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PRODUCT
RT 522 Flow Control Trainer
Education / GUNT Hamburg / Process Engineering / Simple Process Engineering Control Systems /
description

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

  A pump delivers water from a storage tank through a piping system. The flow rate is measured by an electromagnetic sensor, which permits further processing of the measured value by outputting a standardised current signal. A rotameter indicates the flow. The controller used is a state-of-the-art digital industrial controller. The actuator in the control loop is a control valve with electric motor operation. A ball valve in the outlet line enables defined disturbance variables to be generated. 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 
components:

  controllers, transducers, actuators
- operation and parameterisation of the local

  industrial controller  
  * manually (by keyboard)
  * using the RT 650.50 process control software 
- 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)

Specification

[1] trainer for control engineering experiments
[2] flow control process, equipped with standard industrial components
[3] flow rate measurement by electromagnetic sensor
[4] rotameter for direct observation of the flow
[5] generation of disturbance variables by ball valve with scale in outlet line
[6] control valve with electric motor
[7] digital controller, parameterisable as a P, PI or PID controller
[8] 2-channel line recorder

[9] process variables X and Y accessible as analogue signals via lab jacks 
 

Technical Data

Storage tank: 30L
Centrifugal pump
- power consumption: 550W
- max. flow rate: 230L/min
- max. head: 11m
- speed: 2.850min-1
Rotameter: 0...1.960L/h
Electromagnetic flow rate sensor: 0...6.000L/h 
Control valve with electric motor
- Kvs: 5,7m³/h
- stroke: 5mm
characteristic curve equal-percentage

- valve-opening position sensor: 0...1.000 Ohm

Line recorder
- 2x 4...20mA
- feed rate 0...3.600mm/h, stepped
Controller
- process variables X, Y as analogue signals: 4...20mA

 

Dimensions and Weight
LxWxH: 1.000x700x1.750mm
Weight: approx. 110kg
Required for Operation

230V, 50/60Hz, 1 phase or 120V, 60Hz/CSA, 1 phase

Scope of Delivery

1 trainer

1 set of cables

1 hose

1 set of instructional material

Order Details
080.52200  RT 522  Flow Control Trainer