Control of four variables from process engineering Practical control of level, flow rate, pressure and temperature Features - practical control of level, flow rate, pressure and temperature - cascade control Learning objectives/experiments - familiarisation with industrial control loop components - setup, parameterisation and configuration on the controller - optimisation of controller settings - flow rate control - level control in closed tank with or without counter pressure - pressure control - temperature control - cascade control, level - flow rate - cascade control, temperature - flow rate - two-point control, temperature - plotting step responses Specification [1] control of level, flow rate, pressure, temperature and cascade control [2] circuit with collecting tank, graduated tank, pneumatic control valve and multistage variable-speed centrifugal pump [3] heating circuit with heater, pump, expansion vessel and heat exchanger [4] heater, pneumatic control valve and multistage variable-speed centrifugal pump as actuators [5] sensors for measurement of the controlled variables; level, flow rate, pressure and temperature [6] flow meter, two manometers and four thermometers for direct display [7] parameterisable controller with 4 selectable control loops [8] three-channel paperless recorder [9] network capability: observe, acquire, analyse experiments at any number of workstations with GUNT software via the customer's own LAN/WLAN network [10] GUNT software via USB under Windows 10 Technical data Tank, graduated: approx. 6L Collecting tank: approx. 90L Multistage centrifugal pump - max. flow rate: approx. 75L/min - max. head: approx. 59m Heating circuit pump - max. flow rate: approx. 50L/min - max. head: approx. 3,5m Heater power output: approx. 2kW Controller parameterisable as: P, PI or PID controller, switching controller Measuring ranges - level: 0...700mm - flow rate: 0...4000L/h - pressure: 1x 0...6bar, 1x 0...10bar - temperature: 1x 0...60°C, 3x 0...120°C 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 230V, 60Hz, 3 phases UL/CSA optional LxWxH: 2260x800x1990mm Weight: approx. 250kg