RT 453 Pressure Control Didactic Equipment Vocational Education Equipment Process Control Trainer
First order and second order pressure controlled system based on standard industrial components, smart pressure sensors, system control via PLC Features - digital control of the pressure via PLC - integrated touch screen or PC with software as HMI - network capable software with data acquisition for remote learning - use of smart sensors, configuration via PLC: change, save and transfer parameters during operation Learning objectives/experiments - design and function of a pressure control system - investigate the properties of open and closed loops - control response in -- 1st order controlled system -- 2nd order controlled system - investigate disturbance and reference variable response - manipulating variable limitation and effect on the control system - fault finding (fault simulation via PLC) - familiarisation with industrial control engineering components: Siemens PLC as digital controller, smart pressure sensors with IO-Link interface as measuring element, electropneumatic control valve with positioner as actuator - familiarisation with IO-Link as communications interface for smart sensors -- standardised, open technology -- interference-free transfer of measured values -- exchange of configuration data -- system design (IO-Link device, IO-Link master, PLC) Specification [1] pressure control process with standard industrial components and smart sensors [2] digital control via PLC, controller can be parametrised as P, PI or PID controller [3] controlled system: 2 pressure vessels with safety valve and manometer for direct observation of the vessel pressures [4] investigation of a first order (1 vessel) or second order (2 vessels connected in series) controlled system [5] measuring element: smart pressure sensors with IO-Link interface for interference-free transfer of measured values and exchange of configuration data [6] smart pressure sensors configured via PLC [7] actuator: electropneumatic control valve with positioner [8] generate disturbance variables via motorised valves, operation via PLC [9] remote learning: follow and analyse experiments at any number of workstations with LAN/WLAN connection via network capable software [10] software for data acquisition via LAN under Windows 10 [11] multimedia instructional materials online in Media Center Technical data 2 pressure vessels - volume: 10L each - max. pressure: 10bar PLC - type: Siemens SIMATIC S7-1200 - modules: compact CPU (8 DI, 6 DO, 2 AI), signal board (1 AO), analogue I/O module (4 AI, 2 AO), IO-Link master 2 smart pressure sensors - measuring principle: ceramic-capacitive - communications interface: IO-Link Pneumatically operated control valve DN 15 - Kvs value: 0,25 - nominal stroke: 15mm Measuring ranges - pressure: 4x 0...10bar - opening degree: 3x 0...100% 230V, 50Hz, 1 phase; 230V, 60Hz, 1 phase 120V, 60Hz, 1 phase; UL/CSA optional LxWxH: 2030x790x1987mm Weight: approx. 203kg