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Interface module handles high-performance controllers

Posted: 09 Jan 2009 ?? ?Print Version ?Bookmark and Share

Keywords:motion controller? interface module? encoder?

HSSI-HES

ACS Motion Control has developed a new peripheral module for their SPiiPlus and MC4U family of high performance motion controllers. Designated HSSI-HES, the device gives ACS motion controllers even greater flexibility by offering the user two solutions for absolute position feedback.

The HSSI-HES supports EnDat v2.2 and Tamagawa Smart-Abs absolute encoders. Each module is capable of handling one or two feedback devices of either kind. Connection from the HSSI-HES to the controller is done via the SPiiPlus' high speed serial interface (HSSI) using industry standard Cat5 cabling allowing the device to be remotely mounted up to 20m from the controller. After the initial configuration the remote nature of the device is transparent to the user.

In addition, the HSSI-HES features encoder error protection to ensure true position feedback, as well as a 20KHz sampling rate synchronized with the servo cycle. The HSSI-HES supports index detection and latching of encoder position. The HSSI-HES also provides power-up module identification and position detection.

"The HSSI-HES High Speed Serial Interface facilitates expansion of digital I/O, absolute encoder interface and provides a cost effective way of implementing a distributed system," said Evan Reed, ACS VP.





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