BS-PLC Modular System for the Study of Sensors with PLC Control

GUIDED PRACTICAL EXERCISES INCLUDED IN THE MANUAL

Practical exercises with PLC-BS2:

1. How to use the Curie effect as application of a high temperature thermostatic controller.
2. Adjustable bimetallic thermostat. To use the bimetallic thermostat as a temperature controller, calculating its hysteresis.
3. Adjustable bimetallic thermostat. How we can reduce the hysteresis by adding a resistor to the heating circuit.
4. To use the thermostat based on a bimetallic sensor to control the temperature.
5. To use the capillary thermostat.
6. Using the analog inputs and outputs of the PLC to read and write analog signals.
7. Read the temperature sensor signal with the PLC.
8. Manual control of the actuator through the PLC.
9. PID control of the temperature value through the PLC.
10. Observe the effects of the temperature control to changes in the PID parameters.

1. Use of linear positioning sensor (potentiometer) to detect the displacement produced by a diaphragm expansion caused by the air pressure.
2. Use of a LVDT as an element to measure the diaphragm distortion that is consequence of the pressure inside the pressure chamber.
3. Differential pressure sensor with hole-board system. Use of a differential pressure sensor of the semiconductor type to measure the pressure fall in a hole-board system.
4. Strain gauges. To detect objects using an infrared sensor by light beam interruption.
5. Measure the pressure in the chamber, using two different types of sensors (manometric and absolute pressure sensor).
6. Strain gauges for measuring deformations: their resistance changes as the diaphragm expands due to the pressure coming from the pressure chamber.
7. Using the analog inputs and outputs of the PLC to read and write analog signals.
8. Read the pressure sensor signal with the PLC.
9. Manual control of the actuator through the PLC.
10. PID control of the pressure value through the PLC.
11. Observe the effects of the pressure control to changes in the PID parameters.

1. To measure the water volume produced by an underwater pump in the module using an optical flow sensor.
2. To use a high-resolution optical flow sensor to measure low flow volumes.
3. Pressure level sensor. To use a differential pressure sensor to measure the liquid level in one of the tanks.
4. Differential pressure sensor. To measure the pressure-fall in themodule hole board system, as a necessary parameter todetermine volume.
5. To measure the flow volume generated by the underwater pumpusing a flow meter of changeable area.
6. To obtain the flow-volume value in the secondary tank using the Vnarrowing weir.
7. Using the analog inputs and outputs of the PLC to read and write analog signals.
8. Read the flow sensor signal with the PLC.
9. Manual control of the actuator through the PLC.
10. PID control of the flow value through the PLC.
11. Observe the effects of the flow control to changes in the PID parameters.

1. Heating element. Raise the oven internal temperature, over the environmental temperature, using a heating element to do tests and practices related with temperature measurement.
2. To use a fan as refrigerating element of the oven.
3. To use thermocouples as temperature sensors elements inside the oven. Temperature measurement using a thermocouple.
4. To measure temperature inside the oven using a platinum resistance thermometer.
5. To measure temperature inside the oven using a thermistor temperature sensor.
6. Temperature measurement using a thermistor, based on its negative temperature coefficient.
7. To obtain the temperature value inside the oven using a semiconductor sensor (diode).
8. Using the analog inputs and outputs of the PLC to read and write analog signals.
9. Read the temperature sensor signal with the PLC.
10. Manual control of the actuator through the PLC.
11. PID control of the temperature value through the PLC.
12. Observe the effects of the temperature control to changes in the PID parameters.

1. To use a capacitive sensor to measure the liquid level in the tank.
2. To use the differential pressure sensor as an element to determine the water level in a tank.
3. To use a changeable resistance fixed to a float system as a liquid level measurement element.
4. Conduction Sensor. Use of a sensor made up of to steel electrodes to measure the water level of a tank.
5. Magnetic float level sensor. It detects a precise liquid level in the tank with a magnetic contact.
6. Control of the module left tank liquid level using an optical level sensor.
7. Using the analog inputs and outputs of the PLC to read and write analog signals.
8. Read the tachometer signal with the PLC.
9. Manual control of the actuator through the PLC.
10. PID control of the angular speed value through the PLC.
11. Observe the effects of the angular speed control to changes in the PID parameters.

1. DC Motor. Provide the group of sensors of the "BS-7" module fixed to the central axle of the equipment with movement power.
2. DC Tachometer. To use a DC motor as a tachometer to measure the revolutions of the "BS-7" module central axle.
3. Inductive Sensor.
4. Retroreflective optical sensor. To measure the central axle revolutions of the module using a light reflection optical sensor.
5. To obtain the central axle speed value using a slot optical sensor through light interruption.
6. To obtain the central axle speed value using a Hall-effect position sensor.
7. To measure the central axle revolutions of the module using the encoder.
8. Using the analog inputs and outputs of the PLC to read and write analog signals.
9. Read the tachometer signal with the PLC.
10. Manual control of the actuator through the PLC.
11. PID control of the angular speed value through the PLC.
12. Observe the effects of the angular speed control to changes in the PID parameters.

1. Proportional valves. To control electronically the vertical displacement of a double effect pneumatic piston using proportional valves.
2. Differential pressure sensor. To use a pressure sensor for measuring the pressure difference between both pneumatic piston air inlets.
3. Pneumatic switch. To deflect the air flow using a pneumatic switch.
4. LVDT Linear Displacement Sensor. To measure pneumatic piston displacement using an excitation and DC output LVDT.
5. Using the analogs input and outputs of the PLC to read and write analog signals.
6. Read the position sensor signal with the PLC.
7. Manual control of the actuator through the PLC.
8. PID control of the cylinder position through the PLC.
9. Observe the effects of the position control to changes in the PID parameters.

1. Study of the equivalent electrical circuit of a photodiode. Study the V-I characteristic of a photodiode.
2. Study of the normal operation mode of a photodiode. Study the "ON/OFF" operation (light switch) of a phototransistor.
3. Measurement of light intensity using a solar cell.
4. Study of the properties of light dependent resistors (LDR).
5. Study of the operation of IR sensors.
6. Using the analog inputs and outputs of the PLC to read and write analog signals.
7. Read the light sensor signal with the PLC.
8. Manual control of the actuator through the PLC.
9. PID control of the light intensity value through the PLC.
10. Observe the effects of the light intensity control to changes in the PID parameters.