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 EncodersSpecificationsIt 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 |
Symbol |
HEDS-XXXX
Metal Codewheels |
HEDM-XXXX
Film Codewheels |
HEDG-XXXX
Glass Codewheels |
Storage
Temperature |
TS |
-40 to +100 |
-40 to +70 |
-40 to +100 |
Operating
Temperature |
TA |
-40 to +100 |
-40 to +70 |
-40 to +100 |
| Humidity |
|
|
non condensing |
|
| Velocity |
|
30,000 RPM |
30,000 RPM |
12,000 RPM |
| Shaft Axial Play |
|
± 0.25 mm
(± 0.010 in) |
± 0.175 mm
(± 0.007 in) |
± 0.175 mm
(± 0.007 in) |
Shaft Eccentricity
Plus Radial Play |
|
± 0.1 mm
(± 0.004 in) TIR |
± 0.04 mm
(± 0.0015 in) TIR |
± 0.04 mm
(± 0.0015 in) TIR |
| Acceleration |
|
250,000 Rad/Sec2 |
250,000 Rad/Sec2 |
100,000 Rad/Sec2 |
DescriptionAgilent 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 HEDS-9000, HEDS-9100, HEDS-9040, and HEDS-9140 series 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 HEDS-9000, HEDS-9100, HEDS-9040, and HEDS-9140 seriescodewheel materials offers a certain advantage. Metal codewheels are the most versatile, with a temperature rating up to 100,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. Glass codewheels combine the best of film and metal, offering a temperature rating of 100 and resolutions to 1024 CPR on a 28 mm diameter.
In addition, each HEDS-9000, HEDS-9100, HEDS-9040, and HEDS-9140 series material offers a specific reliability rating. It is important to consider the specific application operating environment, long term operating conditions, and temperature ranges when choosing a codewheel material.
HEDM-512X Data Sheet
