Property

Description

Group

Select group for the script.

Subgroup

Select subgroup for the script.

Name

Name of the script.

Comment

Optionally specify a meaningful comment.

Background color

Background color of the screen for developing script using FBD language. It's not affect on script execution.

Script type

Select type of the script:

▪General - is tied to the whole project.

▪Screen - is tied to the screen.

▪Tag - is executed depending on tag's value.

▪Object - is tied to the object.

▪Report - is tied to the report.

Language

Choose language for the script - FBD or ST. Description of the language you can find below in this document.

Dimension

Screen's dimension for developing script using FBD language. It's not affect on script execution.

Every cycle

Check Every cycle if you want this ST script is executed every update period of the project. You can find out this period in Project properties (Update interval(ms)).

Execution

Choose it if you want to use ST script and don’t want it’s executed every cycle:

•OnDataChange -  script is executed when tag’s values used in this script are changed.

•OnStart(OnOpen, OnCreate) -  script is executed when project is started (for general script type) or screen is opened (for screen script type) or object is created (for object script type).

•OnStop(OnClose, OnDestroy) -  script is executed when project is stopped (for general script type) or screen is closed (for screen script type) or object is destroyed (for object script type).

•OnClick - script executed when screen is clicked (for general and screen script types) or object is clicked (for object script type)