Optical Encoders
SERIES 63T
High Resolution, Hollow Shaft
FEATURES
• Low Profile
• Simplified Encoder Attachment
• Resolutions up to 1024 Lines per
Revolutions
• Three-Phase Commutation in
4,6 or 8 Pole Versions
• Conductive Carbon Fiber Housing
• Standard 1.812" (46mm) Bolt
Circle Mounting
• Hollow Shaft Sizes Up to .375" or
10mm in Diameter
• High Noise Immunity
• Cost Competitive with Modular
Encoders
• Industry Standard Line Drivers
Optical and Mechanical
Encoders
APPLICATIONS
• Steer by Wire
• Fractional Horse Power Motors
• Machine Tool Controls
• Material Handling
• Flow Meters
DIMENSIONS
In inches (and millimeters)
Top View
2.10 (53,34)
1.812 (46,02)
Bottom View
18" STRANDED CABLE WITH
100% FOIL SHIELD
HOLLOW SHAFT
DIAMETERS FROM
0.250" (6,350) UP TO
0.375" (9,525)
30˚ ROTATIONAL
ADJUSTMENT
CONDUCTIVE
CARBON FIBER
COMPOSITE
HOUSING
TWO 4-40 SET
SCREWS @ 90˚
Side View
1.45 +.01-.00
(36,83 +0,25-00)
0.87 (22,1)
FLEXIBLE MOUNT
WITH INDUSTRY
STANDARD 1.812" (46,02)
BOLT CIRCLE
Encoder
6
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Optical Encoders
WAVEFORM, CIRCUITRY, AND WIRING DIAGRAM
90˚ Electrical Typical
180˚ Electrical 10%
Output A
Output A'
Output B
Output B'
Maximum Z Width
Output Z
Output Z'
Clockwise shaft rotation as viewed looking at the encoder face
Output W
Output W'
Output U
Output U'
Standard Quadrature 2-Bit Code
Wiring
Red = +Vdc
Black - Common
Brown - Output A
White - Output A'
Blue - Output B
Green - Output B'
Orange - Output Z
Yellow - Output Z'
Violet - Output U
Gray - Output U'
Brown/White - Output V
Red/White - Output V'
Orange/White - Output W
Yellow/White - Output W'
Black/White - Case Ground
Drain Wire - Cable Shield
120˚ Electrical Typical
Output V
Output V'
240˚ Electrical
Typical
Output Circuit
Outputs A, B, Z, U, V & W
Outputs A', B', Z', U', V' & W'
SPECIFICATIONS
Electrical Ratings
Input Voltage:
5 ± 5% Vdc or 5-26 Vdc
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 index
centered over A
Frequency Response:
200 kHz
Symmetry:
180° ±10% typical
Minimum Edge Separation:
54 electrical
degrees
Commutation Format:
Three phase: 4, 6 or
8 poles
Communtation Accuracy:
±1° mechanical
Input Current Requirements:
125 mA
typical, 5 Vdc plus interface loads
Mechanical Ratings
Maximum Shaft Speed:
8,000 RPM
Hollow Shaft Diameter:
0.250", 0.312",
0.375", 6mm, 8mm, 10mm
Radial Shaft Movement:
0.007"
(0,178mm) T.I.R.
Axial Shaft Movement:
±0.030"(7,62mm)
Housing:
Carbon fiber composite (case
ground via cable)
Housing Volume Resistivity:
10
-2
ohm-cm
Termination:
Standard: 15-conductor stranded cable,
28 AWG, 18" (457mm) in length
Non-commutation and TTL output:
9-conductor stranded cable, 28 AWG,
18" in length
Mounting:
1.812" (46mm) bolt circle
Acceleration:
1x10
5
radians per second
2
Moment of Inertia:
1.5 x 10
-4
oz-in-s
2
Accuracy:
±.8 arc minutes
Environmental Ratings
Operating Temperature Range:
-20°C to
100°C typical; -20°C to 120°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, and shaft
couplings and configurations.
ORDERING INFORMATION
Series
Resolution:
(quadrature cycles per revolution) A = 500, B = 512, C = 1000, D = 1024, E = 256
Voltage:
L = 5.0 ± 5% Vdc, H = 5-26 Vdc
Output Option:
1 = AM26LS31 RS422A Line Driver, 2 = OL7272, 5-26 Vdc Line Driver, 3 = TTL,
Output Option:
4 = RS422A, for A, B, Z; Open Collector for U, R, W
Mounting:
1 = Std. 1.812" flex
Mounting:
2 = Size 15 Resolver Mount
63TAL-1-1-4-2-1
Index Gating:
0 = Ungated index; 1 = Gated to A, 180°; 2 = Gated to A and B, 90°
Motor Poles:
4 = 4 pole, 6 = 6 pole, 8 = 8 pole, 0 = no commutation
Hollow Shaft Size:
1 = 0.250", 2 = 0.312", 3 = 0.375", 4 = 6mm, 5 = 8mm, 6 = 10mm
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
7
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