When upgrading your system, or even planning a new plant, individual factors such as space and the connection to the process control system are decisive factors that affect your choice of technology.
In this example, an existing fluidized bed system is modernized. These systems are primarily used in hazardous areas in the pharmaceutical industry and food industry.
So far, temperature sensors and other 4 to 20 mA transmitters are connected to interface technology which is placed in the cabinet. Additionally, there is a valve bank installed in a separate single housing using PROFIBUS.