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HEIDENHAIN’s Revolutionary Encoder Interface is Faster Than Ever

By Design World Staff | October 25, 2007

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(SCHAUMBURG, IL) — Although it no longer needs to prove itself, the EnDat 2.2 encoder interface from HEIDENHAIN sets the standard once again. This bidirectional EnDat 2.2 interface is now available with a clock frequency of 16 MHz for high-response applications with direct drives, especially those found in the electronics industry. The increase from 8 MHz to 16 MHz significantly reduces the access time to the position value, and makes shorter cycle times possible. This means that EnDat 2.2 is now the fastest purely serial interface for position encoders based on the RS 485 transmission characteristics.


endat16_1.gif


 


Interface electronics, with which the incremental encoder signals are made available to EnDat 2.2 as purely serial position information, are used in order to connect incremental encoders with 1- VPP interface to subsequent electronics compatible with EnDat 2.2.



The EnDat interface, as a fast, bidirectional, purely serial, and therefore fully digital interface for high-response drives, yields significant savings in connection technology for the entire system as well as a reduction of required installation space in the machine. Since the analog scanning signals are digitized and subdivided directly at the place of measurement, characteristics of servo motors such as positioning accuracy and speed stability can be further improved. Along with the automatic self-configuration of encoders and drives in automation systems, the transmission of additional information, such as temperature, to the subsequent electronics is possible without additional wires. The online diagnostics capability of the interface ensures the availability of machines and facilities, and simplifies maintenance.


www.heidenhain.com


: Design World :


Filed Under: Encoders (rotary) + resolvers

 

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