ASA Direct Drive Technology with absolute encoders for high-end applications.

New design based on 15 years of experience with Direct Drive mounts. Ready for the most demanding applications in pointing and tracking accuracy. Satellite tracking with optional software package. Load capacity of 100kg/220lbs on a polar wedge.

FROM € 23,500.- net

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ASA DDM100ASA Direct Drive Technology with absolute encoders for high-end applications.

Main Facts

Alt-Azimuth (separate addon) / Equatorial
Dual mounting (TWIN)
ASA Direct Drive
Latitude Range
0 to 90 degrees
Max. load capacity
100kg (220lbs)
Weight mount (without counterweight)
56kg (123lbs)
Power supply
Included 24 volts
ASA API (application programming interface) available autumn 2024 ASA Software(Autoslew, Sequence-windows based, ACC) with ASCOM-Alpaca
Max. slew speeds
Up to 50 degrees per second
Pointing Accuracy (20° to 85°)
<8” RMS with pointing model and ASA telescope
Tracking Accuracy (20° to 85°)
<0,25” RMS within 5 minutes tracking time over 5 min 0,05” RMS/min
System Natural Frequency
10 Hz or greater

Technical Details

01 Electronics

To achieve the excellent tracking and pointing performance ASA Direct Drive systems are equipped with high resolution up to 28bit (0.004 arcsec) encoders on each axis.

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02 Technology

Our mounts are manufactured with the lastest CNC technology.

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03 Software

Platform independent control software.

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04 Direct Drive

No gears NO belts. Precise closed loop control.

We developed our own direct drive controller and motor system. No gears or belts are needed, there is no transmission no periodic error or backlash.

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ASA In-house production

The competent partner that provides you with the whole package – ASA, guarantees the highest standard! Interferometric metrology, CNC machining, meter class optics, light weight mirrors, telescope systems, ground stations, assembly, factory testing and commissioning, everything is done by ASA itself.

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