ADP-180-18 Copley Controls
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The Copley Controls ADP-180-18 is part of the Accelnet CanOPEN Modules series and provides a continuous current of 6 Adc and a peak current of 18 Adc. It offers a continuous output power of 1.06 kW, peak output power of 3.15 kW, and features 12 digital inputs and 3 digital outputs. The module supports an emulated encoder resolution of 16,384 counts per revolution and has a step command rate of 2 MHz.
Internal Product Review
The ADP-180-18 is a Copley Controls Accelnet CanOPEN module engineered for precise motion control, with 6 Adc continuous current and 18 Adc peak current. A 15 kHz current loop rate paired with 30 kHz PWM ripple frequency supports stable, responsive drive behavior under changing loads. Strong power density and clean control architecture make this unit a very capable choice for compact servo applications.
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Product Description:
The ADP-180-18 is a panel-mounted servo drive module built by Copley Controls within the Accelnet CANopen Modules series. Designed for machine axes that require decentralized control, the unit interfaces with a CANopen network while delivering pulse-width-modulated power to a connected brushless, voice-coil, or stepper actuator. Its role in automation is to translate high-level motion commands into controlled motor currents that maintain precise torque, speed, and position.
At a continuous current of 6 Adc (4.2 Arms), the drive can deliver up to 1.06 kW of output power without exceeding thermal limits. The current loop executes at 15 kHz, and this 66.7 µs interval allows tight regulation of phase current during dynamic load changes. The I/O section includes 12 inputs and 3 outputs, providing interface points for limit switches, drive-enable lines, and status signals without requiring a separate expansion card. When an application calls for electronic gearing or dual-loop feedback, the internal interpolator generates an emulated quadrature stream with 16,384 counts/rev, allowing legacy controllers to read high-resolution position data. The drive also supports an encoder supply of +5 Vdc at 400 mA, a minimum load inductance of 200 µH, and an output resistance of 0.075 Ω to match most low-voltage servo motors.
Short-duration demands are handled through a peak current limit of 18 Adc (12.7 Arms) that the amplifier sustains for 1 second, lifting instantaneous output power to 3.15 kW for rapid acceleration profiles. A carrier-based switching scheme holds PWM ripple at 30 kHz, shifting spectral energy beyond the audible range and reducing torque ripple in low-inductance machines. Feedback integrity is preserved by an encoder input rated for 5 MHz line frequency, while command profiles can also be streamed at 2 MHz through the differential step-and-direction port. These high-speed interfaces complement the CANopen bus by handling tightly timed tasks with consistent position and current response during fast motion updates.
