![]() Fundamentals of PID Control LoopsĪs mentioned above, a PID Loop is a complex mathematical function which allows one to control a process based on certain feedback. We will be discussing all of these points within this article as well as going over the process of creating a loop through an instruction in RSLogix 5000 & trending the output through the use of some basic logic routines & timers. ![]() Although this concept has a very extensive control systems background & theory, we’ve come to a point where we can utilize a PLC-based instruction to control the system without worrying about all the details.Īs a control system technician, engineer or PLC programmer, it’s important to know how to deal with PID loops, how to create one, where it’s applicable, how to tune it, how to identify potential points of failure & have a basic understanding of the process in general. It gives an engineer the ability to control a certain process based on the feedback received from field devices. A PID control loop is a critical function within many industrial processes.
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