800-1514 Copley Controls
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The Copley Controls 800-1514 is part of the Accelnet CanOPEN Modules series and provides a continuous current of 3 Amps per channel, with a peak current of 4 Amps for up to 1 second. This module accepts input voltages from 20 to 55 VDC and supports an encoder feedback rate of 5 MHz. It weighs 0.43 kilograms and operates with a PWM frequency of 15 kHz.
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Product Description:
The 800-1514 is a compact servo drive module manufactured by Copley Controls for the Accelnet CANopen Modules series. As a two-channel amplifier, it interfaces with motion controllers over the CANopen fieldbus and converts low-level commands into controlled motor currents for precise positioning and speed regulation in industrial automation equipment. It supports DC bus supplies commonly used in distributed drive architectures and is suitable for pick-and-place axes, small conveyors, and laboratory instruments where tight motor synchronization is required.
Each command channel accepts a differential analog range of ±10 Vdc, and the input impedance of 200 kΩ allows the drive to connect to voltage sources without excessive loading. Continuous output is rated at 3 Adc per motor, providing the sustained current needed to produce motor torque. The current loop executes every 66.7 µs, so feedback corrections are applied quickly to support smooth motion, even on low-inductance coils. Quadrature encoder feedback is handled at frequencies up to 5 MHz, enabling position resolution compatible with the high-count encoders used in precision linear stages. A 24 Vdc enable input activates the power stage, and two digital outputs can source 50 mAdc for external relays or status indicators.
Bus voltage can range from the minimum 20 Vdc required for regulation to the absolute limit of 55 Vdc, allowing the same drive to operate with battery-based or fixed DC supplies. For rapid acceleration, it supplies 4 Adc per channel for up to 1 second before returning to the continuous rating. The design requires at least 200 µH of winding inductance to keep current ripple within acceptable limits. Pulse-width modulation operates at 15 kHz, minimizing audible noise while keeping switching losses moderate. Thermal protection disables the drive output when the heat sink reaches 70 °C, and the encoder port can supply 250 mA to single-ended or differential sensors. The aluminum housing weighs only 0.43 kg, making it suitable for moving axes where added mass can affect dynamic performance.
