Rockwell Automation 9301 Series RSView32 Users Guide - Manual (Page 522)

Creating expressions
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14–9
Using tag placeholders instead of tag names
The Graphic Display editor accepts tag placeholders instead of tag
names. Placeholders allow you to use the same display with a variety of
tags.
You can use tag placeholders in the same way you use tag names. A tag
placeholder is the cross–hatch character (#) followed by a number
from 1 to 500. For detailed information about placeholders, see
Chapter 11, Creating graphic displays.
Constants
A constant can have any of the following formats:
integer (123)
floating point (123.45)
scientific notation (1.2345E2)
string constant (“character string”)
the symbol “pi”. RSView32 ™ replaces the symbol with its numeric
value.