SCADA/HMI


Intuitive CNC HMIs with simulation functionality

November 2025 SCADA/HMI

With CNC HMI Base and CNC HMI Simulation Server, the TwinCAT 3 automation software from Beckhoff offers two new function libraries for CNC-specific user interfaces. These were used to create an advanced, intuitive HMI application specifically for CNC purposes and to simulate part machining using real-time data.

The TwinCAT 3 CNC HMI Base software package is based entirely on the tried-and-tested TwinCAT 3 HMI Server, and therefore integrates seamlessly into the TwinCAT HMI product family. An extensive choice of technology-specific control elements is included, such as axis display, spindle and speed override, functions, and a tool data and zero offset table. The G-Code editor that is included supports cycle-based CNC programming in conjunction with the TwinCAT cycle products CNC Measurement, CNC Kinematic Optimisation and CNC Milling Base

The package also includes a soft keypad that can be configured during runtime. Integration into real time is achieved via a dedicated TwinCAT HMI server extension. This aggregates data from TwinCAT PLC and CNC into a common data model and makes it available to the client components. TwinCAT 3 CNC HMI Base allows user interfaces to be designed freely, taking customer-specific design rules into account.

The TwinCAT 3 CNC HMI Simulation Server integrates the 3D simulation control element, which is included in the TwinCAT 3 CNC HMI Base package, into the real-time data from TwinCAT CNC. The simulation runs either in sync with real machining (real-time simulation) or in fast forward. This allows the NC program to be checked visually in advance.


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