Possible Demonstrations:
Function ofdifferential pressure valves, idle-speed control device and idle-mixtureadjusting screw.
Shifting ofair-flow sensor plate
Displacementof control plunger.
Flow control loop setup
Stop valve in the inlet section
Water as the working medium, supply via base module
Ready-to-install compact panel assembly
Optional cascade control in conjunction
Rotameter with scale.
Primary circuit with electrically heated tank, pump control valve, rotameter
Secondary circuit with fresh water connection, temperature transducer, rotameter
Experimental unit for control engineering experiments
Control valve: electromagnetic proportional valve
Digital industrial controller, freely parameterisable
Large process schematic on front panel
Temperature control with plate heat exchanger and 2 water circuits
Process variables X and Y accessible as analogue signals via lab jacks
Ball valve to generate disturbance variables in fresh water circuit
Plate heat exchanger, 30 plates.
Flow measurement by paddle-wheel sensor
Generation of disturbance variables by ball valve with scale in pipe section outlet
Experimental unit for control engineering experiments
Flow control in a pipe section
Process variables X and Y accessible as analogue signals via lab jacks
Digital industrial controller, parameterisable as a P, PI or PID controller
Large process schematic on front panel
Rotameter to visualise the flow
Control valve: electric control valve.
Features:
All moving parts Finished to close Tolerance
Spindle Ram is made out of Alloy Steel.
Column, Arm, Work Head And Gears are made out of Closed Grain.
Parts Finished on imported Grinding Machine
Parts Properly Balanced
Prior Assembling of Main Gear And Pully.
Control of pH value and oxygen concentration in transparent tank
Control of redox potential in collecting tank
Control of water parameters; pH value, redox potential, oxygen concentration and electrical conductivity
3 industrial metering pumps
Change in oxygen concentration by injection of compressed air
4 parameterisable industrial controllers
6-channel line recorder
Control of conductivity in transparent tank with stirrer
Change in conductivity, pH value and redox potential by addition of caustic soda, sulphuric acid and iodine solution
3 plastic tanks for caustic soda, sulphuric acid and iodine solution
Recording of pH value in collecting tank.
Circuit with pump for operation of the water jet pump
Level control with pneumatic control valve as actuator
Pressure control with pneumatic control valve in the circuit for operation of the water jet pump
Coupled level and pressure control in one vacuum tank
Level controller and pressure controller configurable and parameterisable with software
Water circuit with vacuum tank, collecting tank, pump and ambient air input device
Water jet pump to generate a negative pressure in the vacuum tank.
The board is supplied complete with a set of stackable, plug-in cables of suitable lengths and colours and with a training manual. This board includes a small oven with a heating element and three temperature sensors (thermocouple, thermistor, and thermo-resistance) with relevant interface circuits. Complete with error amplifier that can be configured for on-off or proportional control, and with a piloting circuit of the power stage with triac.
Power supply: 24Vac, 1A, 50/60Hz and 15Vdc, 100mA
Experiments:
Analysis of the operation of a proportional control
Analysis of the operation of an on-off control
V = f (t°) characteristics of a thermocouple, with relevant linearization, of the thermistor and of the thermo - resistance.
Digital controller, parameterisable as a P, PI or PID controller
2 pH value sensors in transparent measuring tanks with overflow
Product tank and 2 chemicals tanks
Trainer for control engineering experiments
pH value control process, equipped with standard industrial components
Water connection with control valve and rotameter
Corrosion-resistant piping system
Hand-held pH-meter for product control
Neutralisation of a caustic solution with an acid
2 metering pumps: adjustable manually or via controller
Process variables X and Y accessible as analogue signals via lab jacks
2-channel line recorder.
The board is supplied complete with a set of stackable, plug-in cables of suitable lengths and colours and with a training manual.
Together with the board, that contains the power circuits complete with relevant piloting, it is possible to realize an open and closed loop control both of the lighting system (24V, 15W lamp and photoresistor) and of the heating system (47, 25W heating element and integrated circuit sensor).
This board contains two independent systems, for the control of the light and of the temperature respectively, each one complete with reference block, error amplifier, transducer and actuator.
Power supply: 15Vdc, 100mA
Experiments:
Full-wave triac control
Proportional control
AC operated lamp
DC operated lamp.
Construction of a pressure control loop
2 pressure tanks with safety valves
Direct pressure indication by 2 manometers
Ready-to-install compact panel assembly
Compressed air as working medium, supply via base module
Valve permits series configuration of both pressure tanks
2 valves: 1x drain, 1x vent
Copper piping
Series configuration of pressure tanks: investigation of coupled controlled system response compared Single-tank operation.
Level control with transparent tank
Level-controlled tank with overflow and graduated scale
Level measurement by pressure sensor
Experimental unit for control engineering experiments
Large process schematic on front panel
Process variables X and Y accessible as analogue signals via lab jacks
Generation of disturbance variables by ball valve with scale in outlet
Control valve: electromagnetic proportional valve
Multi-functional digital industrial controller.
Control valve: electro-pneumatic control valve
Digital industrial controller, parameterisable as a P, PI or PID controller
Large process schematic on front panel
Experimental unit for control engineering experiments
Generation of disturbance variables by needle valve
2 Manometers
Process variables X and Y accessible as analogue signals via lab jacks
Pressure control of a 2nd order controlled system with 2 pressure tanks
Pressure measurement by pressure sensor.
Function of the high-pressure pump, distribution, injection control and quantity control.
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Flow measurement by rotameter with electrical output
Generation of disturbance variables by ball valves with scale
Tank with overflow and scale
Experimental unit for control engineering experiments
Level and flow control individually, and cascaded
Large process schematic on front panel
Key process variables accessible as analogue signals at lab jacks
Level measurement by pressure sensor
Control valve: electromagnetic proportional valve
2 digital industrial controllers, parameterisable as P, PI or PID controllers, cascade.
Proportional action controller suitable for the closed loop continuous control systems.
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Electric heater with thermostat and dry-running protection
Direct temperature display at heater outlet with bimetallic thermometer
Construction of a temperature control loop
Primary circuit with heater and heat exchanger, connected to water supply of base module
Flow of primary circuit controlled by hand-operated valve
Ready-to-install compact panel assembly
Secondary circuit of heat exchanger connected to laboratory water supply
Heater is either an actuator or a continuous heater
Plate heat exchanger, operating in counter-flow or parallel-current mode.
The board is supplied complete with a set of stackable, plug-in cables of suitable lengths and colours and with a training manual.
Together with the board, that contains the power circuits complete with relevant piloting, it is possible to realize an open and closed loop control both of the position system (geared motor coupled to a potentiometer) and of the speed system (variable load generator dc motor with optical transducer associated to an F/V converter).
This board contains two independent systems, for the control of the position and of the speed respectively, error amplifier, each one complete with reference block, transducer and actuator.
Power supply: ± 15Vdc, 100mA
It is provided with an input summing point to which the reference variable (non inverting input) and the controlled variable (inverting input) are connected. Two position controller for discontinuous closed loop control systems. The controller is provided with two binary outputs at different voltages. By means of two led the binary state of the controller, whose hysteresis can be changed, is visualized.
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Trainer for control engineering experiments
Temperature measurement with thermocouples at multiple points
Generation of disturbance variables by ball valve with scale in water circuitv
Screw-in heater with dry-running protection and temperature limiter Air/water heat exchanger with fan
Process variables X and Y accessible as analogue signals via lab jacks
Thyristor power controller as actuator
Digital controller, configurable as switching or continuous controller
2-channel line recorder
Temperature control process, equipped with standard industrial components
Water circuit with pump, heater and 2 different lengths of process delay.
