Softnet PN-IO Linux : Siemens Develops PC-based Profinet IO Software Controller for Linux Systems
Linux systems are becoming increasingly popular in the area of industrial automation, whereby inexpensive PC-based solutions are especially attractive to machine and plant operators. The Softnet PN-IO Linux software controller developed by Siemens now makes it possible to control distributed field devices via Profinet (PN) with standard PC hardware such as the "Simatic Microbox PC". The computer functions as a PN I/O controller. Up to 64 devices can be controlled at the same time and, for each device, 1,440 bytes are available in the input and output area. The update time in 100 Mbit full duplex mode is between eight milliseconds (16 connected field devices) and 32 milliseconds (64 connected field devices). For devices linked-up via WLAN, the update time is higher by a factor of approximately four.
The IO devices are configured with the standard tools STEP 7 or NCM PC. PN-IO Base serves as the programming interface. The structure of this C/C++ interface is comparable with the DP-Base interface, a component of the Softnet Profibus DP product. This considerably simplifies porting from existing Profibus DP master applications to PN IO controller applications. Softnet PN-IO Linux can run on open PC architectures. The Linux systems can therefore also be used for other tasks. For example, they can be used as a web server or gateway as well as for visualization or data collection.
Further information at: http://www.industry.siemens.com/... and http://www.siemens.com/...
Siemens AG Industry Sector / Industry Automation Division
The Siemens Industry Sector (Erlangen, Germany) is the world's leading supplier of production, transportation and building systems. Integrated hardware and software technologies combined with comprehensive industry-specific solutions enable Siemens to enhance the productivity and efficiency of its customers in industry and infrastructure. The Sector comprises six Divisions: Building Technologies, Industry Automation, Industry Solutions, Mobility, Drive Technologies and Osram. In fiscal 2007 (ended September 30), Siemens Industry generated sales of approximately EUR40 billion (pro forma, unconsolidated) with around 209,000 employees worldwide. http://www.siemens.com/...
With the business activities of Siemens VAI Metal Technologies, (Linz, Austria), Siemens Water Technologies (Warrendale, Pa., U.S.A.), and Industry Technologies, (Erlangen, Germany), the Siemens Industry Solutions Division (Erlangen, Germany) is one of the world's leading solution and service providers for industrial and infrastructure facilities. Using its own products, systems and process technologies, Industry Solutions develops and builds plants for end customers, commissions them and provides support during their entire life cycle.
Further information and downloads at: http://www.industry.siemens.com
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