Controlling KUKA Industrial Robots with SIMATIC S7-1500

The KUKA.PLC mxAutomation function package from KUKA Roboter GmbH offers a powerful way to control KUKA robots using the basic and motion commands available in the KR C4 controller, all through the SIMATIC controller. This practical example demonstrates how to integrate and manage a KUKA robot with the SIMATIC S7-1516, while also explaining the key function blocks included in the library.

Industrial robots are increasingly becoming an essential part of modern manufacturing. These systems are now widely used in various machines and factories due to their standardized mechanical design and highly flexible motion control. Their adaptability makes them ideal for specialized machinery where mass production is required without the need for costly custom modifications.

However, factory control systems and robot controllers typically operate as separate entities. Communication between them is often limited to a bit-level interface, and the robot’s motion programs are permanently stored within the robot controller itself. As a result, the plant control system cannot directly access or modify these programs. This limitation can hinder the robot's ability to respond quickly to unique operational events. Additionally, since the programming languages and environments differ significantly, it is challenging for a single person to manage both systems effectively, leading to inevitable integration and coordination challenges.

This application example highlights how to fully control a KUKA industrial robot using the SIMATIC S7-1500 controller. By utilizing the KUKA.PLC mxAutomation module library within the TIA Portal, users gain access to all the necessary function blocks required for seamless integration.

The communication between the SIMATIC S7-1500 controller and the KUKA robot takes place via a PROFINET connection. This network enables the exchange of all command and status information between the two systems, ensuring smooth and real-time interaction.

Using SIMATIC S7-1500 to Control KUKA Industrial Robots

Figure 01

With the KUKA.PLC mxAutomation module library, the SIMATIC controller can take full control of the KUKA industrial robot. The robot consists of the KR C4 controller and the mechanical structure, which together form the complete robotic system. The command decoder from the KUKA.PLC mxAutomation library is installed on the robot controller. It receives instructions from the SIMATIC controller and executes them on the mechanical components, including precise motion control and transformation.

Using SIMATIC S7-1500 to Control KUKA Industrial Robots

Figure 02

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