Tag Editor 8.0.0 - 8.1.16

The Designer's Tag Editor was updated in version 8.1.17. The pages in the section contain documentation for the editor from versions 8.0.0 through 8.1.16

📄️ Tag Editor

The Tag Editor is robust interface that contains all the properties that can be configured for Tags. In the Tag Editor, you set the Tag's name, value, numeric and meta data properties, security, alarming, history, and more. For information an explanation on all possible tag configurations, see Tag Properties.

📄️ Tag Security Properties

Tag security is often the best way to configure security for data access. By defining security on a tag, you affect the tag across wherever it is used, as opposed to configuring component security on each component that displays or controls that tag.

📄️ Tag Scaling Properties

Configuring a Tag's scaling will condition the data for use within the Ignition Designer. Scaling will take the raw PLC value driving a Tag, do some math, and use the resulting value as the value of that Tag. Scaling works both ways. When you write to that Tag, Ignition will scale it in the opposite direction before writing to the PLC.

📄️ Tag Event Scripts

Scripts can be attached to Tags. When you edit a Tag, you can navigate to the Tag Events section and click on the Edit icon to see a list of all of the available events. Those events are

📄️ Tag Properties

Tags are points of data and may have static values or dynamic values that come from an OPC address, an Expression, or a SQL query. The values can be used on screens and in Transaction Groups. Additionally, Tags offer a core set of features above and beyond simple values, such as scaling, alarming, and history logging. Depending on the specific type of Tag, even more options are available. In general, Tags provide a common interface for tying together many types of data in Ignition.

📄️ Tag Alarm Properties

Alarm Property Reference

📄️ UDT Inheritance

Once you have a single data type created, it is possible to set up UDT inheritance where data types extend to other data types, to add additional members, or override default values. For example, you can create a new data type and using the inheritance feature it will inherit all Tags from the parent data type including the parameters. Then you can add additional Tags and/or override any settings in your new data type. UDT Inheritance is a way to extend to a class of data types to add more functionality to that class.