Level Control Trainer | NexuMation 62
The Level Control Trainer NexuMation 62 is an educational board with dual 5 Liter approx. vessels and sensors and actuators for level and flow. This level control trainer has an LVDT float switch level sensor, a 10 l/min water circulation pump, and ON/OFF and PID control circuits. Sensors, drivers, control circuits, and protection circuits are installed. Fixed supply is +15V -15V. Optional digital PID controller with data acquisition and PLC unit are available.
The Level Control Trainer NexuMation 62 contains an educational board with vessels and a set of sensors and actuators for level and flow. This level control trainer includes a control module with interface circuits and ON/OFF, proportional, integral and derivative (PID) control circuits.
Product Overview
The level control trainer contains an educational board with vessels. A set of sensors and actuators for level and flow is fitted on the board.
A control module contains the interface circuits for the sensors and the actuators. It also contains the ON/OFF and proportional integral and derivative control circuits (PID).
Sensors, control circuits, drivers, and protection circuits are installed. The user can maintain the liquid level manually through ON/OFF control. The user can also use a software PID control algorithm.
PID parameters are controllable and graph plotting is available.
Level Control Trainer NexuMation 62: Technical Specifications
| Parameter | Value |
|---|---|
| Fixed Supply DC | +15V -15V |
| Vessel | Dual 5 Liter approx. |
| Water Circulation Pump | 10 l/min |
| Piping | Plastic |
| Level Sensor | LVDT Float Switch |
| Flow Sensor | Direct Reading |
| Valves | Drain Solenoid Needle |
| Level Sensor Interface | Precision Rectifier and DC Amplifier with Offset and Gain Control |
| ON/OFF Control | Comparator with Hysteresis Control |
| Analog Source | 0 ~ +10V, 0 ~ ±10V |
| PID Controller | Proportional Integral & Differential Control with Feedback |
| Pump Driver | DC to PWM Driver with DC Level Offset Control |
| Solenoid Valve Driver | ON/OFF Control with Driver |
Programmable Logic Controller Unit: Technical Data
| Parameter | Value |
|---|---|
| Digital Inputs | 14 X 24V DC (Source/Sink) |
| Digital Outputs | 10 X 24V DC (Source) |
| Analog Inputs | 2 X Voltage Type |
| Analog Outputs | 2 X Voltage Type |
| Program Memory | 125KB |
| Programming Language | Ladder, STL & FBD |
Key Features
- Application: level control trainer for level and flow experiments
- Sensors: installed on-board
- Control Circuits: installed
- Drivers: installed
- Protection Circuits: installed
- Vessel: dual, 5 Liter approx.
- Pump: 10 l/min
- Level Sensor: LVDT Float Switch
- Control Modes: ON/OFF and PID
- PID Parameters: controllable, graph plotting available
Experiments
- Study of the Level Sensor
- Study of the Characteristics of the Pump and of the Solenoid Valve
- Study of the characteristics of the static process and of the time constants
- P, PI, PD and PID Closed Loop Control of the Level
Construction and Design
The Level Control Trainer NexuMation 62 has an educational board with vessels. The vessels are dual, approx. 5 Liter each. Plastic piping connects the circuit.
A water circulation pump delivers 10 l/min. The level sensor is an LVDT float switch. The flow sensor is direct reading. The valves are drain, solenoid, and needle types.
The level control trainer has a level sensor interface with a precision rectifier and DC amplifier. It has offset and gain control. The pump driver is a DC to PWM driver with DC level offset control. The solenoid valve driver provides ON/OFF control.
A fixed DC supply of +15V and -15V powers the trainer.
Software
- Digital PID Controller with Data Acquisition Unit / Interface Software (Optional)
- PID parameters controllable, graph plotting available
Scope of Delivery
- Educational board with vessels
- Control module
- Power Cords
- 2mm Patch Cords
- Experimental Manual
Optional Accessories
- Digital PID Controller with Data Acquisition Unit / Interface Software
- Programmable Logic Controller Unit
Q1. What does the level control trainer contain?
It contains an educational board with vessels, sensors and actuators for level and flow, and a control module with ON/OFF and PID control circuits.
Q2. How can the liquid level be maintained?
Manually through ON/OFF control, or through a software PID control algorithm.
Q3. Which closed loop experiments are included?
P, PI, PD and PID closed loop control of the level.
Q4. What level sensor and pump are used?
The level sensor is an LVDT float switch. The water circulation pump is rated 10 l/min.
Q5. Is a PLC available with the level control trainer?
Yes, as an optional Programmable Logic Controller Unit. It has 14 digital inputs, 10 digital outputs, 2 analog inputs, 2 analog outputs and 125KB program memory.
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