National Instruments BridgeVIEW 用户手册

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页码 455
Glossary
© National Instruments Corporation
G-5
G
G
The graphical programming language used to develop BridgeVIEW 
applications.
group
See tag group or I/O group.
H
Help window
Special window that displays the names and locations of the terminals for 
a function or subVI, the description of controls and indicators, the values of 
universal constants, and descriptions and data types of control attributes. 
The window also accesses the Online Reference.
historical trend
A plot of data (values versus time) showing values that were previously 
acquired in the system or logged to disk.
Historical Trend Viewer 
(HTV)
A utility that accesses historical data from the Citadel historical database.
HMI G Wizard
A utility in BridgeVIEW that automates the process of generating HMI 
diagram code.
Human Machine 
Interface (HMI)
A graphical user interface for the user to interact with the BridgeVIEW 
system.
I
I/O Group
A set of related server items, all of which share the same server update rate 
and deadband.
icon
Graphical representation of a node on a block diagram.
icon pane
Region in the upper right corner of the Panel and Diagram windows that 
displays the VI icon.
input tag
A tag that accepts Real-Time Database values from a device server.
Input/Output (I/O) tag
A tag that accepts Real-Time Database values from a device server and 
sends values to the server.