RoLin ™ Magnetic Linear Sensor
- Production:
- Renishaw plc (Graet Britain)
- RoLin™
RoLin™ is a compact, open-frame non-contact magnetic encoder that is installed in a customized enclosure. This encoder is designed for integration into motion control systems.
The multicomponent encoder system RoLin™ consists of a reading head RLM and a magnetic self-adhesive MS scale.
The reading head RLM in the design version has three versions: with contacts (8-pin), with a flexible cable and with an RS422 FPC output.
The movement is monitored by means of a scale with a magnetization period of 2 mm.
The use of differential magnetoresistive sensors in the RLM reading head of the RoLin™ encoder ensures high repeatability of measurement positions with wide tolerances for installation and for operation over a wide temperature range.
The internal electronic unit of the reading head provides high interpolation speed (up to 13 bits) and fault monitoring. Incremental outputs ensure the repeatability of the selected minimum signal splitting boundary time (from 0.12 μs).
The position information outputs in incremental quadrature format using the option - built-in periodic reference mark (at each pole) or installed magnetized reference mark.
A wide range of resolutions is available: 0.244 μm, 0.488 μm, 1 μm, 2 μm, 5 μm, 10 μm, 50 μm, 125 μm.
The maximum speed of movement depends on the selected resolution and on the minimum boundary separation time, up to 4 m / s - with a resolution of 1 μm and up to 40 m / s - at a resolution of 10 μm.
Specifications:
| Self-diagnosis function | yes |
| Measuring range, m: | up to 50 |
| Resolution at digital outputs, μm: | 0,244; 0,488; 1; 2; 5; 10; 50; 125 (Other resolutions are also available) |
| Period of scale, mm: | 2 |
| Max speed, m/s: | 1,01 (with resolution 0,244 μm) |
| Clearance between reading head and magnetic scale, mm: |
from 0,1 to 0,8 |
| Repeatability (during movement in one direction), μm: |
up to 2 |
| Hysteresis, μm: | up to 3 (at clearance height up to 0.2 mm) |
| Accuracy class for the MS scale, μm / m: | ± 40 |
| System accuracy at 20 ° C, μm: | ± 3,5 |
| Supply voltage, V: | from 4,75 to 5,5 (reverse polarity protection) |
| Current consumption (without load), mA: | – up to 25 (without linear drive) - up to 30 (with linear drive) |
| Output signals: | – digital – TTL-level (A, B, Z) – digital – RS422 (A+, B+, Z+, A-, B-, Z-) – digital – SSI – digital – BiSS |
| Reaing head housing material: | zinc-aluminum-copper alloy (ZnAl4Cu1 – zamak 5) |
| Cable: | flexible, length from 75 to 136 mm. |
| Mass, g: | – RLM reading head (without flexible ribbon) - 1,4 - RLM reading head (with flexible ribbon) - 1,6 V - magnetic scale (MS05) - 30 g / m |
| Temperature, ° Ñ: | – process: fom – 20 to + 85 – storage: from – 40 to + 85 |
| Degree of protection: | IP68 |
| Vibration resistance (from 55 Hz to 2000 Hz), m / s 2: |
300 (IEC 60068-2-6) |
| Shock resistance (11 ms), m / s 2: | 300 (IEC 60068-2-27) |
See also:
Downloads:
Description and technical specifications
- Non-contact position encoders guide (EN) (pdf, 10`420 Êá)
