Assalamu Alaikum Wa Rahmatullah, I hope everyone is well, I am also well by the grace of Alhamdulillah. I will now write a few words related to the topic of this contest. As much as I have an idea about the subject, I will try to give the maximum. I hope everyone will like this post and my expression. So let's get started without delay.
A. What is meant by ladder diagram PLC programming? Draw a ladder diagram and explain.
 I have drawn a ladder here: |
|---|
Ladder diagram is a programming language, it is a PLC that is used. And this is a graphical programming method. It looks like an electric circuit. It is used in industrial automation systems.
| Characteristics of Ladder Diagram:- |
|---|
- Displays the functions of electronics devices such as switches, lights, sensors.
- It's basically empty.
- Each ladder diagram has a momentum at the top, and a ground rail at the bottom.
| Example of ladder diagram: |
|---|
- A system where there is a start switch and a stop switch, when the start switch is pressed, a motor will start, and if the stop switch is pressed, the motor will stop."
B. Write the work by drawing the symbols of the input and output elements of the ladder diagram.
| Normal Open Contract:- |
|---|
It is in the open state, used for the start button. Pressing the Start button turns on the output. Closes after certain conditions are met.
| Normal Closed Contract:- |
|---|
It is in the closed state, used in the case of closed buttons. Pressing the stop button stops the output. It opens after certain conditions are met.
| Coil: |
|---|
It is used to turn on or off output devices, motors, lights. Turns on only when a logical condition is met.
| Timer:– |
|---|
Used to turn on the output as needed at a specific time.
C. Draw the ladder diagram with three input ladder logic gates (AND, OR) and explain with practicals. [With symbols and truth tables]
AND gate :-
[1] [2] [ 3] input contact
output
Truth Table
| Input A | Input B | Input C | And Output |
|---|---|---|---|
| 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 0 |
| 0 | 1 | 0 | 0 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 0 | 0 |
| 1 | 0 | 1 | 0 |
| 1 | 1 | 0 | 0 |
| 1 | 1 | 1 | 1 |
OR gate :-
[1] [2] [ 3] input contact
output
Truth Table
| Input A | Input B | Input C | Or Output |
|---|---|---|---|
| 0 | 0 | 1 | 0 |
| 0 | 1 | 0 | 0 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 0 | 0 |
| 1 | 0 | 1 | 0 |
| 1 | 1 | 0 | 0 |
| 1 | 1 | 1 | 1 |
D. Convert the electrical wiring in the figure below into a ladder diagram.
The steps to convert the electrical wiring diagram into a ladder diagram are presented below:-
The power supply should be presented in two vertical lines.
Each horizontal line represents a control circuit.
Input devices, buttons, switches, etc. should be presented on the left side of each color.
Output device coil, relay, etc. should be presented on the right side of each color.
E. Solar power is generated in your home with three 12-volt 100 AH batteries. An additional 12-volt 100 AH battery needs to be connected as your home's electrical load increases. Explain the series and parallel connection of four batteries with diagrams.
The series and connection of four 12 volt 100 Ah batteries are explained below:-
- Series connection: Here the batteries are connected to each other. Connected from one positive terminal to another negative terminal.
:- Voltage 12 + 12 + 12 + 12 = 48 volts
Ampere hours will remain unchanged.
- Parallel connection: Here the positive terminals of the batteries are connected.
And at the same time the negative terminal is connected. However, ampere hours are added even if the voltage remains unchanged.
:- The voltage will remain unchanged.
Ampere hour: -100 + 100 + 100 + 100 = 400 ampere hours.
In this great competition, I think everyone has the best. By participating, their talent and creativity can be revealed. There is no harm in participating, but there is a small gain. So I'm inviting some of my friends here. They are.
| Count | My Steemian Friends |
|---|---|
| 1 st | @chant |
| 2nd | @suboohi |
| 3rd | @muzack1 |
Upvoted! Thank you for supporting witness @jswit.
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Upvoted 👌 (Mana: 2/6) Get profit votes with @tipU :)
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Your Learning Challenge essay is very well-organized. I really want to participate in the Learning Challenge competition,But I am completely inexperienced in this matter, but I will try my best to participate here.
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