It is essential for AC drives to support various loads across various
industrial applications including oil and gas, chemical, mining, marine and
food and beverage to name a few. These applications require precision motor
control that ensures high productivity and efficiency. Additional benefits
include a reduction in mechanical stress on the motor, which reduces
maintenance costs.
To achieve high precision motor control, it is important to incorporate a
chipset that provides high performance processing with real-time, low latency
response and low power consumption. High-speed GPIOs and high memory density
enables seamless connectivity and processing that is necessary when
interfacing with HMI systems, motors, power and communication modules and
AFEs.
AC Drive Solution
NXP provides a solution that includes power, control and HMI stages. The power
stage rectifier circuit is efficiently managed by the i.MX RT1060 crossover
MCU and GD3100 single channel gate driver. Motor feedback is sensed by the
KMA221 programmable angle sensor that in turn is decoded by the MPU. The
control stage that includes the i.MX RT1060 provides high speed connectivity
via GPIOs programmed as AC drive analog and digital inputs and outputs
including USB Type C, Ethernet and TSN connectivity.
The LPC546xx MCU serves as a detachable HMI panel for real-time control and
monitoring and together with the control and power stages, this design
provides a low latency and low-power HMI interface. This enables precision
motor control and results in high efficiency and productivity.
Figure 1. AC Servo Drive Block Diagram
Additional Resources
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