Pressure Control Training System | NexuMation 69
The Pressure Control Training System NexuMation 69 is an experimental unit for learning control engineering fundamentals using a pressurized tank. This pressure control training system uses a speed controlled diaphragm gas pump rated 29W, 27L/min and 5bar max pressure, with a 400mL pressure tank operating at 2bar. Pressure control range is 0-2bar. A software-activated solenoid valve generates disturbances, and the HSI software connects via USB.
The Pressure Control Training System NexuMation 69 offers a way to learn the basic fundamentals of control engineering. This pressure control training system charges a pressure tank with compressed air using a diaphragm gas pump. The experimental set-up is mounted on a housing which accommodates all the electronics.
Product Overview
The pressure control training system charges the pressure tank with compressed air by a diaphragm gas pump. A dial-gauge manometer allows the pressure in the tank to be observed directly at any time. The pressure is measured using a pressure sensor.
The sensor output signal is sent to the software controller. The output signal from the controller influences the speed of the diaphragm gas pump and hence the flow rate. An air consumer is simulated by way of a flow control valve. A solenoid valve, through which air can escape, 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 and embodies the principle of hardware/software integration (HSI). It enables experiments to be conducted and evaluated in a user-friendly manner. The link between the experimental unit and the PC is made via a USB port.
Pressure Control Training System NexuMation 69: Technical Specifications
| Parameter | Value |
|---|---|
| Unit Type | Experimental unit for control engineering experiments |
| Housing | Accommodates all electronics |
| Process | Pressure control in a tank |
| Pump | Speed controlled diaphragm gas pump |
| Pressure Sensing | Electronic pressure sensor, dial-gauge manometer |
| Disturbance Generation | Software-activated solenoid valve |
| Air Consumer Simulation | Flow control valve |
| Data Acquisition | DAQ via USB, HSI software integration |
| Controller Configurations | Manual, continuous, two or three-point controller, programmer |
Technical Data
| Parameter | Value |
|---|---|
| Diaphragm gas pump power | 29W |
| Diaphragm gas pump max flow rate | 27L/min |
| Diaphragm gas pump max pressure | 5bar |
| Pressure tank capacity | 400mL |
| Pressure tank operating pressure | 2bar |
| Pressure tank max pressure | 3bar |
| Pressure control range | 0-2bar |
Key Features
- Application: pressure control training system for control engineering fundamentals
- Housing: accommodates all electronics
- Pump: speed controlled diaphragm gas pump, 29W, 27L/min max, 5bar max pressure
- Pressure Tank: 400mL, 2bar operating, 3bar max
- Pressure Sensing: electronic pressure sensor with dial-gauge manometer
- Control Range: 0-2bar
- Disturbance Generation: software-activated solenoid valve
- Air Consumer: simulated by flow control valve
- Software: hardware/software integration (HSI)
- Connection: USB
Experiments
- Fundamentals of control engineering based on the example of a pressure control system with Pt1 behavior
- 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)
Construction and Design
The Pressure Control Training System NexuMation 69 is mounted on a housing that accommodates all the electronics. A pressure tank is charged with compressed air by a diaphragm gas pump. A dial-gauge manometer allows direct observation of tank pressure.
An electronic pressure sensor measures pressure. Its signal goes to the software controller, which adjusts the pump speed and hence the flow rate. A flow control valve simulates an air consumer. A solenoid valve, activated by the software, releases air to generate disturbance variables.
The experimental unit connects to the PC via a USB port.
Software
- Powerful state-of-the-art software, integral part of the training system
- Hardware/software integration (HSI)
- DAQ via USB
- Process schematic with controller type selection: manual, continuous controller, two or three-point controller, programmer
- Disturbance variable input
Q1. What does the pressure control training system teach?
It teaches the basic fundamentals of control engineering, using a pressure control system with Pt1 behavior as the example.
Q2. How is the tank pressurized?
A diaphragm gas pump rated 29W charges the tank with compressed air, up to a max flow rate of 27L/min and max pressure of 5bar.
Q3. How is pressure measured?
By an electronic pressure sensor, with a dial-gauge manometer for direct observation.
Q4. How are disturbances introduced?
A solenoid valve, activated by the software, allows air to escape from the system.
Q5. What is the pressure control range?
0-2bar, with a tank operating pressure of 2bar and max pressure of 3bar.
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