Models with a published protocol
Twenty-two models have a published UART protocol and a page here: 13 in family A and 9 in family B. Every number on these pages comes from the ERDI datasheet for that model. The other models are listed on Models with protocol on request.
:::tip Which family?
Family A modules answer 8-byte 55 AA commands at 115200 baud (you poll them). Family B modules stream 5C frames at 460800 baud on their own. The unit of the distance field depends on the model, not the family: see Units and out-of-range.
:::
Family A (55 AA, polled)
| Model | Baud | Frame (bytes) | Wire unit | Range |
|---|---|---|---|---|
| LR1000E2 | 115200 | 8 | m | 4–1,000 m |
| LR1000E4 | 115200 | 8 | m | see specification |
| LR1200E2 | 115200 | 8 | m | 4–1,200 m |
| LR1200E4 | 115200 | 8 | m | see specification |
| LRF1200A1 | 115200 | 8 | m | see specification |
| SPD1200N0 | 115200 | 8 | m | 0.2–1,200 m |
| SPD1200N2 | 115200 | 8 | m | 0.2–1,200 m |
| SPD1200N4 | 115200 | 8 | m | see specification |
| LR1500E2 | 115200 | 8 | m | 4–1,500 m |
| LR1500E4 | 115200 | 8 | m | see specification |
| LR2000E2 | 115200 | 8 | m | 4–2,000 m |
| LR2000E4 | 115200 | 8 | m | 4–2,000 m |
| LRF3000A1 | 115200 | 8 | m | see specification |
Family B (5C, streaming)
| Model | Baud | Frame (bytes) | Wire unit | Range |
|---|---|---|---|---|
| LRF10VB | 460800 | 4 | mm | 0.05–9 m (90% refl.) · 0.05–5 m |
| LRF22VB | 460800 | 4 | mm | 0.05–20 m (90% refl.) · 0.05–10 m |
| LRF50VB | 460800 | 4 | mm | 0.05–50 m (90% refl.) · 0.05–20 m |
| LRF50H | 460800 | 4 | cm | 0.05–50 m (90% refl.) · 0.05–15 m |
| LRF100H | 460800 | 4 | cm | 0.05–100 m (90% refl.) · 0.05–30 m |
| LRF200H | 460800 | 4 | cm | 0.05–200 m (90% refl.) · 0.05–70 m |
| LRF300H | 460800 | 4 | cm | 0.05–300 m (90% refl.) · 0.05–100 m |
| LRF600H | 460800 | 4 | cm | 0.05–600 m (90% refl.) · 0.05–200 m |
| LRF1500H | 460800 | 5 | cm | 0.05–1,500 m (90% refl.) · 0.05–300 m |
Wire unit for family A is metres multiplied by 10; the table shows the unit of the physical value (m).