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RT 644: Temperature Control Demonstration Unit

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Temperature Control Demonstration Unit

Temperature Control Demonstration Unit Temperature Control Demonstration Unit Temperature Control Demonstration Unit

Product Details


Technical Description 
 
This training system provides a comprehensive experimental introduction to the fundamentals of process control using an example of temperature control.

All components are clearly laid out on a vertical front panel. The large-format process diagram provides an aid to understanding.
The system comprises two water circuits. In the secondary circuit fresh water is heated up by a heat exchanger. The temperature is measured by an electronic temperature transducer at the fresh water outlet. The outlet temperature of the fresh water is regulated by the flow rate of warm water in the primary circuit. The primary circuit comprises an electrically heated tank, a pump and an electromagnetic proportional valve as the actuator. Both circuits include variable-area flowmeters. The controller used is a state-of-the-art digital industrial controller. A ball valve in the secondary circuit enables defined disturbance variables to be generated. The controlled variable X and the manipulating variable Y can be tapped as analogue signals at lab jacks. This enables external recording equipment, such as a plotter or an oscilloscope, to be connected. 
An instrumentation and control software (RT 650.40) with interface module (USB) is available as an accessory. This enables the key process variables to be represented, and control functions executed.
 
The well-structured instructional material outlines the technological fundamentals and provides a step-by-step guide through the experiments.
 
Learning Objectives / Experiments

- Introduction to the fundamentals of process control
- Familiarisation with latest industrial process control
  components: controllers, transducers, actuators
- Operation and parameter setting of a multi-
  functional state-of-the-art digital controller: e.g.
  parameter setting as P, PI and PID controller
- Investigation of disturbance and control response
- Influence of different control parameters on stability
  and control quality
- Investigation of the properties of the open and
  closed control loops
- Processing of process variables using external
  equipment, e.g. plotter or oscilloscope
- In conjunction with accessory RT 650.40:
  Familiarisation with and use of I&C software
 
Features
 
* Experimental introduction to process control 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
* Optional I&C software RT 650.40 via USB

Specification

[1] Temperature control demonstration and practice unit
[2] Temperature control with plate heat exchanger and 2 water circuits
[3] Primary circuit with electrically heated tank, pump control valve, variable-area flowmeter
[4] Secondary circuit with fresh water connection, temperature transducer, variable-area flowmeter
[5] Ball valve to generate disturbance variables in fresh water circuit
[6] Plate heat exchanger, 30 plates
[7] Control valve: electro-magnetic proportional valve
[8] Digital industrial controller, freely configurable
[9] Base construction in solid steel frame and metal panel
[10] Large process schematic on front panel
[11] Process variables X and Y accessible as analogue signals via lab jacks
[12] 230V, 50Hz, 1 phase, fresh water connection
 
Technical Data

Water tank
- stainless steel
- capacity: 15L
Heater:
- power output: 2kW
- thermostat: 20...80°C
Pump:
- power consumption: 700W
- max. head: 34m
- max. flow rate: 34L/min
- speed: 2800rpm
Temperature transducer: PT 100: -50...400°C
2x dial-gauge thermometers (bimetal type): 0...80°C
2x variable-area flowmeters: 30...320L/h
Electromagnetic proportional valve: kvs: 0.4m³/h
Digital controller, can be configured as P, PI or PID controller
Process variables as analogue signals: 0...10V
Connection of external recording devices (e.g. oscilloscope, line recorder) via lab jacks
 
Dimensions and Weight
l x w x h : 1000 x 500 x 1050 mm
Weight : approx. 55 kg

Connections
230V, 50Hz, 1 phase
Fresh water connection approx. 100ltr/h

Scope of Delivery
1 temperature control demonstration unit
1 set of instructional material
 
Order Details
080.64400  RT 644  Temperature Control
                      Demonstration Unit

Available accessories
 
RT 650.40 -- I&C Software for RT 614 - RT 674 Series
 
Alternative products
 
RT 040 -- Training System: Temperature Control, HSI
RT 450.04 -- Controlled System Module: Temperature
RT 542 -- Temperature Control Trainer
RT 614 -- Level Control Demonstration Unit
RT 624 -- Flow Control Demonstration Unit
RT 634 -- Pressure Control Demonstration Unit
RT 674 -- Flow / Level Control Demonstration Unit
 
Overview
 
RT 614 - RT 674 Introduction to Industrial Process Control

SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
E-Mail:
info@selkagmbh.com   |  Internet: http://www.selkagmbh.com

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