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Will someone share some unbiased thoughts on the relative merits of PC versus PLC control? I shall install a new conveyor system, connecting
several machines. The bright idea I had was, since I needed some operator interface screen, might I upgrade the OI to a computer, use it to control the process and eliminate a PLC. PC vendors think this is a great idea, PLC vendors warn me about MTBF. This is a relativly small system, about 15 motors and 100 discrete I/O points. The environment is rather dirty, and
operator abuse of operator interfaces has occured in the past.
several machines. The bright idea I had was, since I needed some operator interface screen, might I upgrade the OI to a computer, use it to control the process and eliminate a PLC. PC vendors think this is a great idea, PLC vendors warn me about MTBF. This is a relativly small system, about 15 motors and 100 discrete I/O points. The environment is rather dirty, and
operator abuse of operator interfaces has occured in the past.