March 3, 2009 -
Using magnetic coupling technology, NorthStar HDN and HDP Series eliminate encoder shafts, bearings, and seals. Target magnet, in form of bolt or collar, can be affixed to rotating shaft or equipment that requires position or speed sensing. Electronics are completely sealed and encapsulated in clear potting compound, which allows visibility of status LEDs that monitor signal output. Available in incremental or absolute output format, encoders are suited for very dirty environments.
Gurnee, IL - February 16th, 2009--Dynapar announces the introduction of the NorthStar HDN and HDP series of shaft-less encoders. The new encoders feature true non-contact sensing technology that eliminates encoder shafts, bearings, and seals. As a result, the encoder is highly reliable, compact, completely sealed, and easy to integrate into existing applications.
Coupling with "Air"
Unlike traditional encoders that require some form of shaft and bearing assembly, the NorthStar HDN and HDP encoders use magnetic coupling technology to eliminate the need for these components. The encoders are supplied with a "target" magnet in the form of a bolt or collar which can be affixed to the rotating shaft or equipment that requires position or speed sensing. In application, the target magnet need only be placed in relatively close proximity to the encoder, meaning a wide sensing envelope is possible. This allows for virtually maintenance-free operation, eliminating alignment issues that can cause coupling breakage, bearing damage, and seal wear.
Completely Sealed
Since there's no shaft protruding from the encoder, there's no seal. Elimination of this potential ingress point is a welcome benefit especially when dealing with washdown or very dirty environments. In addition, the electronics are completely sealed and encapsulated in a clear potting compound which allows visibility of status LED's that monitor signal output. The encoder is rated for up to IP68 environmental protection depending upon the connector chosen.
Incremental or Absolute Output
Unlike many competitive encoders, the NorthStar HDN and HDP encoders are available in either incremental or absolute output format. Absolute single-turn resolution of 13 bits is standard on the HDN58, with a choice between analog 0-5VDC output or CAN Bus interface. Standard incremental quadrature output with or without complements is available up to 2048PPR depending upon model.
Price and Availability
The HDN58, HDP30, and HDP18 encoders are built to order and immediately available for the general market. List pricing starts at $545 for the HDN series and $595 for the HDP which features the form factor of a proximity sensor. For custom OEM applications and volume pricing, contact a Dynapar representative at 800-873-8731.
About Dynapar
Dynapar is a world-leading manufacturer of optical and magnetic encoders and resolvers with more than 50 years of experience in engineering and manufacturing. Dynapar was founded in Gurnee, Illinois in 1955 and has been expanded through the acquisitions to include Dynapar(TM) Hengstler(TM), Acuro(TM), NorthStar(TM), Harowe(TM), and Encoder Technology LLC brand product lines. Dynapar is now uniquely a provider of technologies spanning optical, magnetic, and resolver based feedback.
Pioneering the first true vector-duty hollow-shaft encoder launched Dynapar's strong presence in several industries, including steel, paper, elevator, oil and gas, wind energy, medical, material handling, and industrial motor manufacturing. From small kit encoders to large mill-duty tachometers, Dynapar has the industry covered.
Dynapar customers rely on expertise and support provided from the U.S. sales and manufacturing location in Gurnee, Illinois: Phone +1 800.873.8731 or +1 847.662.2666; FAX +1 847.662.6633; Website: www.dynapar.com. In addition, Dynapar supports global customers with local sales and production locations in Germany, Japan, China, and Brazil. Company Information: Name: Dynapar Address: 1675 Delany Rd. City: Gurnee State: IL ZIP: 60031 Country: USA Phone: 847-662-2666 FAX: 847-782-5277 http://www.dynapar.com
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