SAR-MLD43A
Hollow-Shaft type Absolute Encoder
Single-turn absolute encoder with large inner diameter hollow-shaft construction
Provides up to 24 bit high resolution with 25 arcsecond cumulative accuracy (using error correction function). Ideal for use with high-precision direct drive motors.
Features
1. Large inner diameter shape
External diameter: ⌀81.5 mm, hollow shaft inner diameter: ⌀38 mm
2. High resolution
Max. 24 bit
3. High accuracy
Cumulative accuracy of 25 arcseconds (with cumulative error function)
Specifications
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| Model | SAR-MLD43A | |
|---|---|---|
| Resolution | Single-turn | Max. 24 bit (16,777,216 positions/rev.) |
| Multi-turn signal | － | |
| Responsive revolution speed | With mains power | 2,000 min-1 |
| With backup battery | － | |
| Power source voltage | With mains power | 5 V DC (±10%) |
| With backup battery | － | |
| Current used | During normal operations | 150 mA (TYP) |
| Using external battery | － | |
| Operating temperature range | 0 to +50°C | |
| Moment of inertia for shaft | 1.98 × 10-5 kg·m2 | |
| Allowed rotational angular velocity | 1.0 × 105 rad/sec2 | |
| Communication protocol | A-format® | |
| Transmission standard | EIA standard RS-485 compliant | |
| Transmission method | NRZ half-duplex serial communications | |
| Baud rate | 2.5 Mbps | |
| Number of signal wires | 4 | |
| Memory access development space | － | |
| Temperature sensor | Supported | |
| Bus connectivity | Supported | |
| Bus connectivity options | Encoders can be connected for up to 8 axes. | |
| Dimensions | External diameter (⌀) | 81.5 mm |
| Height | 9.9 mm (TYP) | |
Dimensional Drawings
