DRIACS-G2...Tracking the moon and celstial bodies without ... - NTMS

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The DRIACS-G2Encoders, the MAB25• The DRIACS-G2 works with the US Digital A2-S-S or with theMEGATRON MAB25 Absolute encoders.• Experiences show that the MAB25 encoder is a serious optioncapable to run up to 0.1deg resolution (12bit)• The mechanical installation of a MAB25 encoder demands moreprecision than a A2-S-S, otherwise additional +/- 0.2 deg error isadded. (axial mov.). Better MAB28 with 2 ball bearings• The DRIACS-G2 selects via software resolutions with 10, 11 and12bits (0.5, 0.2 and 0.1 deg) with the MAB25• MAB25 encoder costs aprox: 60.00 USD• US digital A2-S-S costs aprox: 250.00 USD14th EME Conference Dallas August 201013/08/2010 18Alex Artieda, HB9DRI
The DRIACS-G2Encoders, interconnection• via a network cable CAT5• Simple plug in a network cable in to the interface andthe other side into the splitter board.• Encoders are connected to the splitter board as shortas possible.• Quality of the CAT5 cable is critical, certain badcables show erratic lectures with only 7 meter, goodcables work up to 80 meters.14th EME Conference Dallas August 201013/08/2010 19Alex Artieda, HB9DRI
Page 4: Tracking the MoonDilemma: PC or not
Page 7 and 8: The DRIACS-G2• HW and SW designed
Page 9 and 10: The DRIACS-G2• Characteristics•
Page 11 and 12: The DRIACS-G2• CPU Atmel AT89C51E
Page 13 and 14: The DRIACS-G2• The Controller boa
Page 15 and 16: The DRIACS-G2• The Interface boar
Page 17: The DRIACS-G2Encoders• The DRIACS
Page 21 and 22: The DRIACS-G3 (protoype)• 2 new o
Page 23 and 24: The DRIACS-G3 (protoype)Automatic F
Page 25: 14th EME Conference Dallas August 2

DRIACS-G2...Tracking the moon and celstial bodies without ... - NTMS

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