Rockwell-automation 2711-ND3 PanelBuilder v2.60 Software User Manual Uživatelský manuál stáhnout pdf (Strana 191)

100

101

12–11Creating Bar Graphs, Indicators, Numeric Displays

Publication 2711-6.0

Decimal Point

A value may be stored as an integer, then scaled by the terminal so it

can be displayed as a decimal. See page 12–2 on scaling.

The Decimal Point area specifies whether a scaled value displays

with a fixed or floating point decimal.

32767 x (.0001) +94 =

SCALE

Scale = .0001

Offset = 94

Terminal Value=32767

Displayed Value=97.2767

• Select Fixed Point to position the decimal point 0 to 10 places to

the left of the rightmost character. A value of 0 displays a value

without a decimal point.

Select For this position Select For this position

0 97 6 97.276767

1 97.2 7 97.2767676

2 97.27 8 97.27676767

3 97.276 9 97.276767676

4 97.2767 10 9.7276767676

5 97.27676

Note: If Position is  0, then the field width must be 2 > decimal

position for positive numbers. One position is used for the digit to

the left of the decimal and one for the decimal point. For negative

numbers the field width must be 3 > decimal position.

For example, to display the number –0.1234, set the field width to

7 and the decimal position to 4.

• Select Floating Point to have the terminal position the decimal.

Read Tag

Specifies the name of the tag address from which to read the display

data. If the tag doesn’t exist, enter a tag name. Edit the tag

definition using the Edit Tag button or the Tag Editor.

Valid data types for the read tag are unsigned/signed integer, 4BCD

and floating point.

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