Tag Archive: analog+control communication+time+interval controller+execution+time controller+tuning pressure+control process+dynamics system+performance variable+speed+drives


Analog Control Holdouts

I have seen two control loops that did not go digital during the migration to a DCS. These electronic analog controllers stick out like a sore thumb in a modern day control room. The user would like to get rid of them along with the parts, maintenance, and operator interface issues. What keeps these relics …

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