The ODrive S1 brings the next generation ODrive ecosystem to every robot, with:

• Locking connector for easy wire harness design and assembly

• On-board brake chopper manages brake energy using a brake resistor.

• Dual absolute encoder support allows for precise load positioning and instant cold starts

• Shares software architecture with ODrive Pro, including Web GUI support

• Customization, integration and licencing available

Features & Specs

• Single-axis (controls 1 motor)

• High performance servo control of BLDC and PMAC motors

• Torque, velocity, position, and trajectory control modes

• Sensorless speed control

• 12-48V Operation (50.5V max)

• 40A Continuous (with heat spreader, recommended)

• Control over USB, UART (Isolated), STEP/DIR (Isolated), Analog Voltage, PWM, and CAN

Electrical Features

• On-board brake resistor chopper

• Built-in motor thermistor divider circuit

• CAN 2.0B @ 1Mbps Control (CAN-FD Firmware Coming Soon)

• On-board magnetic encoder: MA702

  • High quality encoder magnet available here. Recommended gap to top of package: 1mm

• Supports offboard quadrature, hall, SPI, and RS485 encoders

• Incremental encoders and hall sensors have on-board input filters

• Isolated Step/Direction and UART Controls

• Large IO connector with a diverse and flexible feature set.

Mechanical Specifications

• Mass - 35g (no screw terminal) | 55g (screw terminals present)

• Board Perimeter - 66mm x 50mm

• Single locking connector for IO & Feedback

Controls Specifications

• 24kHz PWM frequency

• 8kHz control loop frequency (24kHz current control loop coming soon)

• 700Hz max recommended electrical frequency (2000Hz support coming soon)