Planewave L-500 Direct Drive Mount
 
 
 
Product Futures
- Load capacity of 200 lbs (91 kg)
- Direct-drive motors on each axis for smooth, fast, and virtually silent
  movement of the telescope
- Slew speeds up to 50 degrees per second
- High resolution encoders on each axis for precise positioning
- Zero backlash
- Zero periodic error
- PointXP mount modeling software
- Enclosed electronics
- Through the mount cabling
- Alt/Az, or equatorial installation orientation
 
Combines versatility, simplicity and affordability by combining all the technology of our observatory class telescopes into a compact stand-alone mount. In its Alt/Az configuration it is considerably more compact than its equatorial counterpart, allowing a larger telescope to fit in a smaller enclosure. Unlike traditional German Equatorial mounts, there are no meridian flips to deal with, and no large protruding counterweights to create a dangerous hazard in a public observatory. Alt/Az is more intuitive to use and no polar alignment is needed. Besides, it is the way the pros do it! For added flexibility, the L-Series mounts can be installed in either Alt/Az, or equatorial mode with the optional wedge accessory.
 
Direct drive motors and encoders
Direct Drive motors and on-axis encoders eliminate the need for gears, thereby eliminating backlash and periodic error. With high-resolution
encoders providing the feedback for the direct drive motors, not only will the telescope track without periodic error and backlash, the mount will
also counter wind gusts with precise servo feedback.
 
Incredible Slew Speed
The direct drive motors can move the telescope at speeds up to 50 degrees per second for tracking satellites or just to minimize target acquisition time.
 
Dual mounting bracket
PlaneWave style mounting bracket to hold CDK17/20 onto inside of fork arm with additional option of mounting a scope on the outside of the fork arm. Optional dovetail clamp required.
 
Direct drive motors - encoders 
Cable mount
Azimut balance 
 
Slew Speed to 50 degrees per second
 
Dual Mounting Bracket 
 
Azimuth dovetail balance system 
For precise center of gravity balance whether in Alt-Az or Equatorial configuration 
 
Through the mount cabling 
Access panels in the fork arm and azimuth axis allow for camera equipment cabling through the inside of the mount. 
 
Mounting System specification
Type Alt-Azimuth / Equatorial Direct Drive Mount
Weight 257 lbs (100 kg)
Component Weights Azimuth Base – 121 lbs, Fork Arm – 136 lbs
Max. Load Capacity 200 lbs (91 kg)
Latitude Range 0 to 90 degrees, Northern and Southern hemispheres
Cable Management Equipment cables can be wired through mount
Swing-Through Length (From Altitude Axis) 25.62″
 
Control System
Control Electronics PlaneWave Interface dual axis telescope control
User Interface PlaneWave Interface 4 (PWI4) Control Software with integrated PointXP mount modeling software
Homing Sensors Home position sensors are included allowing the mount can find its home position on power up.
Slew Rate 20 degrees per second (standard); 50 degrees per second (maximum), both axes
Power Requirement Accepts 120 to 240 VAC. Supplied with 120 VAC 15A IEC Type B Regulated Power Adapter.
 
Motion Control
Motor Control Industrial grade brushless motor control system and built in electronics
Motor – Azimuth and Altitude Direct Drive 3 Phase Axial-Flux Torque Motors
Encoder – Azimuth and Altitude 152mm stainless steel encoder ring with reader built into the azimuth and altitude axes. 18,880,000 counts per revolution (0.069 arcsecond resolution).
Motor Torque Approximately 20 ft-lbs continuous; 50 ft-lbs peak
Drive Electronics Industrial grade, off-the-shelf brushless motor drives for each axis with custom designed interface card
Telescope Control Software PlaneWave Interface (PWI4). Incorporates PointXP mount modeling software by Dave Rowe. Provides HTTP and ASCOM control interfaces. MaxIm DL is required for camera control when building a pointing model within our PWI4 software.
 
System Performance
Pointing Accuracy <10 arcsecond RMS with PointXP Model
Pointing Precision

2 arcseconds at sidereal velocity

Tracking Accuracy

< 0.3 arcseconds over a 5 minute period at sidereal velocity

System Natural Frequency 10 Hz or greater
 
  Ordercode: L500   Price on request
 
 
 
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