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HEDG-512X Datasheet Preview

HEDG-512X Datasheet

(HEDx-x1xX) Two and Three Channel Codewheels

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Two and Three Channel
Codewheels for Use with Agilent
Optical Encoder Modules
Technical Data
HEDS-51X0/61X0 Series
HEDG-512X/612X Series
HEDM-512X/61XX Series
Features:
• Codewheels Available in
Glass, Film, and Metal
• Available in Two Standard
Diameters
• Cost Effective
• Resolutions from 96 CPR to
2048 CPR
• For Use with HEDS-90XX/
91XX Series Two and Three
Channel Encoders
Description
Agilent Technologies offers a
wide variety of codewheels for
use with Agilent’s HEDS-9000,
HEDS-9100, HEDS-9040, and
HEDS-9140 series Encoder
Modules. Designed for many
environments, applications, and
budgets, Agilent codewheels are
available in Glass, Film, and
Metal. These codewheels are
available in resolutions from 96
Counts Per Revolution (CPR) to
1024 CPR on an 11 mm optical
radius and 500 to 2048 CPR on a
23.36 mm optical radius.
Each of the three codewheel
materials offers a certain
advantage. Metal codewheels are
the most versatile, with a tem-
perature rating up to 100°C,
resolution to 512 CPR (28 mm
diameter), as well as 2 and 3
channel outputs. Film codewheels
offer higher resolution (up to
1024 CPR on a 28 mm diameter)
with an operating temperature of
70°C. Glass codewheels combine
the best of film and metal, offer-
ing a temperature rating of 100°C
and resolutions to 1024 CPR on a
28 mm diameter.
In addition, each material offers a
specific reliability rating. It is
important to consider the specific
application operating environ-
ment, long term operating
conditions, and temperature
ranges when choosing a code-
wheel material.
Also See:
• HEDS-9000/HEDS-9100
Encoder Module Data Sheet
• HEDS-9000/9100/9200
Extended Resolution Encoder
Module Data Sheet
• HEDS-9040/9140 Three
Channel Encoder Module Data
Sheet
• HEDS-9700 Small Encoder
Module Data Sheet




Hewlett-Packard

HEDG-512X Datasheet Preview

HEDG-512X Datasheet

(HEDx-x1xX) Two and Three Channel Codewheels

No Preview Available !

2
Absolute Maximum
Ratings
It is important to consider the
environment in which the
codewheels will be used when
selecting a codewheel material. In
brief, metal codewheels are
rugged, but do not offer higher
resolution capabilities. Film
codewheels allow higher
resolution, but cannot endure the
same temperatures and high
humidity as metal. Glass
codewheels offer both high
temperature and higher
resolution, but are also more
expensive. Consider the following
rating table when choosing a
codewheel material.
Parameter
Storage
Temperature
Operating
Temperature
Humidity
Velocity
Shaft Axial Play
Shaft Eccentricity
Plus Radial Play
Acceleration
Symbol
TS
HEDS-XXXX
Metal Codewheels
-40°C to +100°C
TA -40°C to +100°C
30,000 RPM
± 0.25 mm
(± 0.010 in)
± 0.1 mm
(± 0.004 in) TIR
250,000 Rad/Sec2
HEDM-XXXX
Film Codewheels
-40°C to +70°C
HEDG-XXXX
Glass Codewheels
-40°C to +100°C
-40°C to +70°C
-40°C to +100°C
non condensing
30,000 RPM
± 0.175 mm
(± 0.007 in)
± 0.04 mm
(± 0.0015 in) TIR
250,000 Rad/Sec2
12,000 RPM
± 0.175 mm
(± 0.007 in)
± 0.04 mm
(± 0.0015 in) TIR
100,000 Rad/Sec2
Recommended Operating Conditions
Parameter
HEDS-XXXX
Metal Codewheels
Maximum Count Frequency
100 kHz
Shaft Perpendicularity
Plus Axial Play
± 0.25 mm
(± 0.010 in)
Shaft Eccentricity Plus
Radial Play
± 0.1 mm
(± 0.004 in) TIR
HEDM-XXXX
Film Codewheels
200 kHz*
± 0.175 mm
(± 0.007 in)
± 0.04 mm
(± 0.0015 in) TIR
HEDG-XXXX
Glass Codewheels
200 kHz
± 0.175 mm
(± 0.007 in)
± 0.04 mm
(± 0.0015 in) TIR
Note: Agilent Encoder Modules are guaranteed to 100 kHz, but can operate at higher frequencies. See Encoder Module Data Sheet for
specifications and output load recommendations.
*HEDM-6140 is guaranteed to 100 kHz with the HEDS-9040 #T00 module.


Part Number HEDG-512X
Description (HEDx-x1xX) Two and Three Channel Codewheels
Maker Hewlett-Packard
PDF Download

HEDG-512X Datasheet PDF






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