MP3-090-10 Copley Controls
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The MP3-090-10 is a controller made by Copley Controls as part of the Bantam M-Axis Controllers series. It features 19 digital inputs, 9 digital outputs, and 3 analog inputs with 12-bit resolution. The controller supports a continuous current of 5 Adc, a peak current of 10 Adc for 1 second, and runs a current loop at 12.5 kHz.
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Product Description:
The MP3-090-10 is a multi-axis motion controller produced by Copley Controls for the Bantam M-Axis Controllers series. It manages brushed or brushless servo amplifiers in compact machinery, combining drive control with feedback processing to coordinate motor velocity and position. Typical applications include small conveyor sections, laboratory instruments, and other industrial automation equipment that requires several coordinated motion axes. Its compact 101.6 × 85.1 × 21 mm footprint allows installation in densely packed control enclosures where panel space is limited.
The controller provides 3 analog command inputs, each sampled at a resolution of 12-bit to distinguish 4,096 discrete command levels for torque or speed references. Motor windings can receive up to 5 A DC continuously, while transient acceleration demands are supported by a peak current of 10 A DC for one second before current foldback occurs. The current loop operates at 12.5 kHz, matching the PWM carrier frequency and supporting rapid response to changes in motor current. The velocity and position loop operates at 2.5 kHz for closed-loop motion regulation, while a PWM ripple frequency of 25 kHz helps reduce audible noise and torque ripple. Each logic supply rail provides 5 V DC at 500 mA for auxiliary sensors and related low-voltage devices. Incremental encoder signals with frequencies up to 5 MHz can be decoded without losing edge information during high-speed motion.
The 19 digital inputs support user-assigned functions for state monitoring, limit detection, and machine control signals. The controller also includes 9 sourcing outputs for open-collector switching of interlocks, indicators, or status signals. Three analog monitor points provide access to internal operating signals for system observation and adjustment. Each motor phase requires at least 200 µH of series inductance to limit the rate of current change when the PWM carrier switches. Protective current control reduces peak output to the continuous level after the permitted overload interval expires, helping keep the power stage within its operating limits. The available input, output, monitor, and feedback connections allow the controller to coordinate several servo axes without requiring external signal multiplexing.
