Level Control Trainer | Prozessi PX 16
The Level Control Trainer, Prozessi PX 16, is a tabletop setup for studying level control principles. It includes a supply tank with pump, level transmitter, transparent acrylic process tank, pneumatic control valve, and I/P converter, along with a digital indicating controller with Ethernet communication. The Level Control Trainer supports ON-OFF, PID, and auto tuning studies along with SCADA based monitoring. All components are mounted on a compact support housing for tabletop use.
The Level Control Trainer, Prozessi PX 16, is designed for understanding the basic principles of level control using a transparent process tank and pneumatic control valve. This Level Control Trainer allows students to study open loop and closed loop control, tuning methods, and SCADA based monitoring of liquid level.
Product Overview
The Level Control Trainer, Prozessi PX 16, consists of a supply water tank fitted with a pump for water circulation. The level transmitter used for level sensing is fitted on a transparent process tank. The process parameter, level, is controlled by a microprocessor based digital indicating controller which manipulates a pneumatic control valve through an I/P converter. The pneumatic control valve adjusts the water flow into the tank. These units, along with the necessary piping, are fitted on a support housing designed for tabletop mounting. The controller can be connected to a computer through an Ethernet port for monitoring the process in SCADA mode.
Level Control Trainer, NexuMation 60 — Technical Specifications
| Parameter | Specification |
|---|---|
| Product | Level control trainer |
| Product code | 313A |
| Type of Control | SCADA |
| Control Unit | Digital indicating controller with Ethernet communication, |
| Level Transmitter | Type Electronic, two wire, Range 0 to 250 mm, Output 4 to 20 mA |
| I/P Converter | Input 4 to 20 mA, Output 3 to 15 psig |
| Control Valve | Type Pneumatic, Size 1/4 inch, Input 3 to 15 psig, Air to close, Characteristic Linear |
| Rotameter | 10 to 100 LPH |
| Pump | Fractional horse power, type submersible |
| Process Tank | Transparent, acrylic, with 0 to 100 percent graduated scale |
| Supply Tank | SS304 |
| Air Filter Regulator | Range 0 to 2.5 kg/cm2 |
| Pressure Gauge | Range 0 to 2.5 kg/cm2 (1 No), Range 0 to 7 kg/cm2 (1 No) |
| Overall Dimensions | 550W x 475D x 520H mm |
| Support Table | 800W x 800D x 750H mm |
Technical Data
Control Unit
| Parameter | Value |
|---|---|
| Type | Digital indicating controller with Ethernet communication |
| Model | UT35 |
Level Transmitter
| Parameter | Value |
|---|---|
| Type | Electronic, two wire |
| Range | 0 to 250 mm |
| Output | 4 to 20 mA |
I/P Converter
| Parameter | Value |
|---|---|
| Input | 4 to 20 mA |
| Output | 3 to 15 psig |
Control Valve
| Parameter | Value |
|---|---|
| Type | Pneumatic |
| Size | 1/4 inch |
| Input | 3 to 15 psig |
| Action | Air to close |
| Characteristic | Linear |
Rotameter
| Parameter | Value |
|---|---|
| Range | 10 to 100 LPH |
Pump
| Parameter | Value |
|---|---|
| Type | Fractional horse power, submersible |
Process Tank
| Parameter | Value |
|---|---|
| Material | Transparent acrylic |
| Scale | 0 to 100 percent graduated |
Supply Tank
| Parameter | Value |
|---|---|
| Material | SS304 |
Air Filter Regulator
| Parameter | Value |
|---|---|
| Range | 0 to 2.5 kg/cm2 |
Pressure Gauge
| Parameter | Value |
|---|---|
| Range 1 | 0 to 2.5 kg/cm2, 1 No |
| Range 2 | 0 to 7 kg/cm2, 1 No |
Key Features
- Control Modes: ON-OFF and PID operation
- Loop Tuning: Open and closed loop tuning
- Tuning Method: Auto tuning supported
- Analysis: Stability analysis
- Monitoring: SCADA study on this Level Control Trainer
- Communication: MODBUS communication
- Mode: Simulation mode available
Experiments
- Study of open loop (manual control)
- Study of on/off controller
- Study of proportional controller
- Study of proportional integral controller
- Study of proportional derivative controller
- Study of PID controller
- Tuning of controller (open loop method)
- Tuning of controller (closed loop method)
- Tuning of controller (using auto tuning)
- Study of stability of the system (Bode plot)
Construction and Design
The Level Control Trainer, Prozessi PX 16, is built around a supply water tank fitted with a pump for water circulation. The level transmitter is fitted on a transparent process tank, and the pneumatic control valve, operated through an I/P converter, adjusts water flow into the tank. These units, along with the necessary piping, are mounted on a support housing designed for tabletop mounting. This construction supports the Level Control Trainer in both manual and SCADA controlled modes.
Software
Specially developed SCADA software is provided which helps in learning the principles of control. Different experiments can easily be selected and studied. The software is easy to use, flexible, and includes features like data access, trend plots, data logging, printing, and data export.
Scope of Delivery
- Supply water tank with pump
- Level transmitter
- Transparent acrylic process tank with graduated scale
- I/P converter
- Pneumatic control valve
- Digital indicating controller with Ethernet communication,
- Rotameter
- Air filter regulator
- Pressure gauges
- Support housing with piping
- SCADA software
Required for Operation
- Electric supply: 230 +/- 10 VAC, 50 Hz, 1 phase
- Water supply: Distilled water at 10 liters
- Air supply: Clean, oil and moisture free air, pressure 2 bar, consumption 50 LPH
- Computer with standard configuration
- Support table: 800W x 800D x 750H mm
Q1: What does the Level Control Trainer help students understand?
A: It is designed for understanding the basic principles of level control using a level transmitter, pneumatic control valve, and transparent process tank.
Q2: How is level measured in this trainer?
A: Level is measured using an electronic, two wire level transmitter fitted on the transparent process tank, with a range of 0 to 250 mm.
Q3: How is the control valve operated?
A: The pneumatic control valve is operated through an I/P converter, which converts the 4 to 20 mA controller output into a 3 to 15 psig pneumatic signal.
Q4: Can the trainer be monitored remotely?
A: Yes, the controller can be connected to a computer through an Ethernet port for monitoring the process in SCADA mode.
Q5: What software is provided with the trainer?
A: A specially developed SCADA software is provided, offering data access, trend plots, data logging, printing, and data export.
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