TecQuipment Process Control Study Station – TE37

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Description

A laboratory scale model of a typical industrial process plant providing the essential facilities to allow flow level temperature and pressure control. Demonstrates applications of advanced control systems using industry standard instrumentation and controls.

The Control and Instrumentation Study Station uses industry-standard parts to teach industrial process control. It is an excellent tool to help train plant technicians and process control engineers.

Hot and cold water supplies connect to the study station. Two valves (worked by compressed air) control the flow of the water supplies into a process vessel. The process vessel has three jobs:

  • A pressure vessel with a pressure-relief valve for safety
  • A temperature-mixing chamber for the hot and cold water flows
  • A liquid-level reservoir with a sight gauge

Transmitters on the pipework and process vessel send flow, level temperature and pressure signals to a patch panel. Other sockets on the patch panel connect to the valves and other instruments. The students use leads (included) with the patch panel to connect the instruments and valves for any particular experiment.

The two flow transmitters are differential pressure transmitters, connected across orifice meters. The hot flow transmitter normally connects to an orifice meter in the hot water inlet. A set of hand-operated two-way valves also allow it to connect to a third orifice meter in the drain pipe from the process vessel.

The study station includes two fully configurable controllers, each with remote or local set point inputs. The controllers are industry-standard, with a choice of different control methods, and fully adjustable proportional, integral and derivative (PID) circuits. Sockets on the patch panel connect to an electronic multi-channel recorder to log changes in process variables.

Key features:

  • Genuine industry-standard instruments and controls
  • Patch panel with leads for quick and simple connection between instruments, valves and controls
  • Optional distributed computer control (TE37DCS)
  • Gives academic and vocational study for process control engineers and plant technicians
  • Includes hidden switches to create faults for fault-finding training
  • Fully programmable controllers with local and remote set points, and fully programmable proportional, integral and derivative control
  • Shows basic and advanced control, from standard flow control to ratio and interactive control

Learning outcomes

  • Setting up process transmitters
  • Level, pressure, flow and temperature control
  • Cascade control
  • Coupled and decoupled interactive control
  • Ratio control
  • Feed-forward control
  • Feed-forward-feedback control
  • Split range control
  • Fault-finding

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