# RLS RMB20 Rotary Magnetic Encoder Module (20 mm PCB)

![RLS RMB20 Rotary Magnetic Encoder Module (20 mm PCB)](https://parts.trymaglev.com/img/ac-rls-rmb20.webp)

Ø20 mm board-level on-axis encoder module with a matching magnet, many output formats; the drop-in motor-end encoder board for small joint motors.

- Maglev ID: ac-rls-rmb20
- Brand: RLS
- MPN: RMB20 (configured)
- Category: actuators / Magnetic Encoders
- Origin: SI (maker HQ, factory not confirmed)
- Maker: RLS merilna tehnika d.o.o. (Renishaw associate) (brand, SI)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 9031.80.80.85 (typical)
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

## Price
- No public price. Request a quote via POST /api/rfq or the order pad.

## Specifications
- Resolution: up to 13 bit absolute (8,192 counts/rev)
- Accuracy: up to ±0.5°
- Max speed: 30,000 rpm (datasheet table); product page states 60,000 rpm
- Interface: Analogue sin/cos; binary parallel; incremental; linear voltage; RS422; SSI
- Form: on-axis module: Ø20 mm circular PCB + magnet
- Sensing: Hall (on-axis)
- Supply: 5 V ±5 % (35 mA max)
- Bore / ring ID: n/a
- Outer diameter: Ø20 mm
- Operating temp: -40 °C to +125 °C

## Links
- Product: https://www.rls.si/eng/rmb20-10
- Datasheet: https://cdn.rls.si/documents/datasheets/RMB20D01_19.pdf
- CAD: none

## Equivalents
- RLS OnAxis RTB20 High-Resolution TMR Encoder Board (20 mm) (ac-rls-rtb20)
- RLS RM22 Rotary Magnetic Modular Encoder (22 mm) (ac-rls-rm22)

## Sources
- https://www.rls.si/eng/rmb20-10 (specs, image, datasheet link)
- https://cdn.rls.si/documents/datasheets/RMB20D01_19.pdf (datasheet: typ. ±0.5°, 30,000 rpm)