SM-45BL-C002¶

Specifications transcribed from the supplied documentation for this exact model and suffix.
Start your integration¶
| Your task | Start here | What to check |
|---|---|---|
| Write control software | Software integration | Interface, application layer, read-first bring-up and validation record |
| Design a bracket or joint | Mechanical integration | Drawings, CAD, datum, output shaft and cable clearance |
| Collect engineering files | Resources and status | Available files and outstanding information |
Key specifications¶
| Parameter | Specification |
|---|---|
| --- | --- |
| Input voltage | 24 V |
| Stall torque | 45 kg·cm@24V |
| No-load speed | 0.142 s/60°(70 RPM) |
| Travel / rotation | 360°(0~4095,CW) |
| Control interface | RS-485 |
| Family | SMS |
| Dimensions | 46.5 × 28.5 × 34 mm |
| Weight | 100 g |
| Gears | Steel gears(gear ratio 353:1) |
| Motor | Brushless motor |
| Communication | Modbus-RTU(RS-485 physical layer),ID 0–253,38400bps ~ 1Mbps |
| Document revision | A/0(Official page captured 2026-10-02) |
Modbus-RTU model
This exact model uses Modbus-RTU over RS-485. Obtain its own register table; SMS_STS addresses, units and control modes do not apply.
Selection note
Stall torque is a short-duration limit, not continuous operating torque. Confirm power, shared ground, interface and mechanical clearance before enabling torque.
Official model specifications¶
FEETECH official product page · Checked 2026-10-02. The complete model on the page is SM-45BL-C002.
| Parameter | Manufacturer specification |
|---|---|
| Model | SM-45BL-C002 |
| Storage Temperature Range | -30℃~80℃ |
| Operating Temperature Range | -20℃~80℃ |
| Size | A:46.5mm B:28.5mm C:34mm |
| Weight | 100g |
| Gear type | Steel Gear (Gear Ratio 353:1 ) |
| Limit angle | NO Limiter |
| Bearing | 2 Ball bearings |
| Horn gear spline | 25T (OD5.96mm) |
| Horn type | Aluminium |
| Case | Aluminium |
| Connector wire | 150mm ±5 mm |
| Motor | Brushless motor |
| Operating Voltage Range | 24V |
| No load speed | 0.142sec/ 60degree 70RPM |
| Runnig current(at no load) | 160 mA@24V |
| Peak stall torque | 45kg.cm@24V |
| Rated torque | 15kg.cm@24V |
| Stall current | 2300mA@24V |
| Rated Load | 15kg. cm≤ |
| Rated current | 900mm≤ |
| KM | 19kg. cm/A |
| Terminal resistance | 7Ω |
| Command signal | Bus Packet Communication RS485 |
| Protocol Type | Modbus-RTU |
| ID | 0-253 |
| Communication Speed | 38400bps ~ 1 Mbps |
| Running degree | 360° (when 0~4095)-CW |
| Feedback | Position,Speed,Voltage,Load,Temperature |
| Position Sensor Resolution | 12Bits Magnetic Coding(360° /4096) |
Attachment checks: Different model PDF: SM45BL-C001-串型规格书-20210111.pdf
Other files linked by the manufacturer (model applicability unconfirmed):

Resources and document status¶
Local attachments are included in the model package; PDF specifications link to the manufacturer and are not bundled offline. Missing resources are not yet supplied; family guides do not verify model-specific settings.
| Resource | Status / file | Revision |
|---|---|---|
| Model datasheet | Not supplied | — |
| Connector and pinout | Not supplied | — |
| Model memory table / firmware notes | Not supplied | — |
| 2D mounting drawing | drawing.webp | — |
| STEP / 3D model | Not supplied | — |
| Model-tested example | Not supplied | — |
| Raw test data | Not supplied | — |
| Test record and conditions | Not supplied | — |
Package manifest · Request missing resources
For an offline ZIP with both languages and available attachments, see product-package export.
Request resources or report an issue¶
Use your existing FEETECH technical-support contact and include the full label/model suffix, firmware version (if known), and the document revision you are using.
- Software: controller/OS, SDK version or commit, adapter/interface, supply voltage, confirmed ID/baud rate (bus models only), minimal reproduction and logs.
- Mechanics: drawing/CAD revision, marked dimensions, required travel, horn/bracket, load and lever arm, duty cycle, and the point of interference.
- Missing files: name the exact item in the resource table (for example, this model's STEP and a dimensioned mounting drawing).
This package currently provides a specification summary and integration checklists. File availability does not imply that your firmware, load case or assembly has been validated.