eBook: Automating Manufacturing Systems; with PLCs
   



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14.5 SUMMARY


Program are given unique names and can be for power-up, regular scans, and faults.
Tags and aliases are used for naming variables and I/O.
Files are like arrays and are indicated with [].
Expressions allow equations to be typed in.
Literal values for binary and hexadecimal values are followed by B and H.
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