Product Description:

The ADP-090-09 is a DC-bus servo amplifier produced by Copley Controls for the Accelnet CANopen Modules series. It links to CANopen motion controllers and modulates phase current for brushless or stepper axes, enabling torque, velocity, or position control in automated equipment. Power stages, feedback decoding, and network communication are combined in a card-style housing, which helps reduce wiring complexity in machine tools, robotics, and material-handling cells. The format is also well suited to distributed multi-axis installations where compact control hardware must fit into limited panel space.

During continuous operation the drive supplies 3 Adc, corresponding to a continuous output power of 0.27 kW, so heat rise remains controlled under rated loading. For brief acceleration bursts, it can deliver a peak current of 9 Adc and up to 0.79 kW for 1 s, after which the peak-time limit protects the semiconductors. A DC bus of 90 Vdc is the maximum permitted input, and the low 0.075 Ω output resistance helps reduce I²R dissipation in the power stage. The amplifier shuts down at 70 °C to prevent thermal overstress. It supplies up to 400 mA to differential encoders and accepts step-and-direction commands up to 2 MHz, supporting precise command tracking in high-speed motion systems.

Commutation fidelity is aided by a PWM carrier set at 15 kHz, and the reflected ripple appears at 30 kHz to keep audible noise low while supporting fast current regulation. The quadrature decoder processes feedback at a rate of 8 Mcount/s, allowing position loops to close on fine encoder lines without missed edges. For phase stability, the design requires a minimum load inductance of 200 µH. Despite its power density, the unit weighs only 0.43 kg and measures 167 × 98.8 × 29.7 mm, which helps when mounting the amplifier in compact control enclosures. Its slim profile also leaves room for adjacent modules and cable routing in dense machine layouts.