Abstract
In this paper, we describe the procedure for the implementation of the PID controller in the Festo CDPX operator unit. These units enable the execution of the control algorithm and human machine interface in a single unit. In our laboratory the unit is used to teach the students about the basics of control systems. For this purpose, one of the most common closed loop control systems for the education purposes was selected. It is a water level control system. In this paper the design of the whole system is presented. The need for a PI control algorithm is also explained. The programming of the operator unit CDPX, both in Festo CoDeSys and Designer Studio is explained. Such a simple system has turned out to be a great educational tool for Control Theory and Programmable Logic Controller related subjects.
Highlights
Programmable Logical Controllers are a vital part of the industrial environment envisioned within the Industry 4.0 paradigm
We describe the procedure for the implementation of the PID controller in the Festo CDPX operator unit
They provide more functions at a higher resolution for the interfaces between man and machine. They operate as PLCs and at the same time as servers by allowing access for external clients both on-site and around the world thanks to the Ethernet interface with integrated switch. They are programmed as a PLCs with CoDeSys V2.3 and V3.5 software environment on one side and as human machine interface (HMI) using Festo Designer Studio on the other side
Summary
Programmable Logical Controllers are a vital part of the industrial environment envisioned within the Industry 4.0 paradigm This term has been recently widely used to address the current trend of automation and data exchange in industrial and manufacturing technologies. They operate as PLCs and at the same time as servers by allowing access for external clients both on-site and around the world thanks to the Ethernet interface with integrated switch They are programmed as a PLCs with CoDeSys V2.3 and V3.5 software environment on one side and as HMI using Festo Designer Studio on the other side. Water level system is a possibility that fits here perfectly It is one of the most common (if not the most often used) systems in Control Theory related books [1,2,3,4,5].
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