BPL-090-14 Copley Controls
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The Copley Controls BPL-090-14 is part of the Accelnet CanOPEN Modules series. It provides a continuous current of 7 Adc with a peak current of 14 Adc and supports a minimum load inductance of 200 microhenries. The module features a current loop rate of 16 kHz, a PWM maximum frequency of 100 kHz, and an encoder supply voltage of 5 Vdc.
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Product Description:
The BPL-090-14 is a DC-powered servo drive module produced by Copley Controls and supplied within the Accelnet CANopen Modules series. Designed for installation alongside distributed motion controllers on a CANopen network, it manages current, velocity, and position loops for brushless or stepper actuators. By closing these loops onboard, the drive frees the PLC from high-frequency tasks and delivers deterministic torque commands to connected motors in packaging, semiconductor, and material-handling equipment. Because it operates from low-voltage DC buses, it is suited to mobile or small machine platforms where single-phase mains power is unavailable.
A continuous output capability of 7 Adc establishes the thermal limit for sustained motor torque, while the current loop executes at 16 kHz, providing tight phase-current regulation with minimal ripple. An auxiliary encoder rail supplies 5 Vdc, so incremental or absolute feedback devices do not need external power. The drive accepts DC bus voltages as low as 14 Vdc, allowing operation from batteries or low-voltage power supplies. It requires at least 200 µH of load inductance to maintain PWM stability. Position and velocity loops run at 4 kHz, and the gate driver can generate PWM pulses as short as 220 ns for fine duty-cycle resolution.
Transient demands are handled by a peak output of 14 Adc that can be maintained for 1 s before the controller returns to its continuous limit. The switching stage supports carrier frequencies up to 100 kHz, enabling quieter motor operation and reduced current ripple when used with lower-inductance windings. In stepper mode, the drive accepts step-and-direction input signals at rates up to 2 MHz, so high microstepping resolutions remain usable at elevated speeds. Internal slope control regulates rapid command changes during acceleration and deceleration. Fault supervision monitors operating conditions and allows the controller to respond when electrical or thermal limits are approached.
