1 / 46

STAC6

STAC6. ASP PRESENTATION. STAC6 Family Overview STAC6/BLUAC/BLUDC match up STAC6/Si5580/PDO5580 match up “Under the hood” P7000 some +’s & -’s CONFIGURATOR Motor temperature rise. STAC6. HARDWARE. STAC6. APPLICATION. STAC6. SET UP SOFTWARE. STAC6. CONFIGURATOR.

mari
Download Presentation

STAC6

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. STAC6 ASP PRESENTATION • STAC6 Family • Overview • STAC6/BLUAC/BLUDC match up • STAC6/Si5580/PDO5580 match up • “Under the hood” • P7000 some +’s & -’s • CONFIGURATOR • Motor temperature rise

  2. STAC6 HARDWARE

  3. STAC6 APPLICATION

  4. STAC6 SET UP SOFTWARE

  5. STAC6 CONFIGURATOR

  6. OVERVIEW • The STAC6 is a compact 6 amp/phase step motor driver with a 167 vdc bus (no transformer) • It uses sophisticated software to “tame” inherent problems with open loop drives • Existing AMP application software ie; Si Programmer, SCL and Q are seamlessly integrated into the design • A brand new, non-legacy application named CONFIGURATOR simplifies set-up

  7. FEATURE COMPARISON • HOW DOES THE STAC6 COMPARE • Against BLUAC? • Against BLUDC? • Against PDO5580/ Si5580?

  8. STAC6 • Transformerless, light (2 lbs), small • 167vdc BUS • Excellent step motor tuning • 3 versions; S, Q, Si • Compatible with HUBS • Preconfigured motor files • Digital I/O; 7/3 or 15/7 • Analog ins; (2) 12 bit resolution,+/-10v • List $795, $895, $995

  9. BLUAC5 • Transformerless, light, small • 167vdc or 330 vdc Bus • Excellent servo tuning • 3 versions; S, Q, Si • Compatible with HUBS • Preconfigured motor files • Digital I/O; 7/3 or 15/7 • Analog ins; (2) 12 bit resolution,+/-10v • List $800,$1025,$1325

  10. BLUDC • Light, small • 24vdc or 48 vdc BUS • Excellent servo tuning • 3 versions; S, Q, Si • Compatible with HUBS • Preconfigured motor files • Digital I/O; 7/3 or 15/7 • Analog ins; (2) 12 bit resolution,+/-10v • List $535, $610, $680

  11. PDO5580/Si5580 • Stepdown transformer, heavy (8lbs), big • 80vdc BUS • No resonance suppression • 2 versions; PDO, Si • Compatible with HUBS • No preconfigured motor files • Digital I/O; 8/3 • Analog ins; (1) 0 to 5 volt • List $750 PDO $980 Si

  12. What the comparison shows • STAC6,BLUAC,BLUDC have identical flavors ie: S, Q, Si • STAC6,BLUAC,BLUDC have identical digital I/O’s • STAC6,BLUAC,BLUDC have identical analog inputs • STAC6,BLUAC,BLUDC have identical hub compatibility • RESULT: Choose the best primemover for the application, let the electronics selection follow

  13. STAC6 • Let’s go under the hood

  14. Under the hood • Low speed torque ripple reduction • 4th harmonic added to distort sine wave

  15. Torque ripple reduction

  16. Mid range resonance • Here comes the heavy artillery

  17. Under the hood • Mid range resonance solution • Dsp engine is running a model

  18. Mid range resonance • Mid range resonance occurs in the 4 to 15 rev/sec range • Occurs at speeds when the drive is not capable of supplying full current • Occurs in natural resonant bands • Half stepping or microstepping often help • Type of coupling is important • Some compliance was useful

  19. Mid range resonance • Amount of load inertia is a factor • Sloppy gear boxes/backlash are bad • Viscous damping often helps • Heavy grease in gearbox

  20. Mid range resonance • Mathematical analysis shows insufficient “damping” is the culprit • How do you add damping without a feedback device? • Answer: Create a “model” of the plant and let it run in the background. Compare actual currents and the model currents. Inject a small “correction” signal from the model to raise the damping in the actual.

  21. Mid range resonance • Model runs a plant that looks like a spring – mass combination. • Therefore we information about: • The peak torque of the motor (spring) • The total system inertia ie; Jr + Jl (mass) • Dsp engine then calculates the natural resonant frequency • Freq = sq. rt.{50Tmax/(Jr +Jl)} / 6.28

  22. Mid range resonance • Result: Choose a motor from our preconfigured list and you only have to enter the load inertia

  23. Mid range resonance • Use a non-listed motor and you have more info to enter!!!

  24. Mid range resonance

  25. Under the hood - Self Test • On power-up the drive verifies the resistance of the windings • On power up the drive verifies the inductance of the windings • The drive therefore needs this data • File motors- no problem • Non standard motors- You must enter

  26. Under the hood - VERIFY • AMP has offered position verification on 3540i – very successful • STAC6 offers more • Position verification • Stall detect • Set the error window (just like a servo with following error) • R&D project for “Stall prevention” • riding the Torque speed curve to lower speeds.

  27. Configurator

  28. Configurator

  29. We could have used Q.T.

  30. SiProgrammer set-up

  31. SiProgrammer set-up

  32. Configurator

  33. Select a motor

  34. Use our wiring diagram

  35. Select an Operating Mode

  36. Oscillator mode- many options

  37. Regen Clamp

  38. MOTOR HEATING • Step motors have Class B insulation • Class B means 130C winding temperature limit • Classical approach to determine current rating • Suspend motor in free air • Adjust the current for a 80C winding temp. rise in a 40C environment (allows for 10C hot spot) • No iron losses to contribute to temp. rise

  39. MOTOR HEATING • STAC6 approach (motor losses are copper and iron) • Assumed a motor mounting plate • 6” x 6” x .25” for NEMA 23 • 10” x 10” x .375” for NEMA 34 • Verify motor winding temp. remains at or below 130C in a 40C environment • NOTE: This can result in case temperatures up to 95C

  40. MOTOR HEATING • Techniques that mitigate the temperature rise • Idle current reduction (factory default is 90%) • Motor losses vary with speed • 10% reduction in running current causes a 21% reduction in temp rise.

  41. MOTOR HEATING • STAC 6 with Step Motors • Thermal aspects are important now • Motors in indexing applications with some rest time (idle current reduction on) will exhibit Si5580 type temperature rises • Motors in constant speed applications willrun hotter and need the mechanical mount to absorb some of the heat energy.

  42. STAC6

  43. STAC6 • NoTransf. light (2 lbs), small • 167vdc BUS • Excellent step motor tuning • 3 versions; S,Q,Si • Compatible with HUBS • Preconfigured motor files • Digital I/O; 7/3 or 15/7 • Analog ins; (2) 12 bit resolution • List $795, $895, $995

  44. PDO5580/Si5580 • Transformer, heavy (8lbs), big • 80vdc BUS • No reasonance suppression • 2 versions; PDO, Si • Compatible with HUBS • No preconfigured motor files • Digital I/O; 8/3 • Analog ins; (1) 0 to 5 volt • List $750 PDO $980 Si

  45. BLUDC • Light, small • 24vdc or 48 vdc BUS • Excellent servo tuning • 3 versions; S, Q, Si • Compatible with HUBS • Preconfigured motor files • Digital I/O; 7/3 or 15/7 • Analog ins; (2) 12 bit resolution • List $535, $610, $680

  46. BLUAC5 • Transformerless,light,small • 167vdc or 330 vdc Bus • Excellent servo tuning • 3 versions; S,Q,Si • Compatible with HUBS • Preconfigured motor files • Digital I/O; 7/3 or 15/7 • Analog ins; (2) 12 bit resolution • List $800,$1025,$1325

More Related