Rockwell-automation FactoryTalk Historian SE 3.0 Live Data Interface U Uživatelský manuál stáhnout pdf (Strana 37)

Chapter 6

I/ORates Tag Configuration

An I/ORates tag measures the throughput of an FTLD Interface. In

particular, the value of an I/ORate point represents a 10-minute average of

the total number of values per minute that the FTLD Interface sends to the

FactoryTalk Historian server. Because values are averaged over a 10-

minute interval, the first calculated value is not written to the Historian

server earlier than 10 minutes after the interface has started. You can

configure one I/ORates tag for each copy of the FTLD Interface that is in

use.

The Historian system documentation often uses the terms Event Counter Tag

and I/ORate Point synonymously.

Monitoring I/ORates Tag on the Interface Node

For Windows nodes, the 10-minute rate averages (in events/minutes) can

be monitored with a client application such as PI ProcessBook.

Configuring I/ORates Tag with ICU

The Interface Configuration Utility (ICU) provides a user interface for

creating and managing the I/ORates tag.

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Rockwell-automation FactoryTalk Historian SE 3.0 Live Data Interface U Uživatelský manuál Strana 37