XY Motion System
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This page explains how Encoder / Linear Scale is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
Precision measurement device for detecting linear position and motion in XY motion systems
Technical details and manufacturing context for Encoder / Linear Scale
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Measuring Length | 50–3000 mm | Custom lengths available up to 30 m for special applications |
| Resolution | 0.1–5 µm | Higher resolution for precision positioning |
| Accuracy Grade | ±3–±10 µm | Per meter; better grades for high-end machinesISO 230-2 |
| Repeatability | ±0.1–±1 µm | Critical for consistent positioning |
| Maximum Traverse Speed | 60–180 m/min | Higher speeds may require higher scanning frequency |
| Output Signal | TTL, HTL, 1Vpp, SSI, BISS-C | Choose interface compatible with controller |
| Supply Voltage | 5 V DC ±5% or 24 V DC ±20% | Ensure stable power for accurate readings |
| Operating Temperature | 0–50 °C | Extended range -10 to 70°C optional |
| Protection Class | IP54–IP67 | Higher IP for harsh environmentsIEC 60529 |
| Thermal Drift Coefficient | ≤ 10 µm/(m·K) | For glass scales; steel scales have higher drift |
| Reference Mark | Single or distance-coded | Distance-coded for fast homing |
| Weight | 0.5–5 kg | Depends on length and material |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
Commonly used trade names and technical identifiers for Encoder / Linear Scale.
This component is essential for the following industrial systems and equipment:
| pressure: | Atmospheric to 1.5 bar absolute (sealed units), non-pressurized applications |
| other spec: | Vibration: ≤20 m/s² (5-2000 Hz), Shock: ≤100 m/s² (11 ms duration), IP67 rating for dust/water ingress protection |
| temperature: | 0°C to +50°C |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
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Optical encoders use a light source and a photodetector to read a glass or steel scale with fine lines. They offer high resolution and accuracy but are sensitive to contamination. Magnetic encoders use a magnetic scale and a sensor that detects magnetic field changes; they are more robust against dirt and oil but may have lower resolution. Inductive encoders use coils and a scale with conductive patterns; they are also robust and can achieve high accuracy. The choice depends on the application environment and required precision.
Measuring length should cover the full travel of the axis, with some margin. Resolution depends on the required positioning accuracy; higher resolution (smaller values) allows finer positioning but may require a higher scanning frequency and more expensive electronics. Consider the controller's ability to handle the output signal and the mechanical stiffness of the system.
Common output signals include TTL, HTL, 1Vpp, SSI, and BISS-C. TTL and HTL are digital square-wave signals; 1Vpp is analog sinusoidal; SSI and BISS-C are serial digital interfaces. The choice depends on the controller's input compatibility and the required resolution and speed. For high-speed or high-resolution applications, serial interfaces like SSI or BISS-C are often preferred.
Regularly inspect the scale and read head for contamination, such as dust, oil, or chips, and clean as recommended by the manufacturer. Check the mounting and alignment to ensure the read head is parallel to the scale and at the correct gap. Verify that the cable and connectors are secure and not damaged. Periodically test the output signals and compare readings with a known reference to detect drift or degradation.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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