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maxon MACS range vs PLCs and Micro-controllers

Multi-axis delta robot in the food industryRobot part of an automated production line

In the realm of automation and control systems, choosing the right controller can significantly impact the efficiency and performance of your application. This article delves into the advantages of maxon’s MACS range compared to standard PLCs and microcontrollers.

A master controller is required for applications such as robotics that require the coordination of multiple axes of DC or brushless DC motors. These controllers are freely programmable and can typically achieve multi-axis coordination as a kinematics group or can programme and control axes individually.

Application designers might be tempted by the familiarity of a PLC or a standard microcontroller to achieve this control. However, a microcontroller that provides motion coordination of multiple axes can create a higher-performing, more reliable control system. 

To optimise multi-axis control for applications that require up to six DC, BLDC, or stepper motors, maxon’s MACs range includes the MiniMACS6, which is ready to control and power slave devices, and the MicroMACS6. This more compact controller requires a power stage. 

Real-Time Capability
One of the standout features of the MACS controllers is their real-time capability. Unlike typical microcontrollers such as the Raspberry Pi, which may struggle with real-time processing, the MACS range excels in handling time-critical tasks. This makes them ideal for applications requiring precise timing and synchronisation.

Integrated Power Amplifiers
The MiniMACS6 model has integrated power amplifiers, a feature not commonly found in standard PLCs or microcontrollers. This integration allows for a more compact machine design that directly drives brushed DC, brushless DC (BLDC), and stepper motors. This reduces the need for additional external components, simplifying the overall system architecture and reducing cost.

maxon's MiniMACS6 controller next to a euro coin
The maxon MicroMACS6 controller
maxon's MiniMACS6 controller next to a euro coin
The maxon MicroMACS6 controller

MicroMACS6 controller

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Comprehensive Software Development Kit
maxon provides a free software development kit (SDK) with numerous functions and examples, making it easier for developers to get started. This SDK is tailored to leverage the full capabilities of the MACS controllers, offering a more streamlined development process compared to generic and less specialised SDKs typically available for standard PLCs and microcontrollers.

Integrated Kinematics Libraries
The MACS controllers have integrated kinematics libraries for complex motion control applications, such as delta and SCARA robots. These libraries simplify the implementation of sophisticated motion profiles, reducing development time and improving system performance.

Customisable Hardware
maxon offers hardware modifications on request, providing a level of customisation typically unavailable with off-the-shelf PLCs and microcontrollers. This flexibility allows the MACS controllers to be tailored to specific application requirements, enhancing their versatility.

BLE Service Option
The MicroMACS6 model includes a BLE (Bluetooth Low Energy) service option, enabling wireless communication and control. This feature is particularly useful for applications where wired connections are impractical or remote monitoring and control are desired.

Offloading Higher-Level Controllers
Handling all motion control tasks within the MACS controllers significantly reduces the workload on higher-level controllers. This offloading allows the main controller to focus on other critical tasks, improving the overall system efficiency.

Smooth Motor Operation
The MACS controllers feature integrated functions such as jerk-limited profiles, which ensure smooth motor operation. This capability is crucial for applications requiring precise and gentle motion, reducing wear and tear on mechanical components and enhancing the system's longevity.

A more efficient and compact system
The maxon MiniMACS6 and MicroMACS6 controllers offer several advantages over standard PLCs and microcontrollers. Their real-time capability, integrated power amplifiers, comprehensive SDK, kinematics libraries, customisable hardware, BLE service option, and ability to offload higher-level controllers make them a superior choice for many automation and control applications. These features collectively contribute to more efficient, compact, and reliable systems, setting the MACS range apart in the competitive landscape of control solutions.

To learn more about maxon’s MACS range of multi-axis controllers, visit maxon Drives & Systems - Motion Control | maxon group

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