Pressure control demonstration unit Experimental introduction to control engineering using an example of second order pressure controlled system Features - experimental introduction to control engineering using an example of pressure control - construction of the system with components commonly used in industry - digital controller with freely selectable parameters: P, I, D and all combinations - Optional I&C software RT 650.40 via USB Learning objectives/experiments - fundamentals of control engineering - latest industrial control engineering components: controllers, transducers, actuators - operation and parameter setting of a multifunctional state-of-the-art digital controller: e.g. parameter setting as P, PI and PID controller - investigation of disturbance and control response - influence of different controller parameters on stability and control quality - investigation of the properties of the open and closed control loop - processing of process variables using external equipment, e.g. plotter or oscilloscope - together with accessory RT 650.40: familiarisation with and use of I&C software Specification [1] pressure control with components commonly used in industry [2] controlled system: two in-line pressure vessels for investigation of a second order controlled system [3] measuring element: pressure sensor in the second vessel [4] 2 manometers [5] digital industrial controller, parameterisable as a P, PI or PID controller [6] generation of disturbance variables by needle valve [7] actuator: electro-pneumatic control valve [8] process variables X and Y accessible as analogue signals via lab jacks [9] large process schematic on front panel Technical data Operating pressure: 6bar Pressure vessels - capacity: 10L - pressure: max. 10bar Pressure sensor: 0...6bar 2x manometers: 0...10bar Electro-pneumatic control valve - reference variable: 4...20mA - nominal valve stroke: 6mm Controller: parameterisable as P, PI or PID controller Process variables as analogue signals: 0...10V Connection of external recording devices (e.g. oscilloscope, line recorder) via lab jacks 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 1000x500x1070mm Weight: approx. 57kg