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PRODUCT
RT 040 Training System: Temperature Control, HSI
Education / GUNT Hamburg / Process Engineering / Fundamentals of Control Engineering /
description

This compact experimental unit offers every opportunity to learn the fundamentals of control engineering through experimentation on a temperature control system.

 

  The experimental set-up is mounted on a housing which accommodates all the electronics. A metal bar, which is thermally insulated with cladding, is heated or cooled at one end by a Peltier element. Three temperature transducers along the axis of the bar allow the variation in temperature along the length of the bar, and hence the associated thermal lags, to be obtained for differing operating conditions. A dial-gauge thermometer offers the advantage that the temperature can be read off directly at any time. The temperature is measured using a thermal resistor (PTC). The sensor output signal is sent to the software controller. The output signal from the controller influences the operating voltage of the Peltier element and hence the heating capacity. A fan that dissipates part of the heating energy can be activated by the software to investigate the influence of disturbance variables.

  The powerful state-of-the-art software is an integral part of the training system, embodying the principle of hardware/software integration (HSI).

It enables the experiments to be conducted and evaluated in a user-friendly manner. The software has network capability. The link between the experimental unit and the PC is made via a USB port.

 

  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 based on the

  example of a temperature control system. System

  dead time can be obtained from the response

- open loop control response.

- effects of different controller parameters and

  methods on the response of the closed loop

  system
- recording of step responses 
  * reference variable
  * disturbance variable
- controller optimisation
- software-based controlled system simulation
  * comparison of different controlled system
 parameters

Specification

[1] experimental unit for control engineering experiments
[2] temperature control of a heated metal bar
[3] heating and cooling by Peltier element
[4] temperature sensors at 3 different points along axis of bar to establish thermal lags

[5] software activated fan to generate disturbance variables
[6] software-based controlled system simulation
[7] process schematic on front panel

[8] networkable LabVIEW software via USB under Windows XP or Windows Vista

 

Technical Data

Heated bar: Dxl: 20x200mm, aluminium
Peltier element
- power consumption depending on temperature
  power at 300K: 38,2W

  power at 50°C: 44,3W
- operated by DC voltage
Fan
- power consumption: 2W
- max. flow rate: 40m³/h
Temperature sensor: 0...100°C
Thermometer: 0...100°C
Temperature control range: 0...100°C
Software controller configurable as P, PI, PID and switching controller
Software
- process schematic with controller type selection

  (manual, continuous controller, two- or three-point

  controller, programmer) 
- time functions
- simulation function
- disturbance variable input

 

Dimensions and Weight
LxWxH: 600x440x250mm
Weight: approx. 15kg
Required for Operation
230V, 50/60Hz, 1 phase or 120V, 60Hz/CSA, 1 phase
Scope of Delivery

1 experimental unit
1 software package, complete with USB cable
1 handbook: Fundamentals of control engineering

   (RT 010 - RT 060)
1 instruction manual for RT 040

Order Details

080.04000  RT 040  Training System: Temperature Control, HSI