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Products  |  Process Engineering  |  Simple Process Engineering Control Systems  |  RT 542
RT 542 Temperature Control Trainer Show data sheet (pdf file) Print page
Technical Description

  This trainer provides a comprehensive experimental introduction to the fundamentals of control engineering using an example of temperature control.

  A circulating pump delivers water within a closed circuit. The flow rate of water can be adjusted by a hand-operated valve. The loop also contains a screw-in heater, a heat exchanger with fan, and three integrated thermocouples for temperature measurement. Dead times can be represented by the use of different lengths of process delay. A thyristor power controller is used as the actuator. The controller used is a state-of-the-art digital industrial controller. It can be configured as a continuous or a switching device, and can activate the heater via the actuator and / or the fan. The controlled variable X and the manipulating variable Y are plotted directly on an integrated 2-channel line recorder. Alternatively, the variables can be tapped as analogue signals at lab jacks on the switch cabinet. This enables external recording equipment, such as an oscilloscope or a flatbed plotter, to be connected.

  A process control software (RT 650.50) is optionally available. The software permits the construction of a complete networked system comprising multiple trainers from the RT 512 - RT 552 series. The key process variables can also be represented, and control functions executed.


  The well-structured instructional material sets out the fundamentals and provides a step-by-step guide through the experiments.


Learning Objectives / Experiments

- fundamentals of control engineering
- real industrial control engineering

  controllers, transducers, actuators
- operation, configuration and parameterisation of

  the local industrial controller  
  * manually (by keyboard / controller software

    RT 450.14)
  * using the RT 650.50 process control software
- control response to
  * switching control (2-point / 3-point controller)
  * continuous control 
  * dead times
- investigation of disturbance and control response

- controller optimisation
- investigation of the properties of the open and

  closed control loops
- processing of process variables using external

  equipment, e.g. oscilloscope or plotter
- together with accessory RT 650.50 and other

  trainers (RT 512 - RT 532, RT 552): familiarisation

  with and use of process control software (SCADA)


* Experimental introduction to control engineering

  using an example of temperature control1
* Construction of the system with components

  commonly used in industry1
* Digital controller with freely selectable parameters:

  P, I, D and all combinations1
* Controllers configurable: Continuous controller,

   2-point or 3-point controller1
* Integrated 2-channel line recorder1
* Optional process control software RT 650.50

* A complete networked system can be constructed

  with Profibus interface

Available accessories
RT 450.14 -- Software for Controller Configuration
RT 650.50 -- Process Control Software for RT 512 - RT 552 Series
Alternative products
RT 450.04 -- Controlled System Module: Temperature
RT 512 -- Level Control Trainer
RT 522 -- Flow Control Trainer
RT 532 -- Pressure Control Trainer
RT 552 -- pH-Value Control Trainer
RT 644 -- Temperature Control Demonstration Unit
RT 512 - RT 552 Process Control Training Rigs with Process Control System

[1] trainer for control engineering experiments
[2] temperature control process, equipped with standard industrial components
[3] water circuit with pump, heater and 2 different lengths of process delay
[4] screw-in heater with dry-running protection and temperature limiter
[5] air/water heat exchanger with fan
[6] temperature measurement with thermocouples at multiple points
[7] generation of disturbance variables by ball valve with scale in water circuit
[8] thyristor power controller as actuator
[9] digital controller, configurable as switching or continuous controller
[10] 2-channel line recorder
[11] process variables X and Y accessible as analogue signals via lab jacks


Technical Data

Pump, 3-stage
- max. power consumption: 70W
- max. flow rate: 3,6m/h
- max. head: 4m
Screw-in heater: 2kW
Heat exchanger: approx. surface area 2,8m
- power output: 250W
- max. flow rate: 780m/h
- max. differential pressure: 430Pa
- speed: 2.880min-1
Thermocouple: type J: 0...200C
Thyristor power controller max. load current: 25A
Line recorder
- 1x 4...20mA, 1x 0...20mA
- feed rate 0...3.600mm/h, stepped

- process variables X, Y as analogue signals: 4...20mA


Dimensions and Weight
LxWxH: 1.000x700x1.750mm
Weight: approx. 120kg
Required for Operation

230V, 50/60Hz, 1 phase or 230V, 60Hz/CSA, 3 phase

Scope of Delivery

1 trainer

1 set of cables

1 hose

1 set of instructional material

Order Details
080.54200  RT 542  Temperature Control Trainer
© 2005 G.U.N.T. Gerätebau GmbH