Digital Alarms

 

A digital alarm sets an alarm if the comparison between the Alarm State Value and the input state is TRUE.

 

To Create a Digital Alarm:

  1. From the Project Explorer, click on Alarm Definitions, then Add Digital Alarm Definition, as shown below.

New Digital Alarm Definition from the Project Explorer

 

-OR-

 

Select the Alarm Definitions node in the Project Explorer, then click on the Add Digital Alarm Definition button (shown below) in the Edit section of the Home ribbon in the Workbench.

 

Add Digital Alarm Definition Button

  1. This opens the New Digital Alarm Definition properties in the right side of the configurator, as shown below. Each Limit Alarm Definition has specific parameters, as shown below.

Digital Alarm Properties

 

In the Digital Alarm Definition Properties dialog box, shown above, configure the following settings:

Digital Alarm Properties

Digital Alarm Subcondition

Note: It is not necessary to enter a message text or a base text. The Server will default to the OPC subcondition name and the OPC condition name.

  1. Click Apply to save your changes and Close to return to the Workbench.

See Also:

Alarm Definitions

Limit Alarms