HEDG-9000 Series
Codewheel for use with Avago Technologies
Ultra-precision 17-Bit Absolute Single Turn Encoder
Encoder Modules AEAT-9000 series
Data Sheet
Description
Avago Technologies oers a codewheel designed speci-
cally for use with the AEAT-9000 series encoder modules.
The HEDG-9000 Series codewheel is suitable for many
environments, applications, and budgets. Made from
glass the HEDG-9000 codewheel has a resolution of 2048
CPR and an optical radius of 17.5 mm.
Note: Avago Technologies encoders are not recommend-
ed for use in safety critical applications, e.g., ABS braking
systems, power steering, life support systems and critical
care medical equipment. Avago’s products and software
are not specically designed, manufactured or autho-
rized for sale as parts, components or assemblies for the
planning, construction, maintenance or direct operation
of a nuclear facility or for use in medical devices or
applications. Customer is solely responsible, and waives
all rights to make claims against Avago or its suppliers, for
all loss, damage, expense or liability in connection with
such use. Please contact sales representative if more clari-
cation is needed.
Features
• Codewheel in Glass.
• Cost Eective
• Resolutions of 2048 CPR
• For Use with AEAT-9000 Series Encoders
• Lead Free
Applications
Typical applications include
• Rotary applications up to 17 bits/360° absolute position
• Integration into servo motors
• Industrial and maritime valve control
• High precision test and measurement machines
• Industrial and factory automation equipments
• Textile, woodworking & packaging machineries
• Nacelle & blades control in wind turbine
Absolute Maximum Ratings
Parameter Symbol Min. Typical Max. Units
Storage Temperature T
S
-40 115 °C
Operating Temperature T
A
-40 115 °C
Velocity 15000 RPM
Shaft Axial Play -0.05 0.05 mm
Shaft Eccentricity( inclusive module radial play) 0.05 mm TIR
Recommended Operating Conditions
Description Min. Typical Max. Units
Maximum Count Frequency 500 kHz
Shaft Axial Play -0.05 0.05 mm
Shaft Eccentricity( inclusive module radial play) 0.05 mm TIR
2
Codewheel installation instructions
1. Place codewheel on shaft
2. Set codewheel height using Set Height Tool
a) Place the set height tool on the Module mounting
surface, where the 2 guide pins being inserted into
the 2 mounting holes;
b) Push the codewheel toward the set height tool until
touching the tool. The codewheel is now at the
proper height;
c) Tighten both codewheel set screws.
3. Remove the set height tool
4. Install encoder module.
Figure 1a. Mount the CW with hub to shaft Figure 1b. Place the set height tool
Figure 1c. Push the CW until touching the set height tool Figure 1d. Tighten the set screws