Monitor system tags from within intouch HMI software

The overall health of an AVEVA Historian is monitored continuously by a dedicated system driver. Critical system variables (throughput rates, errors, remaining disk space, and so on) and timing counters are acquired by the system driver and stored in the same manner as plant tags. This driver allows remote monitoring of the current and historical state of the Historian, and alerts users to problems in the system.

For more information on the system tags, see About system driver and system tags.

For example, you can write an InTouch application that monitors the Historian system health tags. Monitoring the overall health by means of system tags is done from the "top" of the system, ensuring that each layer of the system is working properly, from the acquisition layer up through the Historian: