Some of the information in the Data File 2 can be modified and some of them are read only.There must only be ONE Data File 2 per processor.Here are some key characteristics of Data File 2. Data File 2 gives you an insight on the status and health of your PLC processor and its operating system / kernel. This article is about Data File 2 (Process Status File). As an analogy, imagine a drawer with 256 file folders and each file is your data file.ĭefault data file are created from 0 to 8 when you create a new program (assign process file name). It is basically a way for the PLC to organise its data so that user PLC logic can quickly and efficiently access the data. In PLC5 and SLC500, data are stored/organised in what they call as Data File. For the rest of us, we can use this article as a Wiki/Dictionary for RSLogix500 SLC Status. Make sure you are online with the controller if you have that setup.
It would be easier to follow if you have a RSLogix500 connected to a PLC. I am publishing this just as a reference for all. I don’t take credit for all these documents as they are straight from the RSLogix500 Help File. This one is going to be a very detail look into the RSLogix500 SLC Status mainly highlighting what each of the register means and how to use it to debug your logic.
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