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I've read tru a few threads here discussing the difference between ICS, PLC, PCS. After reading it i have the impression that after few decades of evolving they are becoming pretty much close to each other that the border is starting to fade.
But at the mean time i was also told that PLC is very different from PCS, in that PLC is more on safety which require higher reliability, performance etc as compared to PCS which is mainly used for process control.
So I'm very curious, is ICS some sort of hybrid that serve both Process Control & Safety? Are we even allowed to combine both functions together?
I hear that PLC requires faster response & redundancy than PCS, but my question is, do ICS/PCS/PLC work in similar ways, do they use similar computer system & hardware/architecture or even though they feel the same they are developed in a totally different way which makes them Not The Same?
Hope you pros can help clear out the confusion.
But at the mean time i was also told that PLC is very different from PCS, in that PLC is more on safety which require higher reliability, performance etc as compared to PCS which is mainly used for process control.
So I'm very curious, is ICS some sort of hybrid that serve both Process Control & Safety? Are we even allowed to combine both functions together?
I hear that PLC requires faster response & redundancy than PCS, but my question is, do ICS/PCS/PLC work in similar ways, do they use similar computer system & hardware/architecture or even though they feel the same they are developed in a totally different way which makes them Not The Same?
Hope you pros can help clear out the confusion.