLICATIONS
• Steer by Wire
• Fractional Horse Power Motors
• Machine Tool Controls
• Material Handling
• Flow Meters
Optical and Mechanical
Encoders
DIMENSIONS
In inches (and millimeters)
10 POSITION
DUAL ROW
CONNECTOR
Ø.715
Ø.1247
+.0000
-.0004
.063
.138
.365±.020
.888
8.000±.050
1
2
.730
.050
.875
9
10
.500
Ø.787
Ø.438
.925
2-56X.200 DEEP
3 PLCS.
ON Ø.550 BOLT CIRCLE
Unless otherwise specified, standard tolerance is ±.010 (0,25)
Encoder
8
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Optical Encoders
PIN WIRING, CIRCUITRY, AND WAVEFORM STANDARD
SPECIFICATIONS
Electrical Ratings
Input Voltage:
5.0 ± 5% Vdc or 5-26 Vdc
Input Current Requirements:
100 mA
maximum output option 1 and 2, 50 mA
maximum output option 3; plus interface
loads
Ripple Current:
2% peak-to-peak @ 5 Vdc
Output Circuits:
AM26LS31 RS422A line
driver, OL7272 line driver, TTL
Logic Output Characteristics:
Output Type: Quadrature with channel A
leading channel B for CW rotation with
ungated index pulse true over A and B high
Frequency Response:
200 kHz
Symmetry:
180° ±10% typical
Minimum Edge Separation:
54 electrical
degrees
Mechanical Ratings
Maximum Shaft Speed:
8,000 RPM
Shaft Diameter:
0.125" (3,175)
Shaft Material:
Stainless steel
Bearings:
Radial ball bearing, R2 type
Radial Shaft Load:
2 lbs maximum
Axial Shaft Load:
1 lbs maximum
Housing:
Carbon fiber composite (case
ground via connector)
Housing Volume Resistivity:
10
-2
ohm-cm
Termination:
Two rows of 5 pins on 0.100"
centers. 8" ten conductor ribbon cable with
2x5 connector
Mounting:
Servo
Moment of Inertia:
9.5x10
-6
oz-in-sec
2
Acceleration:
1x10
5
radians per second
2
Environmental Ratings
Operating Temperature Range:
0 to 70°C
typical; -20°C to 100°C optional (contact
Grayhill for more information)
Storage Temperature Range:
-40°C to
125°C
Relative Humidity:
98% non-condensing
Vibration:
20G's @ 50-500 CPS
Mechanical Shock:
50G @ 11mS duration
Optical and Mechanical
Encoders
OPTIONS
Contact Grayhill for custom terminations, reso-
lutions, mounting configurations, shaft cou-
plings and configurations, and absolute posi-
tioning up to 256 positions.
ORDERING INFORMATION
Series
Resolution:
(quadrature cycles per revolution) A = 500, B = 512, C = 1000, D = 1024
Voltage:
L = 5 ±5% Vdc, H = 5-26 Vdc
63QAL-1-P
Termination:
C = 8" cable with connector, P = pin (no cable)
Output Option:
1 = RS422A line driver; 2 = OL7272 (5-26 Vdc) line driver; 3 = TTL output
Available from your local Grayhill Component Distributor.
For prices and discounts, contact a local Sales Office, an authorized local Distributor,
or Grayhill.
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Encoder
9
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