Softing-s PROFINET device implementation has passed the Class III category of the “Net Load Test” performed by PROFIBUS&PROFINET International (PI). This tough-to-reach performance objective ensures that PROFINET field devices that are based on Softing-s protocol software will operate at the highest level of robustness and reliability even under tremendous network load.
Softing-s off-the-shelf industrial Ethernet communications board FPGA RTEM CIII served as the hardware platform for the Net Load Test. The PROFINET protocol software is optimized for and executed by the on-board FPGA. The use of FPGA technology ensures that the tested behavior is also achieved in customized scenarios, e.g. if using the same CPU for the application and for the communication.
The data security aspect in production networks is becoming more and more important. At the same time, it is essential to ensure stable communication links and predictable device behavior even under extreme conditions such as the integration of production and company network into one secure subnet. The PI Net Load Test is designed to evaluate the effects of extra network load on a PROFINET protocol implementation by introducing additional data traffic up-to the total available network bandwidth. Depending on how well the PROFINET protocol software is able to sustain a reliable communication link determines its ranking into Net Load Classes I, II or III with Class III identifying the highest level of reliability.
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