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KINGSTAR Soft Motion provides all the benefits of a software solution to motion control in an automatically configured EtherCAT environment with “plug-and-play” compatibility. With the highest quality and performance of pre-integrated and pre-tested motion libraries, KINGSTAR delivers motion control at half the cost of traditional hardware platforms. Deliver Software-Only Motion Control and Positioning Systems Quickly and Affordably KINGSTAR Soft Motion is an open and standards-based, software-only solution that streamlines motor control and automation. Soft Motion runs directly on the PC, uses the NIC card for I/O, and uses the powerful EtherCAT protocol to free you from the shackles of proprietary and costly hardware. With Soft Motion, motion control engineers can design, develop and integrate PC-based machine controllers in a “plug-and-play” environment for consolidated, inexpensive and scalable motion and vision control.

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Product Release Notice: KINGSTAR 3.1.2

POSTED 07/07/2017

Product Overview

KINGSTAR products are designed for industrial machines requiring motion control and positioning systems. KINGSTAR’s all-software approach sets it apart from other machine control solutions.

Using the EtherCAT standard; the power of Industrial PCs; and the Windows operating system, enhanced by IntervalZero’s RTX64 hard real-time software that transforms Windows into a real-time operating system (RTOS), you can create software-only, PC-based machine controllers that lower the costs of industrial machines while delivering excellent precision and performance.

There are two product lines: KINGSTAR Soft Motion and KINGSTAR EtherCAT.

KINGSTAR Soft Motion is a complete software solution that creates PC-based machine controllers with premium precision and performance.

KINGSTAR EtherCAT provides support for CANopen over EtherCAT and simplified configuration of EtherCAT networks.

New Features and Resolved Issues
KINGSTAR Soft Motion

  • Resolves issues regarding the functions MC_MoveContinuousAbsolute and MC_MoveContinuousRelative.
  • When the end velocity was set to zero the motor would continue to run at minimum speed even after it had reached the end velocity. [KS-319]
  • When the end velocity was set to a value larger than the maximum velocity configured using the ConfigureServoMotion function, the motor would travel the specified distance, stop, and then generate a position lag error. [KS-320]
  • Resolves an issue regarding CAM failures when slave positions are relative, profile is periodic (continue), and slave offset is greater than zero. [KS-325]
  • Resolves an issue regarding sending the EC_ReadWordParameter command not setting the output “busy” to be TRUE immediately. [KS-340]
  • Resolves an issue regarding the Sanyo Denki RF2 servo drives encounter when Mode of Operation and Mode of Operation Display objects are enabled using the EnableSynchronizedControlMode function. [KS-341]
  • Resolves an issue regarding the KINGSTAR shared memory not being initialized to zero. [KS-346]
  • Resolves an issue regarding the mcMinPositionLag parameter not working properly. [KS- 349]
  • Resolves and issue regarding the outputs of the MC_GroupEnable and MC_GroupDisable function blocks not updating correctly. [KS-356]
  • Resolves an issue regarding the axis group index requiring a zero and one, or the commands would not run and an access violation would occur. [KS-357]
  • Resolves an issue regarding the .NET EC_ReadWordParameter function not properly using the done output value to notify users when completed. [KS-375]
  • Resolves issues regarding the Win32 functions MC_Inch and MC_Jog not working correctly. [KS-391]


  • Includes support for the Intel i219 Network Interface Cards (NICs), as well as updated support for several Intel ICH8, ICH9, ICH10, and PCH controllers Intel network interface cards.
  • Resolves an issue regarding several Realtek device entries missing from the KINGSTAR driver list and INF file.
  • Resolves an issue regarding the Copley servo drives being unable to be servo-ed on. [KS-326]
  • Resolves and issue regarding Sanyo Denki RF2 servo drives encountering problems when Mode of Operation and Mode of Operation Display objects is enabled using the EnableSynchronizedControlMode function. [KS-341]
  • Resolves an issue regarding the ideal processor check goes into an infinite loop when the computer has more than 16 cores. [KS-351]