PLC, Programmable Logic Controller, programmable logic controller, can control various types of machinery or production processes through digital or analog input and output. At present, Mitsubishi PLC is used in some university laboratories.
A working computer
Installed with Mitsubishi PLC programming software GX Developer
First go to the download center of Mitsubishi's official website to download Mitsubishi PLC's programming software GX Developer, the latest version is 8.86. As shown below. After downloading and installing, you need a serial number. If you have a Mitsubishi PLC, you can apply for a serial number. If you use it for learning, you can search online.
After the installation is complete, open the software GX Developer
Open "Project-Create New Project" in the menu bar, and the "Create New Project" window will pop up, and you can select PLC type, program type and set project name. This article chooses FX2N of FX series, ladder diagram. Click "OK" to return to the main window and start writing the ladder program
Then you can start to write PLC ladder diagram program. We can find the corresponding input and output symbols in the toolbar, click to add to the program editor, or double-click the left button in the editor to enter the corresponding symbol
After writing a simple program, you can click "Transform-Transform" in the toolbar, or you can right-click in the editor and click the bottom transform
If there is an error in the program, a prompt window will pop up during conversion, saying "There is a ladder diagram that cannot be converted, please correct the ladder diagram at the cursor position
After the correction program is confirmed to be correct, change, and then click "Tools-Program Check" in the toolbar, and the "Program Check" window will pop up, in which you can perform "instructions, double coils, ladder diagrams, soft components and consistency" Check, click "After execution" to check, after checking, a prompt will be given in the information window below
After the program is checked and there is no error, you can click "Online-PLC Write" in the toolbar to start PLC online debugging