Rockwell-automation 2711-ND3 PanelBuilder v2.60 Software User Manual Manual de usuario Pagina 181

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Publication 2711-6.0
Creating Bar Graphs, Indicators,
Numeric Displays
Bar graphs, indicators and numeric data displays show a numeric
value or a graphic representation of data stored at a controller tag
address. This chapter contains the following sections:
Section Page
Helpful Hints 12–1
Scaling Data 12–2
Error States 12–3
Bar Graphs 12–4
Numeric Data Displays 12–9
Multistate Indicators 12–12
List Indicators 12–18
When creating bar graphs, indicators and displays, consider:
Indicators reading a value do not have a “dead band” in which a
range of values are interpreted as a single state. For most
applications, the controller ladder logic should allow a range of
values above and/or below the specified value for each state to be
interpreted as the same state.
Multistate indicators support up to 2,000 states or entries
(numbered 0-1,999).
List indicators support up to 255 states or entries (numbered
0-254).
For multistate or list indicators, use only the number of states or
entries required by the application.
Multistate indicators include an error state (State E). The error
state notifies an operator that the data read isn’t within the
expected ranges.
Chapter
O
bj
ectives
H
elpful
H
ints
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