You will then see the Online Data Operation Window. Online Write and Read Option, Image by Paul Hunt Step 1) Once connected to the PLC, you will use the Online pulldown menu or the associated quick keys to select what you would initially like to do. Note: Setting up the connection from GX Works 3 to Mitsubishi PLCs was covered in my previous write-ups here and here. The focus of this submission will be downloading, uploading, and some associated steps and tools. If you know where to look, GX Works3 will also show you ladder differences graphically as well. Like any other popular PLC programming software, you can upload and download to the processor as well as other typical tools like compare or verify. The same setup was used in the previous Mitsubishi PLC series which includes the preceding (pre-requisite) document with step-by-step on how to connect. In this walk-thru we'll look at downloading and uploading to Mitsubishi FX5 and iQ-R controllers.
