XPC-230-09 Copley Controls
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The XPC-230-09 is a digital loop module manufactured by Copley Controls and is part of the XENUS Digital Loop Modules series. It provides a continuous output current of 3 Amps DC and a peak output current of 9 Amps DC with a peak duration of 1 second. The module operates at a control power voltage of 24 VDC, featuring a 16 kHz current loop sampling rate and an internal regeneration resistor rated at 60 Ohms.
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Product Description:
The XPC-230-09 digital loop module is produced by Copley Controls and belongs to the XENUS Digital Loop Modules series. This unit is designed to regulate current and voltage for brushless or brushed servo motors inside distributed industrial automation platforms. By combining current loop processing and regeneration hardware on a compact carrier, the module provides the foundation for precise motion axes that rely on external power stages or shared DC buses. It fits motion systems that separate loop control from the main power conversion stage, allowing a modular cabinet layout and flexible integration with matching drive components.
A continuous output current of 3 Adc indicates the sustained motor armature draw the module can handle without derating, while a peak capability of 9 Adc is available for acceleration bursts up to 1 s. The current loop is updated at 16 kHz, so commanded torque tracks reference signals with very low latency during dynamic speed changes. Internally, 940 µF of bus capacitance stores charge to smooth high-frequency ripple, and the power stage will trip if heatsink temperature reaches 85 °C. Each controller connector supplies two isolated 5 V rails at 500 mA apiece for encoder or I/O logic, and stable operation is maintained provided the motor winding pair presents at least 200 µH of line-to-line inductance. This arrangement supports consistent loop response while protecting the control electronics from thermal overload.
System power is delivered through a 24 Vdc control input, and consumption rises as signal and logic functions are brought online. DC bus events are supervised, so the module disengages above 400 Vdc or below 60 Vdc to protect downstream converters. Excess kinetic energy is routed through a 60 Ω internal resistor that can dissipate 20 W continuously, helping limit link voltage rise during deceleration. Mechanical integration is simplified by the compact footprint of 191.4 × 115.6 × 54.1 mm, allowing side-by-side mounting inside servo cabinets without obstructing airflow. The compact housing also leaves room for cable routing and cooling clearance in dense enclosure layouts.
