AEP-090-09 Copley Controls
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The Copley Controls AEP-090-09 is part of the Accelnet CanOPEN Modules series and supports a supply voltage range from 20 to 90 VDC. It provides continuous currents of 3 Adc and peak output of 9 Adc for up to 1 second. The module has 8 digital inputs, 3 digital outputs, and operates with a PWM frequency of 16 kHz.
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Product Description:
The AEP-090-09 is a DC-powered motion-control amplifier supplied by Copley Controls within the Accelnet CANopen Modules series. Designed for panel installation, the module uses a CANopen fieldbus to regulate brushless and brushed servo motors in automated machinery. By converting a low-voltage DC bus into high-bandwidth, pulse-width-modulated phase currents, it allows PLCs and motion controllers to manage precise position, velocity, and torque loops. Its thin, card-style footprint is suitable for multi-axis racks where several motion-control modules must fit within a limited amount of panel space.
The power stage accepts bus voltages from 20 V DC to 90 V DC, enabling operation with battery sources or rectified power supplies. A carrier frequency of 16 kHz switches the output transistors, and this high PWM frequency minimizes current ripple in low-inductance motors. The power bridge has an output resistance of only 0.075 Ω, so most of the bus energy is delivered to the load rather than dissipated as heat. Incremental encoder feedback supports a maximum line frequency of 5 MHz, allowing the drive to retain full count resolution at high motor speeds when used with encoders that have fine line counts.
During continuous operation, the unit supplies 3 A DC, and it can deliver bursts of up to 9 A DC for 1 second to overcome static friction or accelerate inertial loads. Thermal loading is limited by a 3.3 A DC input limit, while an auxiliary 2.5 W high-voltage supply powers internal logic without loading the main bus. Motion commands can be provided through a ±10 V analog channel or eight optically isolated digital inputs, while three digital outputs return operating status or fault signals. Safe commutation requires a minimum load inductance of 200 µH. The aluminum housing measures 196 × 99 × 31 mm, keeping panel depth low in densely packed control cabinets.
