Expression editor options
The following table shows options in the
Expression Editor
.Options | Description |
|---|---|
If | Click this button to display the list of If-Then-Else syntax elements for a conditional expression. Select one to return it to the Expression box. Use the operator, tag and alarm buttons to provide those elements, or the keyboard where necessary. |
Logical | Click this button to display the logical operators: AND , OR , NOT . |
Relational | Click this button to display the relational operators: < , <= , > , >= , <> , == . |
Arithmetic | Click this button to display the arithmetic operators: + , - , * , / , % , ** . |
Bitwise | Click this button to display the bitwise operators: & , | , ^ , >> , << , ~ . |
Functions | Click this button to display the list of built-in functions. |
Tags | Click this button to navigate to and select a tag. |
Alarms | If you are using a tag alarm and event function, click this button to open the Alarm Source Browser and browse for an alarm source to use with it.For more information about the alarm source browser, see the FactoryTalk Alarm and Event Help. |
Servers | Click this button to browse and select a server of the currently open application. |
Check Syntax | Click this button to check the syntax of the expression you created. |
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