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what are the advantages of PID controllers compared with
those of a PLC
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Answer Posted / alok0207ac@gmail.com
Generally, PID control algorithms, using in PLC controllers withmany anolog inputs and outputs, enable control of many control loops. It is a great advantage. In my opinion the only disadvantage it is usually related to the tuning methodology. It is connected with the brand of the PLC and its type e.g. nano, micro etc. Sometimes an autotuning procedure doesn't exist e.g. VersaMax Micro from GE and then sometimes a manual tuning process is difficult.
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