RLS AksIM-2 Redundant Off-Axis Absolute Encoder (two readheads)
AksIM-2 ring read by two electrically isolated readheads 180° apart, giving two independent position channels for joints that need functional-safety style redundancy.
Specifications
| Resolution | 19 bit (MB039) / 20 bit (MB053) |
|---|---|
| Accuracy | ±0.05° (system); ring accuracy grade ±0.1° |
| Max speed | 10,000 rpm (MB039) / 7,500 rpm (MB053) |
| Interface | BiSS-C; RS422 (two independent channels) |
| Form | off-axis ring kit: two readheads + one magnetic ring |
| Sensing | Hall (off-axis, axial reading) |
| Supply | 4.5 V to 5.5 V at connector |
| Bore / ring ID | 20 mm or 30 mm ring ID |
| Outer diameter | 39 mm or 53 mm ring OD |
| Operating temp | -40 °C to +105 °C (Pico-Clasp) / -40 °C to +85 °C (FFC) |
Who makes it
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
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Compliance
| HTS classification | 9031.80.80.85 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
Equivalents from other makers
Sources
- https://www.rls.si/eng/aksim-2-redundant-encoderspecs, images
- https://cdn.rls.si/documents/datasheets/MBD07_05_redundant.pdfdatasheet: resolution, speed, ring sizes, accuracy
Record confidence: VERIFIED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.