From the course: PLC Memory Organization
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Data files: Part 2 - Ladder Logic Tutorial
From the course: PLC Memory Organization
Data files: Part 2
- [Instructor] Timer file four. This file stores the data for each timer instruction used in the latter logic program. Counter file five. This file stores the data for each counter instruction used in the latter logic program. Control file six. This file stores the data for specific instructions such as shift registers and sequencers. Integer file seven. This file is used to store whole number values or bit information. Let's say, for example, we want to store temperature and pressure values or mathematical operation constants. File eight. The floating-point file is used to store fractional numerical data. This comes in handy when dealing with math operations. This file applies to selected PLC processor types. Now files from nine up to 255 are called user-defined files and are used to create any file type from zero through eight. They are used to expand the number of data files available to the programmer if…
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