Advanced Motion Controls DX15CO8 Digital Servo Amplifier

The Advanced Motion Controls DX15CO8 is a digital servo amplifier engineered for precision motion control across industrial automation, robotics, and demanding multi-axis applications. It delivers closed-loop control of brushed DC and brushless AC servo motors in torque, velocity, or position modes, with support for nine feedback technologies and multiple command sources including CAN networking.

Technical Specifications

• Motor types: Brushed DC, Brushless AC servo motors


• Operating modes: Torque, velocity, position


• Interpolated position mode: Cubic interpolation for multi-axis control via CAN


• Homing routine: Home switch input and/or encoder index pulse Power Stage (DX15CO8, DX15CO8-SRC)


• DC supply voltage: 24–75 VDC


• Peak current: 15 A (heatsink temperature <50°C)


• Maximum continuous current: 8 A


• Minimum load inductance: 250 µH


• Four-quadrant regenerative operation supported Logic Supply


• Logic voltage: 7.5 to 13 VDC


• Logic current: 150 mA maximum


• Input power: 10 W maximum

Key Features Feedback & Sensing Dual encoder input, auxiliary encoder input, Hall sensors, tachometer, incremental encoder, absolute encoder (EnDat®, Hiperface®, BiSS® C-Mode), resolver, and 1 Vp-p Sin/Cos encoder support enable flexible sensor integration. Command Sources Internal generation, external analog input (±10 V), auxiliary encoder, preset index table, and CANopen command inputs provide multiple motion instruction methods. Parameter Management All drive and motor parameters are stored in non-volatile memory for persistent configuration across power cycles. Protection Comprehensive built-in safeguards include over-voltage, under-voltage, over-current, over-temperature with pre-warning, and phase-to-phase/phase-to-ground short-circuit protection.

Interfaces & I/O Communication

• CANopen (DS301, DSP-402) with isolated CAN bus interface


• DIP-switch configurable CAN address and bit rate selection


• Windows-based DigiFlex® DriveWare setup software Digital I/O


• 7 programmable isolated digital inputs (sinking; sourcing optional via -SRC variant)


• 8 programmable isolated digital outputs (sinking)


• Dedicated isolated limit and home switch inputs Analog I/O


• 3 programmable analog inputs (12-bit resolution)


• 1 programmable analog output (10-bit resolution)


• Monitored signals: Current, velocity, fault status

Compatibility & Integration The DX15CO8 integrates into CANopen networks for distributed motion control. Dual-loop feedback architecture supports complex servo dynamics. Wide supply voltage tolerance (24–75 VDC) suits diverse industrial power distributions.