Use the software to create a LAD that illustrates the operation counter for a given application.

Apply latching principle to start and stop a motor using simple logic blocks in FBD and LAD

Use latching principle to start and stop a motor using RS relay in FBD and LAD

Justify the safety reasons behind using NC push button to stop the motor instead of NO pushbutton with the aid of circuit diagram and LAD

Identify the relay contacts and coil terminals of the replay with the aid of circuit diagram

Identify the status of relays contacts (open / close) in a reversible motor control circuit with the aid of circuit diagram

Program the PLC to display a message on the PLC display unit using the ‘message text’ block. Use LAD/FBD to display the message.

Create a LAD and describe the circuit diagram for starting and stopping a motor in an unsafe stop method when using NO stop pushbutton.

Create a LAD and describe the circuit diagram for starting and stopping a motor in a safer stop method when using NC stop pushbutton.

Carry out a practical activity to control a motor rotation using Interlocks. The motor is connected to the PLC using a relay. Use the PLC and software available in the workshop to conduct the activity.

Create a LAD and describe the circuit diagram for starting and stopping a motor in an unsafe stop method when using NO stop pushbutton.

Create a LAD diagram and describe the circuit diagram for starting and stopping a motor in a safer stop method when using NC stop pushbutton. In your description, Justify the safety reasons behind using NC push button to stop the motor instead of NO pushbutton with the aid of circuit diagram and LAD.

Take a clear photo of the pin diagram that identify the coil terminals and contacts assignment of the relay used in the circuit.

Refer to the below internal wiring diagram for an OMRON 12 VDC relay and answer the following question: Fill in the table provided below by writing the assigned numbers of each input and output.

For the three scenarios provided in the table below, identify the status of relay contacts (open/close) in a reversible motor control circuit by drawing the relay contact’s status in the empty spaces. The relay symbol is provided below.

Wire the LOGO! as shown in Figure 1. Connect the motor to the two relays. Note that the relay connection depends on the type you use. Refer to the pin diagram on the relay for its specification. Use both the hardware (Figure 1) and software interlock for safety.

Test the functionality of the circuit using a program created using the LOGO!Soft Comfort. Apply latching principle to start and stop a motor using simple logic blocks in FBD and LAD.

Test the functionality of the circuit using a program created using the LOGO!Soft Comfort. Apply latching using RS latching in FBD and LAD.

Derive the Boolean expressions for the output in forward and reverse directions.

Analyze and design an automatic door control system using the four implementation sequence steps.

Create the inputs assignment list.

Create the outputs assignment list.

Write the ON requirements of the outputs.

Derive the Boolean expressions from the ON requirements above.

Based on the system requirement table select the appropriate LOGO! controller from the devices list.

Create your LAD or FBD using the LOGO!Soft Comfort to implement the conditions listed above.