Technology
To achieve these functions, three different protocol levels are defined:
- TCP/IP for PROFINET CBA and the commissioning of a plant with reaction times in the range of 100ms
- RT (Real-Time) protocol for PROFINET CBA and PROFINET IO applications up to 10 ms cycle times
- IRT (Isochronous Real-Time) for PROFINET IO applications in drive systems with cycles times of less than 1ms
The PROFINET protocol can be recorded and displayed using any Ethernet analysis tool. In the current versions, Wireshark/Ethereal are able to decode PROFINET message frames.
Read more about this topic: PROFINET
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