IntervalZero KINGSTAR Soft Motion Review: Specs, Price and Applications
Updated: 7 days ago
KINGSTAR Soft Motion is IntervalZero's software-only motion controller that runs on a standard Windows PC with RTX64 and drives EtherCAT servo drives and I/O through a network card. Pricing is available on request for the required configuration.
Quick Verdict
Replacing a dedicated motion card or controller, it provides plug-and-play EtherCAT master functionality, including CANopen over EtherCAT, and supports drives from vendors such as Kollmorgen, Mitsubishi, KEB, Faulhaber and Delta along with Beckhoff I/O terminals.
IntervalZero KINGSTAR Soft Motion is most relevant when its stated function matches the intended process. This software is most relevant to engineering teams whose existing workflow needs its specific stated function. Before selecting it, confirm the interfaces, licensing scope, supported versions and responsibility for long-term support. A small proof of concept should establish the benefit without concealing the work still required for deployment.
KINGSTAR Soft Motion at a Glance
Manufacturer: IntervalZero
Model: KINGSTAR Soft Motion
Product type: PC-based motion control software
Platform: Windows with RTX64 real-time extension
Fieldbus: EtherCAT, CANopen over EtherCAT
Hardware: Standard PC and network card
Drives: Kollmorgen AKD, Mitsubishi MR-J4-TM, KEB F6-K, Faulhaber, Delta and others
Price: Price on request
KINGSTAR Soft Motion Technical Specifications
Specification | IntervalZero KINGSTAR Soft Motion |
Manufacturer | IntervalZero |
Model | KINGSTAR Soft Motion |
Product type | PC-based motion control software |
Platform | Windows with RTX64 real-time extension |
Fieldbus | EtherCAT, CANopen over EtherCAT |
Hardware | Standard PC and network card |
Drives | Kollmorgen AKD, Mitsubishi MR-J4-TM, KEB F6-K, Faulhaber, Delta and others |
Price | Price on request |
Design and User Experience
Software value depends on how well it fits the surrounding engineering workflow. Consider the intended input, the output used by the machine or another application and the people who will maintain the configuration. A tool can be effective at one stage of development without replacing every system used before and after it.
Compatibility and Environment
Start with a representative project and a defined acceptance criterion. Check the required operating system, software version and compatible hardware before assuming that an existing computer or controller can run the selected configuration. Retain a repeatable test case so that changes to parameters and versions can be evaluated against the same baseline.
Programming and Software
Use the documented programming or configuration interfaces for the required workflow. A library, an SDK, a plug-in and a stand-alone application have different integration boundaries. Identify which tasks the product performs and which remain in the host application or controller. Keep the software configuration under version control with the project that consumes it.
Integration and Operating Workflow

Plan startup, normal operation, error handling and recovery as one interface. The consuming application should know whether an operation is complete, rejected or still running. Also decide where configuration and logs are stored. Clear ownership of these responsibilities makes the system easier to commission and maintain.
KINGSTAR Soft Motion Applications and Use Cases
Machine controllers
IntervalZero KINGSTAR Soft Motion is described for machine controllers. Test this use case with realistic inputs and the intended processing or control environment. An initial demonstration should become a repeatable sequence before it is treated as a deployment plan. Record any limits that matter to operation, including input formats, expected timing and the behavior when data is missing or inconsistent.
Multi-axis servo systems
IntervalZero KINGSTAR Soft Motion is described for multi-axis servo systems. Test this use case with realistic inputs and the intended processing or control environment. An initial demonstration should become a repeatable sequence before it is treated as a deployment plan. Record any limits that matter to operation, including input formats, expected timing and the behavior when data is missing or inconsistent.
Robot controllers
IntervalZero KINGSTAR Soft Motion is described for robot controllers. Test this use case with realistic inputs and the intended processing or control environment. An initial demonstration should become a repeatable sequence before it is treated as a deployment plan. Record any limits that matter to operation, including input formats, expected timing and the behavior when data is missing or inconsistent.
Relevant Industries
Machine building
Semiconductor
Packaging
KINGSTAR Soft Motion Price and Value
Price on request. Request a current quotation from IntervalZero for the intended configuration and deployment. No fixed USD price is assumed for this review.
A quotation should distinguish development licences, production runtimes, optional modules, maintenance and services. The software price alone may not include configuration, testing or integration with a particular machine. For a reusable deployment, also establish how additional machines or seats are licensed.
Pros and Cons
Pros
No dedicated motion hardware
Plug-and-play EtherCAT devices
Cons
Requires RTX64 licence
Who Should Choose KINGSTAR Soft Motion?
This software is most relevant to engineering teams whose existing workflow needs its specific stated function. Before selecting it, confirm the interfaces, licensing scope, supported versions and responsibility for long-term support. A small proof of concept should establish the benefit without concealing the work still required for deployment.
KINGSTAR Soft Motion FAQ
What is IntervalZero KINGSTAR Soft Motion?
KINGSTAR Soft Motion is IntervalZero's software-only motion controller that runs on a standard Windows PC with RTX64 and drives EtherCAT servo drives and I/O through a network card.
How much does KINGSTAR Soft Motion cost?
Price on request. Obtain a current quotation for the required configuration, licences, accessories and services. Prices are indicative and may change.
What applications is KINGSTAR Soft Motion intended for?
Its stated applications include Machine controllers, Multi-axis servo systems, Robot controllers. Validate the complete intended task before deployment.
What are the main specifications?
Platform: Windows with RTX64 real-time extension; Fieldbus: EtherCAT, CANopen over EtherCAT; Hardware: Standard PC and network card; Drives: Kollmorgen AKD, Mitsubishi MR-J4-TM, KEB F6-K, Faulhaber, Delta and others.
How should it be integrated?
Plan startup, normal operation, error handling and recovery as one interface. The consuming application should know whether an operation is complete, rejected or still running. Also decide where configuration and logs are stored. Clear ownership of these responsibilities makes the system easier to commission and maintain.
What are its main strengths?
No dedicated motion hardware Plug-and-play EtherCAT devices
What should buyers check before selecting it?
Requires RTX64 licence Start with a representative project and a defined acceptance criterion. Check the required operating system, software version and compatible hardware before assuming that an existing computer or controller can run the selected configuration. Retain a repeatable test case so that changes to parameters and versions can be evaluated against the same baseline.
Who is the best fit for KINGSTAR Soft Motion?
This software is most relevant to engineering teams whose existing workflow needs its specific stated function. Before selecting it, confirm the interfaces, licensing scope, supported versions and responsibility for long-term support. A small proof of concept should establish the benefit without concealing the work still required for deployment.
Prices and package contents are indicative and may change. Confirm the final configuration, licensing, accessories, shipping, taxes and integration scope in a supplier quotation.





