Profibus & Profinet International
New profile for robot systems
In addition to the Profisafe, Profidrive, Profienergy and PA profiles, Profibus & Profinet International (PI) is expanding its technology portfolio with the profile for robot systems. The 'Profile for Robot Systems' working group is responsible for the development.
One of PI 's core tasks is the cross-manufacturer standardization of data interfaces so that communication in automation systems is simple and interoperable. In modern production lines, more and more stationary robots are being integrated as complete systems in order to increase the degree of automation and reduce costs. As the production line is typically controlled by a PLC and the user programs the production line application via the PLC programming system, there is a need to be able to control and program the complete robot systems from different manufacturers integrated into the production line in a standardized way via the PLC programming system.
Against this background, a uniform data interface between the PLC and the robot controllers is now to be defined in order to make robot programming uniform - and therefore more efficient - for PLC programmers and PLC providers. This data interface should enable robot programs to be written completely in the PLC. This means that the PLC manufacturer only needs a single robot library based on this data interface, while the robot manufacturer only needs to implement a single interpreter for its robot controller. The robot functions are to be called via the data interface and the required robot status information reported back to the PLC.
The primary target group of this interface concept are the PLC and robot programmers who implement a machine or production line including robots (OEM), but machine operators and system operators also benefit from this (end customers).
For implementation, all known robot functions are to be defined in this data interface in a manufacturer-neutral manner, with the focus being on the handling of applications. This will be based on the preliminary work of the 'Uniform Robot Data Interface' project group.
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