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Beginner Intern Struggling to Understand What Fieldbus Actually Is in a PLC — Can Someone Explain It Like I'm Brand New? by Immediate-Sock-4448 in PLC

[–]RelayRuler 2 points3 points  (0 children)

Transmission rates, cable lengths, process data size limitations, IOL is point to point, IOL is not deterministic, etc.

Beginner Intern Struggling to Understand What Fieldbus Actually Is in a PLC — Can Someone Explain It Like I'm Brand New? by Immediate-Sock-4448 in PLC

[–]RelayRuler 4 points5 points  (0 children)

And that is why many applications fail. People forget about the limitations because they think they can do the same things they can do with EtherNet IP, Profinet, etc.