For tailored advice and product selection/configuration assistance, please contact a sales representative. 26 MPS PA 204 Learning System Four Typical Industrial Processes in One System With a P, PI or PID control algorithm, (closed-loop) control technology is taught in a demonstrative and practical manner. The temperature sensor – for the Reactor station a PT100 resistance thermometer is used – delivers a uniform signal of 0 – 10 V via the measuring transducer. By way of the continuously controllable heater the controller sets the nominal temperatures and keeps them constant. At a constant flow rate, the three input materials are mixed into a recipe on the Mixing station. The flow rate is recorded by an electronic flow sensor with an impeller, and is additionally displayed with a floattype flow meter. The controller sets the required flow rate by way of the analog controlled pump. The pressure regulation ensures a constant high filtering quality by means of back-flushing. The pressure sensor features an LCD display, analog output and switching output, always delivering the correct value. A constant high quality is maintained by means of the proportional-pressure regulator. In the Bottling Station the level of the dosing tank is recorded with an analog level sensor. By way of the continuously controllable pump the controller regulates the level to the appropriate control value. During bottling, the level in the dosing tank is kept constant, thereby optimizing the bottling quality. Function The system consists of the Filtration, Mixing, Reactor and Bottling stations. The Filtration station filters a fluid. The filtrate is pumped out of the first tank via process valves through the filter into the second tank. The filtered fluid is added to the first tank in the Mixing station. The Mixing station mixes different recipes from three storage tanks. The finished mixture is pumped to the Reactor station. The Reactor station regulates the temperature of the fluid. Different temperature profiles, with different mixing times, are run depending on the selected recipe. The Bottling station bottles the fluid. The bottles are carried on conveyor belts to the bottling position. A pneumatic separator separates the bottles. The bottles are filled with different quantities from the dosing tank, depending on the selected recipe. Introduction and Fundamentals > MPS PA 204 Learning System
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