Define discrete field attribute options
- Last UpdatedJul 19, 2024
- 2 minute read
The following properties are part of the Discrete Field Attribute:
|
Editor Option |
Description |
|---|---|
|
Name |
The name property of the Field Attribute. |
|
Attribute type |
The type property of the Field Attribute. |
|
Category |
The attribute category property of the Field Attribute. |
|
Initial state |
The initial state of the Field Attribute. If the Field Attribute is configured as Output, the Field Attribute value is set to FALSE. If the Field Attribute is configured as Input or InputOutput, the Field Attribute value is determined by the state of the input value. |
Note: An Attribute name that starts with an underscore is defined as a hidden attribute. Hidden attributes do not appear in Attribute Browser, Object Viewer, or the Attributes tab from the Properties box. Object Viewer and the Attributes tab from the Properties box provides the option to view hidden Attributes. To show hidden attributes, go to the Galaxy menu, click Properties, select the Attributes tab, and select Include hidden.
The following options are available for a Discrete attribute:
|
Editor Option |
Associated Attribute |
Description |
Runtime Access |
|---|---|---|---|
|
Access mode |
AccessMode |
The read/write capabilities for the object. Valid values are Input, InputOutput, and Output. |
None |
|
Description |
Desc |
By default, the Field Attribute description is used for alarm and event comments, as well as historization. If you configure a description for the history extension, this description is used instead. String limit to 256 characters. |
Read-Only |
|
Invert |
InvertValue |
If enabled, the Field Attribute value is inverted when reading from the input source and when writing to the output destination. |
Read-Only |
|
Generate event upon value change |
LogDataChangeEvent |
If enabled, data change events for the Field Attribute will be logged to event history. |
Supervisory, User |