Open Automation Software
Moving Data From Anywhere to Anywhere

Frequently Asked Questions – .NET Alarm

.NET Alarm

Go to Configure-Options-History and Enable History Date Format.


yyyy-MM-dd HH:mm:ss

MM/dd/yyyy HH:mm:ss

Make sure to Unblock the dlls before copying to C:Program Files (x86)Open Automation SoftwareOPC Systems.NET.

To Unblock the files copy to a trusted location for your system, Desktop works well, then right click on the file and select Properties to select Unblock.  Then copy from your Desktop to C:Program Files (x86)Open Automation SoftwareOPC Systems.NET.

Yes, go to Configure-OPC Alarm and Event Servers using the Configure OAS application to define each A&E OPC Server to subscribe to.

Use the GetAlarmDataTable method to return a DataTable object with all alarms and the values for each property of an alarm.

Include the following in References as Local Copy:

  • C1.Win.C1FlexGrid2.dll
  • OPCAlarmControl.dll
  • OPCSystemsInterface.dll