You can start by adding tags (“label names”) before doing any programming. How you choose to continue, of course, is optional. In my example I'll be working with one of the newer processors available, FX5U (part of the iQ-F series). Regardless of how they are referred to, you'll want to understand the basic construct of the various commonly used types in the PLCs you use, and in this article I'll cover several of the data types, access types, and ranges that can be set in a Mitsubishi PLC and GX Works3 project.įor this article I'll start by starting a new project, but you can also start with a previous project and change the processor type under the Project drop-down menu. Sometimes they may be referred to differently depending on the platform, such as in one platform a floating point data type may be refereed to as a REAL, whereas in another it may be refereed to as a FLOAT. As a PLC programmer or troubleshooter, you're already be aware of certain things such as data types.
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