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AVEVA™ InTouch HMI

IOGetActiveSourceName() Function

  • Last UpdatedFeb 22, 2017
  • 1 minute read

The IOGetActiveSourceName() script function returns whether an access name currently uses its primary or secondary data source.

Typically, the IOGetActiveSourceName() function is included in a script associated with button or another window object. Operators then select the object from an application window to request the status of the application’s I/O Servers.

Category

Miscellaneous

Syntax

Result=IOGetActiveSourceName("AccessName");

Argument

AccessName

The existing Access Name for which to return the source name.

Remarks

IOGetActiveSourceName() returns a string that indicates whether the primary or secondary nodes of an Access Name are being actively polled. Possible return values of the IOGetActiveSourceName() function are:

Primary

The primary node of the Access Name is actively polled.

Secondary

The secondary or failover node of the Access Name is actively polled.

Null

Both the primary and secondary nodes of an Access Name are inactive.

Example

In this example, the ActiveServer message tag is assigned the returned value (Primary, Secondary, or Null) that identifies the current active node of the ModbusPLC1 Access Name.

ActiveServer = IOGetActiveSourceName ("ModbusPLC1");

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