BE2-090-14 Copley Controls
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The Copley Controls BE2-090-14 belongs to the Accelnet CanOPEN Modules series and offers a continuous current of 7 Adc with a peak current of 14 Adc for up to 1 second. This module features 18 digital inputs, an analog input resolution of 12-bit, and supports a velocity loop rate of 4 kHz. It is designed with a high voltage overvoltage limit of 90 Vdc and an overtemperature shutdown at 70 degrees Celsius.
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Product Description:
The BE2-090-14 is a DC servo drive module produced by Copley Controls within the Accelnet CANopen Modules series. Mounted on a DIN rail, it interfaces with a CANopen fieldbus and converts high-voltage DC into controlled, bidirectional motor current for brushless, brushed, or stepper axes. In automated assembly lines and packaging equipment, the module closes torque, velocity, or position loops locally, easing the processing load on the supervisory motion controller while keeping cycle times short.
At the power stage, the drive delivers a continuous output of 7 A DC, while transient loads can draw 14 A DC during the specified one-second peak interval; a 1360 µF bus capacitor limits voltage sag during these surges. The bridge requires at least 200 µH of line-to-line inductance in the connected motor to keep ripple current within safe limits. The current loop operates at 16 kHz, and the speed loop operates at 4 kHz. Pulse-width modulation uses a minimum pulse width of 220 ns. Step-and-direction commands are accepted at up to 2 MHz, while the analog input provides 12-bit resolution and a steady impedance of 5.05 kΩ, preventing excessive loading of external signal conditioners.
The control section offers 18 programmable digital inputs for limit switches, home sensors, or high-speed latching functions. Incremental encoder feedback is accepted at a maximum line frequency of 5 MHz, supporting reliable commutation at elevated motor speeds. Hardware protection shuts down the drive if the DC bus rises above 90 V DC or falls below 14 V DC, preventing saturation or brownout faults in shared supply systems. An internal sensor trips at 70 °C to guard against overheating, interrupting motion before semiconductor junction limits are reached. The protection circuits respond directly to abnormal bus and temperature conditions during operation.
