# RLS AksIM-4 HIPERFACE DSL Off-Axis Absolute Encoder (53 / 80 mm ring)

![RLS AksIM-4 HIPERFACE DSL Off-Axis Absolute Encoder (53 / 80 mm ring)](https://parts.trymaglev.com/img/ac-rls-aksim-4-hdsl.webp)

AksIM-4 ring encoder speaking HIPERFACE DSL, so it plugs into one-cable servo drives (SICK DSL drives) without a separate encoder cable; for hollow joint outputs on industrial-drive stacks.

- Maglev ID: ac-rls-aksim-4-hdsl
- Brand: RLS
- MPN: AksIM-4 HDSL (MC053 / MC080 readhead + MRA ring; 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: 20 bit; optional 16 bit multiturn counter (powered counting)
- Accuracy: system accuracy ±0.008° (MC053) / ±0.007° (MC080) with self-calibration; typ. installed ±0.013° / ±0.012°
- Max speed: 7,500 rpm (MRA053) / 4,700 rpm (MRA080)
- Interface: HIPERFACE DSL
- Form: off-axis ring kit: readhead + axially magnetised hollow ring
- Sensing: Hall (off-axis, axial reading)
- Supply: 7 V to 12 V at connector (typ. 85 mA at 12 V)
- Bore / ring ID: unknown (ring OD 53 or 80 mm; ID per MRA ring code)
- Outer diameter: 53 mm or 80 mm ring OD
- Multiturn: optional 16-bit counter, counts only while powered
- Operating temp: -40 °C to +105 °C

## Links
- Product: https://www.rls.si/eng/aksim-hdsl-rotary-absolute-magnetic-encoder
- Datasheet: https://cdn.rls.si/documents/datasheets/MCD05.pdf
- CAD: none

## Equivalents
- RLS AksIM-2 Off-Axis Absolute Rotary Encoder (ac-rls-aksim-2)

## Sources
- https://www.rls.si/eng/aksim-hdsl-rotary-absolute-magnetic-encoder (specs, image)
- https://cdn.rls.si/documents/datasheets/MCD05.pdf (datasheet: accuracy, speed, multiturn)