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Parallelism of Physical and Simulated Industrial Communication Network Development

Abstract:

To confirm the reliability and accuracy of simulation models, physical and virtual processes are compared. Simulation models, which represent physical processes in the real world in a simplified, mathematically simplified form, are often used to predict how complex systems will behave under various conditions. However, how well simulation models capture the underlying physical processes is a key factor in determining their validity and accuracy. To validate simulation models and ensure their accuracy and reliability, a comparison of simulation results with experimental data from real physical processes is imperative. The co-simulation approach and the emulation approach are the two main approaches that can be used to communicate between physical and simulated processes. This method involves running physical and virtual processes at the same time and allowing them to communicate through a predetermined protocol. For the validation of complex systems where a complete and accurate simulation of the processes is required, the co-simulation approach is useful. Both strategies use communication protocols such as Modbus and Profibus, among others, to connect physical and virtual processes. Modbus and ProfiNet protocols are two co-communication protocols used in industrial automation and control systems. Modbus is based on a master–slave communication scheme in which a master device sends requests to slave devices (e.g., sensors) to read or write data. It uses a simple and efficient message structure that includes a device address, a function code, and a data set. Modbus messages are transmitted over a serial communication network, such as RS-485 or Ethernet. ProfiNet is a real-time industrial communication protocol used to connect automation and control devices, such as sensors, actuators, and controllers.