Real-time Ethernet system provides free option
A
B and R Industrial Automation Corp product story
Edited by the Engineeringtalk editorial team
Jul 7, 2008
The BSD license allows anyone to use, distribute and modify the software and to add development enhancements free of charge.
The Ethernet Powerlink Standardisation Group's (EPSG) openPowerlink solution for the master and slave side can be downloaded free of charge.
Since the real-time protocol operates with standard onboard Ethernet controllers, the download provides the only free-of-charge real-time Ethernet system in the world.
Sys Tec electronic has released its Powerlink solution under the BSD Open Source license.
The software package contains a sample implementation for Linux systems which consists of the stacks for the managing node (master) and for the controlled nodes (clients).
The open source implementation reaches cycle times up to 0.5ms while ensuring high synchronicity.
Other completely software-based solutions, by contrast, such as Profinet RT or Ethernet/IP, provide cycle times ranging from 2 to 10ms.
With co-processor support, Powerlink can reach cycle times of 0.1ms.
The BSD license allows anyone to use, distribute and modify the software and to add development enhancements free of charge.
Any user may integrate the software into products for sale.
Users are not required to disclose the source code of their own adaptations to the stack, as long as they do not remove the copyright notice from developer Sys Tec from the underlying source code.
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