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maxon motor control: modification and customisation

05 March 2019

In addition to offering a range of standard motor controllers, maxon also have a lot of experience in modifying and customising controllers to meet specific application requirements.

The current maxon catalogue range consists of predominantly of the ESCON (Easy Speed Controller) and EPOS4 (Easy Positioning System), along with their variants EPOS2, EPOS2P and MAXPOS. The ESCON is a speed and current controller which offers simple functionality via the use of analogue and digital inputs, and the EPOS range is a CANopen slave which operates as part of a communication bus system and requires control via a master system.

Modification

If these off the shelf solutions are not suitable for the application, perhaps due to a hardware or firmware issue, they can either be modified or a custom solution can be designed. 

maxon can offer a simple modification to a standard catalogue part. The following are examples of simple modifications:

Pre-configuration: maxon can pre-configure your drive to the required parameters, allowing the controller to essentially become a plug and play solution. Less time would be required on the users end in terms of setting up the controller to configure the parameters and then connecting to the final drive. 

Firmware modifications: Simple features can be added to the firmware of the controllers allowing them to meet the applications needs. This is applicable to both the ESCON and EPOS range. 

PCB coating: Conformal coating can be offered allowing the PCB and controller to operate in extreme conditions outside the catalogue value.

In terms of the procedure of implementing a modification, a simple firmware update is required usually, and testing is executed and documented if required. 

The extent to which we can modify existing products may be suitable for your application, however if not, we can offer a custom solution to suit. 

Customisation

A customised solution is typically derived from an existing solution from the catalogue. maxon can develop the necessary equipment required to produce the custom parts and complete the appropriate testing/simulations and provide relevant documentation to support its suitability and functionality. 

Custom units are bespoke to the customer and the design, this means the drive can be optimised to every detail to ensure it is suitable for its purpose. Customisation can be offered for a variety of reasons, this includes:

• Cost optimisation for high volume production: maxon can determine your requirements to ensure the cost of production can be minimised while the product is fit for purpose. 

• Additional hardware/firmware functionality: Additional functionality can be implemented with regards to both firmware and hardware

• Dimensional modification to fit space envelope

• Demanding environment: Material modifications can be made to suit extreme conditions

Typically, the procedure of developing a customised controller is more thorough and more work is required, hence lead-times can be longer, the following is a brief overview of what is required when designing a customised controller:

• Preparation and approval of specification

• Hardware and firmware development

• Prototype testing and approval

• Preparation of production and test documents

• Initialisation of production

Integrated drive systems

maxon motor produce DC motors, gearheads, sensors, controllers and accessories. With this in mind, we have the ability to produce a complete integrated system which can be plugged straight into the final system. Offering an integrated system has many benefits, such as saving time from in house assembly and having numerous suppliers. Having one supplier for the majority of components is efficient in terms of cost, time and also traceability. 

In the maxon catalogue, you can find motors with integrated electronics, however if these do not have the functionality that is required, we can look into offering a bespoke system which contains a motor, a controller with necessary electronics and also a gearbox with any additional drive elements.


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