Flow Control Trainer | Prozessi PX 15
The Flow Control Trainer, Prozessi PX 15, is a tabletop setup for studying flow control principles. It includes a supply tank with pump, DP transmitter, orifice meter, pneumatic control valve, and I/P converter, along with a digital indicating controller with Ethernet communication. The Flow 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 Flow Control Trainer, Prozessi PX 15, is designed for understanding the basic principles of flow control using a complete pneumatic and electronic control loop. This Flow Control Trainer allows students to study open loop and closed loop control, tuning methods, and SCADA based monitoring of water flow.
Product Overview
The Flow Control Trainer, Prozessi PX 15, consists of a supply water tank fitted with a pump for water circulation. A DP transmitter is used for flow sensing, measuring differential pressure across an orifice meter. The process parameter, flow, is controlled by a microprocessor based digital indicating controller which manipulates a pneumatic control valve through an I/P converter. The control valve is fitted in the water flow line. 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.
Flow Control Trainer, NexuMation 59 — Technical Specifications
| Parameter | Specification |
|---|---|
| Product | Flow control trainer |
| Product code | Prozessi PX 15 |
| Type of Control | SCADA |
| Control Unit | Digital indicating controller with Ethernet communication |
| Diff. Pressure Transmitter | Type Capacitance, two wire, Range 0 to 200 mm, Output 4 to 20 mA sq. root |
| 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 |
| Supply Tank | SS304 |
| Flow Measurement | Orifice meter |
| 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 |
Differential Pressure Transmitter
| Parameter | Value |
|---|---|
| Type | Capacitance, two wire |
| Range | 0 to 200 mm |
| Output | 4 to 20 mA sq. root |
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 |
Supply Tank
| Parameter | Value |
|---|---|
| Material | SS304 |
Flow Measurement
| Parameter | Value |
|---|---|
| Method | Orifice meter |
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 Flow 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 Flow Control Trainer, Prozessi PX 15, is built around a supply water tank fitted with a pump for water circulation. The DP transmitter, orifice meter, I/P converter, and pneumatic control valve are fitted in the water flow line. These units, along with the necessary piping, are mounted on a support housing designed for tabletop mounting. This construction supports the Flow 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
- DP transmitter
- Orifice meter
- I/P converter
- Pneumatic control valve
- Digital indicating controller with Ethernet communication, Model UT35
- 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 Flow Control Trainer help students understand?
A: It is designed for understanding the basic principles of flow control using a pump, orifice meter, DP transmitter, and pneumatic control valve.
Q2: How is flow measured in this trainer?
A: Flow is measured using a DP transmitter which senses differential pressure across an orifice meter.
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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