DRIACS-G2...Tracking the moon and celstial bodies without ... - NTMS
DRIACS-G2...Tracking the moon and celstial bodies without ... - NTMS DRIACS-G2...Tracking the moon and celstial bodies without ... - NTMS
The DRIACS-G2• The splitter diagram and boardA2-S-S connectionSplitterEncoderMAB25 connectionSplitter+5V VDD2(6) CS0(4) CLKEncoder1(5) DATA0(4) 6: DATA- (blue)GNDGND14th EME Conference Dallas August 201013/08/2010 16Alex Artieda, HB9DRI470R1(5) 5: DATA+ (yellow)At the splitter the pin numbers 0,1,2for Az+12V and 4,5,6 (in brackets) 4: +DC (white) for Elare connected via the LAN cable and theswitching2k2transistors to3:P1.0,..,P1.6BUSY- (brown)ofthe 20pin2k2connector.2: BUSY+ (green)GND 1: GND (red)
The DRIACS-G2Encoders• The DRIACS-G2 works with Incremental and Absolute encoders.However, we don‘t recommend incremental encoders.- Incremental encoders: The current position is calculated byincrementing/decrementing a counter, whenever the system ´forgets´ apulse (too fast movement, not perfect tracks...) or the power supply isswitched off, the position indication is wrong from that moment on.- Absolute encoders: Each position is assigned to an unique bitcombination. Therefore the correct position is indicatedimmediately after switching on the power supply and is not lost if youswitch it off. Most popular encoders use the Serial SynchronousInterface (SSI), such as the MAB25 and US digital A2-S-S encoders.14th EME Conference Dallas August 201013/08/2010 17Alex 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: The DRIACS-G2• The Interface boar
- Page 19 and 20: The DRIACS-G2Encoders, interconnect
- 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
The <strong>DRIACS</strong>-G2• The splitter diagram <strong>and</strong> boardA2-S-S connectionSplitterEncoderMAB25 connectionSplitter+5V VDD2(6) CS0(4) CLKEncoder1(5) DATA0(4) 6: DATA- (blue)GNDGND14th EME Conference Dallas August 201013/08/2010 16Alex Artieda, HB9DRI470R1(5) 5: DATA+ (yellow)At <strong>the</strong> splitter <strong>the</strong> pin numbers 0,1,2for Az+12V <strong>and</strong> 4,5,6 (in brackets) 4: +DC (white) for Elare connected via <strong>the</strong> LAN cable <strong>and</strong> <strong>the</strong>switching2k2transistors to3:P1.0,..,P1.6BUSY- (brown)of<strong>the</strong> 20pin2k2connector.2: BUSY+ (green)GND 1: GND (red)
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