ACM-180-20 Copley Controls
Wake Industrial LLC is not an authorized distributor of this product.
The Copley Controls ACM-180-20 is part of the Accelnet CanOPEN Modules series and has a continuous output current of 10 Adc with a peak output current of 20 Adc. It delivers continuous output power of 1.8 kW and supports up to 10 digital inputs and 2 digital outputs. The module's voltage range is from 20 to 180 Vdc, and its dimensions are 102 by 69 by 25 millimeters.
Internal Product Review
The ACM-180-20 is a Copley Controls Accelnet CanOPEN module designed for high-response motion control, with a 20 to 180 VDC input range and 10 Adc continuous output current. Fast loop execution at 15 kHz current update and 3 kHz position/velocity rate supports stable servo tuning and precise dynamic performance. A 20 Adc peak output current makes the module an excellent choice for compact, high-performance axis control.
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Product Description:
The ACM-180-20 is a compact servo drive module produced by Copley Controls for the Accelnet CANopen Modules series. It interfaces with a CANopen network to regulate torque, velocity, or position in industrial automation systems that use brushless servo, stepper, or linear motors. By converting high-voltage DC bus power into precisely timed PWM phases, the unit supplies commanded current to the motor windings and coordinates motion with external controllers. The networked architecture allows a machine controller to exchange commands and status data across multiple axes on the same fieldbus segment.
The drive can sustain a continuous motor current of 10 Adc and deliver up to 1.8 kW of output power, while its DC bus accepts input from 20 V to a ceiling of 180 Vdc. A current loop that refreshes at 15 kHz works with the same carrier frequency and enforces a minimum pulse width of 220 ns, helping maintain linear duty cycles at low modulation indexes. Ten digital inputs and two digital outputs support limit switches, drive enables, fault relays, and other machine interlocks. The quadrature encoder port tracks feedback at a rate of 2 Mline/sec, and step-direction interfaces accept commands up to 2 MHz for microstepping or electronic gearing. Continuous operation is monitored through thermal and overcurrent limits, while bus voltage detection guards against drops below the 20 V threshold.
During transients, the amplifier supplies a peak current of 20 Adc for as long as 1 s, allowing motors to overcome inertia with a momentary power burst of 3.6 kW. Position and velocity regulators execute every 3 kHz, closing the loop between command and feedback without external DSPs. Machine integration is aided by the low-profile housing that measures 102 × 69 × 25 mm and weighs under 200 g, so multiple axes can mount side by side on a DIN rail. The compact format also suits multi-axis panels where wiring density is high and available mounting space is limited.
