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Fail-safe software controller for PC-based automation

17.04.2009
The Siemens Industry Automation Division has developed a fail-safe software controller for PC-based automation. For the first time, safety-related tasks can be performed via PC using Siemens technology. Simatic WinAC RTX F meets the relevant safety requirements and applicable standards EN 954-1 up to Cat. 4, IEC 62061 up to SIL 3, and EN ISO 13849-1 up to PL e.

As with the modular Simatic S7 controllers, the user employs Step 7 as engineering software, supplemented by the Distributed Safety option package for safety-related applications. Simatic WinAC RTX F is a Windows XP or eXP-based controller and has an optimized runtime system to be able to process extensive PC applications simultaneously with the control task.

It is especially suitable for high-performance tasks with substantial data volumes and simultaneous demanding real-time requirements. The latest technologies such as dual-core processors are used to optimize utilization; for example, with one core for Windows applications, and the other for Simatic WinAC RTX F.

The new fail-safe Simatic WinAC RTX F software controller can be installed on all current x86 PC hardware platforms, for example, on all Simatic PCs. There are preinstalled versions such as the Simatic S7-mEC-RTX F fail-safe modular embedded controller in Simatic S7-300 design and the embedded fail-safe Simatic IPC427C-RTX F rail-mounted PC.

Simatic WinAC RTX F can be expanded using the safety-oriented peripherals ET 200S, ET 200M, and ET 200pro with IP67 degree of protection, or with the safety-oriented ET 200eco block I/O with IP67 degree of protection. A prerequisite is that the installed hardware provides the appropriate interfaces. This is the case, for example, with the Simatic Embedded Automation products. The Simatic S7-mEC-RTX F embedded controller can also be expanded with central ET200M I/O modules.


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