ACM-180-09 Copley Controls
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The ACM-180-09 is a drive module manufactured by Copley Controls as part of the Accelnet CanOPEN Modules series. It features a continuous output power of 0.8 kW and a peak output power of 1.6 kW for 1 second, with a continuous current rating of 3 Adc and peak current of 9 Adc. The module supports input voltages from 20 to 180 Vdc and provides 10 digital inputs with an analog input range of ±10 Vdc.
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Product Description:
The ACM-180-09 is a compact digital servo drive from Copley Controls that belongs to the Accelnet CANopen Modules series. Mounted near the motor or inside a distributed control cabinet, the module converts a high-voltage DC bus into pulse-width-modulated phase currents so that brushless, brushed DC, and stepper motors follow motion commands issued over CANopen or analog lines. By integrating current, velocity, and position loops in a single package, it streamlines axis control in packaging, semiconductor, and material-handling equipment.
This drive accepts an analog command range of ±10 Vdc, allowing direct connection to PLC motion cards that output industry-standard ±10 V setpoints. The internal power stage operates from a DC bus with a maximum voltage of 180 Vdc and a minimum voltage of 20 Vdc, so the same unit can run on battery packs or rectified mains supplies without hardware changes. Under a continuous load, it delivers 3 Adc, and it supplies up to 9 Adc during rapid acceleration or shock loads for the permitted burst interval. Ten optically isolated digital inputs support limit switches, homing sensors, and user-assigned functions, while a 5 kΩ differential input impedance helps isolate upstream electronics from ground loops.
The peak current window is limited to 1 s to protect the drive from excessive thermal loading. During operation, the PWM carrier runs at 15 kHz, keeping audible noise low and current ripple manageable. Position and velocity loops update at 3 kHz, providing tight servo stiffness for precise control of following error, while an internal stepper translator accepts step-and-direction pulses up to 2 MHz for high-resolution microstepping applications. The current loop updates at 15 kHz, and an effective PWM ripple frequency of 30 kHz further smooths motor torque. Continuous output power is 0.8 kW and rises to 1.6 kW during peak operation, all within a 102 × 69 × 25 mm housing that supports dense multi-axis layouts.
