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AR-300-2W-02
Direct-Drive Dual-Axis Satellite-Tracking Turntable
This turntable is a dual-axis (azimuth/elevation) direct-drive platform equipped with absolute encoders and locking mechanisms. It drives electro-optical payloads for programmed or real-time tracking of satellites and other space targets.
Features
- Dual-axis direct drive, TL-type gimbal configuration
- Azimuth range: ±358°, Pitch range: -5° ~ 95°
- Tracking speed: Azimuth ≥2°/s
- Absolute encoder with resolution of 3 arcseconds
- Load capacity: 30 kg, self-weight ≤80 kg
- Locking protection function for both axes
Applications
Suited for ground-based satellite communication applications. It serves as the tracking and pointing servo mechanism for quantum communication ground receiving stations, laser communication terminals and optical observation equipment.
Specifications
| Parameter Categories | Parameter Items | Parameter Value |
|---|---|---|
| Precision Performance | Angular Position Accuracy | ±3″ |
| Angular Position Repeatability | ±2″ | |
| Tracking / Pointing Accuracy | For space target single axis＜5″ (RMS); For stellar
target, error＜0.5″ within 10s, error＜1″ within 60min |
|
| Velocity Stability | ω≤1°/s: 2×10⁻³ (1° average)
1°/s≤ω＜10°/s: 2×10⁻⁴ (10° average) ω≥10°/s: 2×10⁻⁵ (360° average) |
|
| Dynamic Performance | Maximum Angular Velocity | Azimuth: ≥10°/s
Elevation: ≥4°/s |
| Maximum Angular Acceleration | Azimuth: ≥1°/s²
Elevation: ≥1°/s² |
|
| Motion Range | Azimuth / Elevation Motion Range | Azimuth: ±358°
Elevation: -5° ~ +95° |
| Mechanical Specifications | Load Capacity | 30 kg |
| Platform Diameter / Size | 300mm | |
| Environmental Protection | IP Rating | IP20 |
| Operating Temperature | 0℃ ~ +40℃ | |
| Power & Communication | Power Supply Requirement | DC 48V or AC 220V |
| Control Interface | Ethernet/UDP, RS422/RS232, plus azimuth/elevation encoder feedback interface |
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