ADP-055-18-S Copley Controls
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The Copley Controls ADP-055-18-S is part of the Accelnet CanOPEN Modules series and features a peak current of 18 Adc and a continuous output power of 0.32 kW. It operates with a supply voltage range from 20 to 55 Vdc and weighs 0.43 kg. The module has a PWM frequency of 15 kHz and encoder supply voltage of 5 Vdc.
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Product Description:
The ADP-055-18-S is a compact drive module produced by Copley Controls within the Accelnet CANopen Modules series. Operating from a DC supply bus, the unit conditions power and closes current, velocity, and position loops for brushless or voice-coil actuators used in factory machinery, test equipment, and material-handling lines. Embedded CANopen networking supports distributed automation systems where node density is high and panel space is limited.
The power stage accepts bus voltages between 20 Vdc and 55 Vdc, allowing integration with 24 to 48 V battery or rectified supplies without hardware changes. Under continuous duty, the amplifier delivers 6 Adc to the motor and provides a continuous mechanical output of 0.32 kW. Momentary overloads can rise to 18 Adc for acceleration or disturbance rejection. The current loop is computed every 66 µs, equal to a 15 kHz update rate, so phase currents track commanded values with low error even with inductances as low as 200 µH. A 5 V, 400 mA encoder rail powers incremental or SSI feedback devices, while dedicated Hall inputs are synchronized with the 15 kHz PWM carrier to minimize commutation jitter. With a mass of 0.43 kg and an outline measuring 167 × 98.8 × 29.7 mm, the module mounts directly on heat sinks or bulkheads without substantially increasing cabinet depth.
During short bursts, the stage can supply 0.92 kW, providing reserve torque for indexing cycles at the stated peak current. Closed-loop velocity and position calculations run at 3 kHz, so command changes propagate to the motor in less than 0.4 ms. The PWM ripple component is switched at 30 kHz, pushing electromagnetic noise above typical servo bandwidths and simplifying filter design. Output impedance is only 0.075 Ω, reducing internal voltage drop and maximizing effective bus utilization when the line voltage sags.
