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AVEVA™ Communication Drivers

ASCII File Items

  • Last UpdatedAug 29, 2024
  • 1 minute read

An:e[/b]

An:x-y

n represents the file number (NOT optional) and must be 3 - 999 decimal.

e specifies the element number within the ASCII file. It must be 0 - 999 decimal. Each element in an ASCII file contains two ASCII characters.

b is optional. If specified, it indicates the bit (0 - 15 decimal).

x and y also specify element numbers. In this form, the item is an ASCII string occupying element x through element y. Each element contains two ASCII characters: the first character is the high-order byte and the second is the low-order, and so on.

Note: If reading only one word as a two-character string, the range must be "x-x." For example, A20:3-3.

Examples:

A20:3

A10:0/0

A9:0-19 (40-character ASCII string)

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