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PROFINET IO OVERVIEW |
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PROFInet Unplugged – An introduction to PROFInet IO |
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PROFINET CERTIFICATION |
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Unlike Profibus, all PROFInet devices must pass certification prior to product launch. The Certification Office of the Profibus User Organization is responsible for establishing test centers where PROFInet devices can be certified. The first PROFInet test center is located in Germany . A US Test Center opened in 2005.
Certification of a PROFInet IO device is a three step process:
- Runtime Software Certification - All the runtime interfaces are tested for compliance with the PROFInet IO specification.
- Engineering Model Certification - The PROFInet IO device is tested for compliance with an Engineering tool.
- Field Compliance - The PROFInet IO device is tested in a network of PROFInet IO devices to verify compliance in a field environment.
- PROFInet IO certification generally takes up to 8 weeks from commencement. One working device must be presented to the Test Center which maintains strict confidentiality.
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HOW TO GET STARTED |
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The PROFInet Runtime Core software can be downloaded free of charge (membership required) from Profibus International as a zip file. Porting PROFInet to a specific RTOS requires the developer to port each PROFInet component. The components to port include the RPC, Context Manager, Sockets Interface, Discovery Protocol, Alarm Handler Interface and the Ethernet Device Driver. The PROFInet Integration manual provides individual instructions for the porting of each of these components.
Prior to starting this effort the developer should have a background in the Microsoft RPC, COM, Sockets and C++. An extensive background in the specific operation of your RTOS, the operation of your TCP/IP stack and the fundamentals of your processor are also important.
PROFInet implementation is not without challenges. Porting of your PROFInet core to your embedded RTOS is a significant challenge. The PROFInet core is designed for Net OS from NetSilicon. Other cores may be available. |
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FOR MORE INFORMATION |
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Profibus International, PROFInet Application Layer Service Definition , Version 1.95, November 2004
Profibus International, PROFInet Application Layer Protocol Specification , Version 1.95
Real Time Automation, Inc. (RTA, Inc.) is a member of the Profibus Trade Organization (PTO) and an authorized implementation vendor and member of ODVA. For more information see the following:
www.rtaautomation.com/devicenet
www.rtaautomation.com/ethernetip
www.rtaautomation.com/modbustcp
Or contact John Rinaldi directly at
"profinet at rtaautomation com" or 1-800-249-1612. |
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