System errors, System events, Attributes – National Instruments BridgeVIEW User Manual

Page 433: Static, Require, String tag

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Glossary

© National Instruments Corporation

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BridgeVIEW User Manual

static attributes

Tag attributes that require the BridgeVIEW Engine to be restarted if they
are edited or reconfigured. Examples of static attributes are general
attributes and I/O connection attributes, such as server, device, or item.
See also dynamic attributes.

string tag

An ASCII character representation of a connection to a real-world
I/O point.

structure

Program control element, such as a Sequence, Case, For Loop, or
While Loop.

subVI

A VI called on the diagram of another VI.

supervisory control

Control in which the control loops operate independently subject to
intermittent corrective action.

system developer

The creator of the application software to be executed in the BridgeVIEW
Run-Time System.

System errors

Errors that happen in the BridgeVIEW system, like a server going down.
System errors are displayed in a dialog box, on the Engine User Interface,
and also are logged in a syslog file.

System events

Events that occur in the BridgeVIEW system, like an operator logging on
or a utility starting up. System events are logged in a syslog file.

T

tag

A connection to a real-world I/O point or a memory variable. Tags can be
one of four data types: analog, binary, discrete, or string.

tag attributes

Parameters pertaining to a tag, like its alarm, limits, or Engineering Units.
Tag attributes are configured in the Tag Configuration Editor but can be
changed dynamically using the Tag Attributes VIs.

Tag Browser

A utility to view the configuration parameters of a tag, as configured in the
Tag Configuration Editor.

Tag Configuration Editor A utility to configure various parameters of a tag, such as connection

information, scaling, or logging.

tag group

A set of tags primarily used for reporting and acknowledging alarms. A tag
can be associated with only one tag group. All tags belong to the group

<ALL>

by default.

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