Look at the ladder logic diagram, how simple it is. X0,X1,X2,… Xn while the outputs are represented by Y0,Y1,Y2,…Yn. In Fatek PLC the inputs are represented by FBS-14 means that this PLC has 8 inputs and 6 outputs. The total numbers of inputs which are available are 8 and the total numbers of outputs which can be controlled using the Fatek FBS-14 are 6. So, currently, we can only control 4 loads using these 4 switches. For 12 volts you can use a 12v adaptor or you can make your own power supply using LM7812 voltage regulator.įour switches S1 to S4 are connected with the Fatek PLC inputs X0 to X3. As these relays need 12 volts, so, that’s why C0 and C1 are connected with the 12 volts. Different type of loads can be connected with these relays. In this project the electrical loads are controlled using the buttons.Ĥ SPDT “Single Pole Double Throw” type relays are connected with the PLC output contacts Y0 to Y3. This project is very famous among the B-Tech students and in some engineering colleges this project if offered as the Final Year Engineering Project. This is the simplest beginner’s level project that I can think of. After, I am sure I have explained enough things then I will start explaining some complex level projects. I will start with the very simple projects and I will try to keep things simple. I would appreciate your support in this way!įollowing are the PLC ladder logic programming examples. I may make a commission if you buy the components through these links. IR adjustable infrared Proximity Sensor 2v to 24V: Without any further delay let’s get started!!! I highly recommend you read these articles. In this article I am not going to explain how to run a simulation or how to add a contact and how to add comments because I have already explained these things in my previous articles, you can find links in the related projects section. If you are new to the PLC programming, then I highly recommend first read my previous two articles in which I have explained the very basics like for example These ladder logic diagrams are developed for the Fatek PLC FBS-14. I will start with the very basic ladder logic diagrams so that you can easily understand how to write complex ladder logic programs. The PLC ladder logic programming is really easy as compared to the Arduino or any other microcontroller programming. PLC Ladder Logic Programming examples- The PLC ladder logic programming examples that I am about to share with you guys will really help you in developing complex ladder logic diagrams. PLC Ladder Logic Programming Examples, Description:
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