TagRefresh Function

Introduction

Requests an immediate refresh of data using the Refresh Tag Command.

Informal Syntax:

TagRefresh( TagName )

Formal Syntax:

TagRefresh( TagName:=Expression )

Parameters

ParameterTypeDescription
TagNameANY_STRINGThe full name of the tag.

The TagRefresh function sends the Refresh Tag Command to the specified tag.

Return value

None.

Further Information

Operator Actions

To learn where you can use this function.

Structured Text Function Call

To learn about calling a function from IEC 61131-3 structured text.

IEC 61131-3 Expressions

To learn about the different types of expression to use as function parameters.

Glossary

For definitions of the terms used in Fernhill SCADA.