Gets or sets the value that a shared variable value must change in the specified time to trigger the Rate of Change alarm. To use this property, you must install the LabVIEW Datalogging and Supervisory Control Module.

Note You can enable alarming only for network-published shared variables.

This property is similar to the Level/Change option on the Alarming page of the Shared Variable Properties dialog box.

Remarks

The following table lists the characteristics of this property.

Short Name Alarming.ROC.Change
Data type cdbl.png
Permissions Read/Write
Available in Run-Time Engine No
Available in Real-Time Operating System No
Settable when the VI is running Yes
Loads the front panel into memory No
Need to authenticate before use No
Loads the block diagram into memory No
Remote access allowed Yes