Simatic Open Controllers are suitable for distributed applications.

Press Release Summary:

Simatic Open Controllers are available in 1515SP PC 2 and CPU1516pro-2 PN for Simatic ET 200pro distributed controller. 1515SP PC 2 model is suitable for series machine building, windows applications and central I/Os. Product integrates PCbased software controller with high-level language programs.

Original Press Release:

Automation Controller for Distributed and PC‑Based Applications

  • Distributed Simatic automation controllers for standard and fail-safe applications up to Performance Level e
  • Compact devices with functions of a PC-based software controller, visualization, Windows applications and central I/Os
  • World's only software controller with fail-safe, PC-based control which is operated independently of the operating system

Siemens is extending its Simatic automation controller series for PC-based applications. The distributed automation controllers now include the new, more powerful Simatic ET 200SP Open Controller CPU 1515SP PC 2 – for standard and fail-safe applications up to Performance Level e. The new Open Controller, which is particularly suitable for series machine building, combines the functions of a PC-based software controller with visualization, Windows applications and central I/Os (inputs/outputs) in a single compact device The new, fail-safe CPU1516pro-2 PN for the Simatic ET 200pro Distributed Controller also performs standard and fail-safe automation tasks up to Performance Level e in a single device.

Safety functionalities have now been integrated in the Simatic S7-1500 Software Controllers for the first time. This makes the CPU 1507S F the world's only software controller with fail-safe PC-based control which is operated independently of the operating system. This guarantees high system availability and facilitates the controller's rapid start-up. What is more, installation of Windows updates and rebooting is now possible while the controller is running. This also eliminates the need for the hardware controller that would otherwise also be necessary, thereby saving space and money and reducing engineering costs. The combination of PC-based control and high-level language programs makes the Simatic S7-1500 Software Controller particularly suitable for special-purpose machine manufacturing.

Background information:

Siemens offers the right controller for an extremely wide range of automation requirements. The scalable Simatic range of controllers, comprising Basic, Advanced, Distributed and Software Controllers, all have the same range of functions. The S7-1200 Basic Controllers are used for compact automation solutions, and the S7-1500 Advanced Controllers for complex tasks, while the ET 200SP Distributed Controllers are suitable for distributed applications, and the Software Controllers for PC-based applications.

Further information at and

Siemens AG (Berlin and Munich) is a global technology powerhouse that has stood for engineering excellence, innovation, quality, reliability and internationality for 170 years. The company is active around the globe, focusing on the areas of electrification, automation and digitalization. One of the world’s largest producers of energy-efficient, resource-saving technologies, Siemens is a leading supplier of efficient power generation and power transmission solutions and a pioneer in infrastructure solutions as well as automation, drive and software solutions for industry. The company is also a leading provider of medical imaging equipment – such as computed tomography and magnetic resonance imaging systems – and a leader in laboratory diagnostics as well as clinical IT. In fiscal 2017, which ended on September 30, 2017, Siemens generated revenue of €83.0 billion and net income of €6.2 billion. At the end of September 2017, the company had around 377,000 employees worldwide. Further information is available on the Internet at

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