R30-055-20 Copley Controls
Wake Industrial LLC is not an authorized distributor of this product.
The Copley Controls R30-055-20 is part of the Bantam M-Axis Controllers series and features a continuous current rating of 10 Amps DC with a peak current of 20 Amps DC for up to 1 second. This controller delivers a continuous output power of 523 Watts, peak output power of 1045 Watts, and operates at a PWM frequency of 33 kHz. Its compact dimensions are 53.3 by 45.7 by 15.2 millimeters.
Internal Product Review
The R30-055-20 is a Bantam M-Axis controller from Copley Controls with 10 Adc continuous current and 523 W continuous output power. Peak capability stands out with 20 Adc peak current and 1045 W peak output power for demanding motion profiles. A 33 kHz PWM frequency supports smooth motor control, making the unit a very capable choice for precision axis applications.
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Product Description:
The R30-055-20 is a compact DC motor amplifier produced by Copley Controls as part of the Bantam M-Axis Controllers series. Targeted at multi-axis gantries, laboratory instruments, and other space-restricted assemblies, the unit converts a differential command signal into controlled current that drives a three-phase brushless or brushed servo motor. By performing current-mode regulation, the controller forms the power stage between a motion card and the motor windings, enabling precise velocity and torque control in distributed industrial automation tasks.
During operation, the amplifier accepts an analog reference of ±10 Vdc, translating that command into a motor phase current that can be sustained at 10 Adc. This continuous rating corresponds to a steady-state output of 523 W, permitting moderate-power axes to run without derating. For short dynamic bursts, the drive can furnish a peak current of 20 Adc, reaching a momentary output of 1045 W that is permitted for up to 1 s to accelerate loads. An undervoltage threshold at +12 Vdc disables switching if the high-voltage bus collapses, and a minimum load inductance of 200 µH is required so the PWM stage remains within current ripple limits.
Signal integrity is aided by an input impedance of 100 kΩ. The power stage exhibits an output resistance of 0.075 Ω that limits conduction losses, and thermal management is supervised by a sensor that trips at 80 °C. Switching devices are modulated at a pulse-width modulation frequency of 33 kHz to keep acoustic noise outside the audible band. The amplifier reports real-time load through a ±3 V current-monitor output, supports three Hall channels powered from an internally regulated +5 Vdc supply, and fits inside enclosures with a footprint of 53.3 × 45.7 × 15.2 mm.
