Process Control Multivariables System
Categories: Automation TechnologiesThe system has been developed to cover the following educational subjects included in an intense theoretical-practical training program, as follows:• Study of the sensors and relative signal condition...
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Description
The system has been developed to cover the following educational subjects included in an intense theoretical-practical training program, as follows:
• Study of the sensors and relative signal conditioners circuits for the process variables: Flow, Level, Temperature and Pressure.
• Study of the closed ring process control techniques. Study of the different process control ways: PID control with PLC, with Industrial PID controller, with PC data acquisition card and with datalogger.
The system has been carried out according to industrial criteria and with real industrial components. It is composed of the following elements:
• Process unit with the following sensors:
- Temperature: (Pt100, thermocouple-type J, PTC and NTC)
- Level: (piezometric and ON/OFF sensor )
- Flow: (turbine-type and ON/OFF magnetic sensor)
- Pressure: (piezometric and ON/OFF sensor)
• Control unit including:
- Signal amplifier modules
- Signal coupling circuits for the control of: temperature, level and flow and pressure.
TRAINING PROGRAM:
The system allows the theoretical analysis and the experiments on the following subjects:
• Detection of the characteristic curve of the transducers and the signal conditioning circuits for the temperature, flow, level and pressure sensors.
• Detection of the time constants of the processes.
• Analysis of the closed ring automatic control for flow, level, temperature and pressure: ON/OFF control mode and Proportional (P), Proportional Integral (PI), Proportional Derivative (PD) and Proportional Integral Derivative (PID) control mode.
• Analysis of the variables curves through the PID algorithm in the PLC, in the industrial PID controller (with autotuning function) and acquisition/control card for PC with dedicated software (supplied).
TECHNICAL SPECIFICATIONS:
Process unit
• Metal holder with Plexiglas vertical panel
• 3 tanks: lower one in stainless steel, 25 lt. capacity; upper one (Plexiglas column), 5 lt; side one in steel, 1 lt.
• Recirculation pump, 6 lt/min 12 V - 7A
• Manual valves
• 48 V 200 W water heater
• Safety thermostat
• 1 mercury glass thermometer (-20 °C a + 110 °C).
• 2 Proportional valves, bronze body 0-10 V
• 2 manometers 0-4 bar
• External unit connection with 4 mm diameter terminals and DIN connectors
• ON/OFF solenoid valve
• Flow sensors: 1 turbine-type, 1 magnetic-type for ON/OFF control
• Level sensors: 1 ON/OFF-type, 1 piezometric-type
• Temperature sensors: 1 Pt100-type, 1 thermocouple J-type, 1 PTC-type, 1 NTC-type.
• Pressure sensor: 1 piezometric-type, 1 ON/OFF-type
Control unit including:
- Signal amplifiers modules
- Signal conditioners circuits for the automated control of: temperature, level and flow and pressure.
- On board power supply: Output 1: 48 V~ / 5 A; fuse protection, Output 2: 24 Vdc/1 A, Output 3: -12 Vdc/1 A and +12 V/2 A, Output 4: 12 V / 7 A fuse protection; LED for voltage indication, ON/OFF Switch for the pump control, connection terminals to the modules to the process unit, 4 Potentiometers for the external set-points, ranges 0-10 Vdc/10 mA.
POWER SUPPLY
Power supply unit: 115/230Vac ±10% - 50/60Hz
quick overview :
The system has been developed to cover the following educational subjects included in an intense theoretical-practical training program, as follows:
• Study of the sensors and relative signal conditioners circuits for the process variables: Flow, Level, Temperature and Pressure.
• Study of the closed ring process control techniques. Study of the different process control ways: PID control with PLC, with Industrial PID controller, with PC data acquisition card and with datalogger.
The system has been carried out according to industrial criteria and with real industrial components. It is composed of the following elements:
• Process unit with the following sensors:
- Temperature: (Pt100, thermocouple-type J, PTC and NTC)
- Level: (piezometric and ON/OFF sensor )
- Flow: (turbine-type and ON/OFF magnetic sensor)
- Pressure: (piezometric and ON/OFF sensor)
• Control unit including:
- Signal amplifier modules
- Signal coupling circuits for the control of: temperature, level and flow and pressure.
TRAINING PROGRAM:
The system allows the theoretical analysis and the experiments on the following subjects:
• Detection of the characteristic curve of the transducers and the signal conditioning circuits for the temperature, flow, level and pressure sensors.
• Detection of the time constants of the processes.
• Analysis of the closed ring automatic control for flow, level, temperature and pressure: ON/OFF control mode and Proportional (P), Proportional Integral (PI), Proportional Derivative (PD) and Proportional Integral Derivative (PID) control mode.
• Analysis of the variables curves through the PID algorithm in the PLC, in the industrial PID controller (with autotuning function) and acquisition/control card for PC with dedicated software (supplied).
TECHNICAL SPECIFICATIONS:
Process unit
• Metal holder with Plexiglas vertical panel
• 3 tanks: lower one in stainless steel, 25 lt. capacity; upper one (Plexiglas column), 5 lt; side one in steel, 1 lt.
• Recirculation pump, 6 lt/min 12 V - 7A
• Manual valves
• 48 V 200 W water heater
• Safety thermostat
• 1 mercury glass thermometer (-20 °C a + 110 °C).
• 2 Proportional valves, bronze body 0-10 V
• 2 manometers 0-4 bar
• External unit connection with 4 mm diameter terminals and DIN connectors
• ON/OFF solenoid valve
• Flow sensors: 1 turbine-type, 1 magnetic-type for ON/OFF control
• Level sensors: 1 ON/OFF-type, 1 piezometric-type
• Temperature sensors: 1 Pt100-type, 1 thermocouple J-type, 1 PTC-type, 1 NTC-type.
• Pressure sensor: 1 piezometric-type, 1 ON/OFF-type
Control unit including:
- Signal amplifiers modules
- Signal conditioners circuits for the automated control of: temperature, level and flow and pressure.
- On board power supply: Output 1: 48 V~ / 5 A; fuse protection, Output 2: 24 Vdc/1 A, Output 3: -12 Vdc/1 A and +12 V/2 A, Output 4: 12 V / 7 A fuse protection; LED for voltage indication, ON/OFF Switch for the pump control, connection terminals to the modules to the process unit, 4 Potentiometers for the external set-points, ranges 0-10 Vdc/10 mA.
POWER SUPPLY
Power supply unit: 115/230Vac ±10% - 50/60Hz
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