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How do I get raw data points from a beautiful trend visually on a Honeywell (PLX HMI).
Okay here is the problem, a couple of flows and pressures were installed and trended in the dcs. All points of real interest are also in the historian (rockwell). however these points were not entered in historian. I have been asked to build a data set based on the lovely trend data after the fact. Essentially build a data table based on the curves of the trended graph. Anyone done this before?
Okay here is the problem, a couple of flows and pressures were installed and trended in the dcs. All points of real interest are also in the historian (rockwell). however these points were not entered in historian. I have been asked to build a data set based on the lovely trend data after the fact. Essentially build a data table based on the curves of the trended graph. Anyone done this before?
