AEP-180-18 Copley Controls
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The Copley Controls AEP-180-18 is part of the Accelnet CanOPEN Modules series and delivers a continuous current of 6 Adc with a peak current of 18 Adc for up to 1 second. This module provides 8 digital inputs, 3 digital outputs, and operates with a current loop rate and PWM carrier frequency of 16 kHz. It features a minimum load inductance of 200 microhenries and weighs 0.45 kg.
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Product Description:
The AEP-180-18 is a panel-mount servo amplifier produced by Copley Controls within the Accelnet CANopen Modules series. Designed for distributed motion systems, the module closes current, velocity, and position loops for brushless or brushed motors while exchanging commands and status over the CANopen fieldbus. By combining a compact size with multimode control, it provides a drive stage that integrates easily into industrial automation systems where space is limited and simplified wiring is a priority.
The power section delivers a continuous current of 6 Adc, and overload demands are handled by a peak output of 18 Adc that may be applied for up to 1 s. A phase-to-phase resistance of 0.075 Ω limits conduction losses, supporting cooler operation at full load. The current loop updates at 16 kHz, and this rate aligns with an internal PWM carrier of 16 kHz, allowing stable regulation of motor windings with a minimum load inductance of 200 µH. During each cycle, velocity and position computations execute at 4 kHz so torque response remains aligned with command updates. Auxiliary high-voltage rails supply 2.5 W while sourcing 500 mAdc, and a separate encoder rail can furnish up to 400 mAdc for feedback devices. An RJ-11 connector with six positions and four RS-232 contacts is provided for local setup and diagnostics.
Control and feedback wiring is streamlined through 8 digital inputs that select modes, limits, or homing routines. The amplifier also provides 3 digital outputs that signal drive-ready, fault, or in-position states to the host controller. A PWM ripple frequency of 32 kHz minimizes current ripple in low-inductance motors and supports smooth torque delivery. The drive weighs only 0.45 kg, allowing it to be installed in tight enclosures without adding significant mass. Its panel-mount format supports direct integration into compact control assemblies while maintaining access to power, feedback, communication, and control connections.
