Enhance plant security through alarm redundancy

The InTouch Distributed Alarm system issues notifications and receives alarm acknowledgments from applications running on remote nodes within a network. Alarm provider applications store alarm data within their memory. Alarm consumer applications run as clients on other nodes to remotely query, show, and acknowledge alarms from the alarm providers.

You use the Alarm Hot Backup Manager to create a duplicate alarm provider. The following figure shows how the Hot Backup Manager uses a secondary current alarm repository as a backup provider.

You can also run the Hot Backup Manager and the backup provider on the same node, as shown in the following figure: