
UniInt Interface User Manual 77
Historian Tags
The following table lists the required UniInt Failover Control Historian tags, the values they
will receive and comments.
Active ID Input Tag
Exdesc:
[UFO_ACTIVEID]
Updated by the
redundant Interfaces
Values range between 0
and the highest of the
Interface Failover IDs
(typically 2)
The Active ID Input Tag must be configured as
a valid input Historian tag for the interface and
it must be configured to read the Active ID point
on the data source.
Consult the Interface User‟s manual for a
description of configuring input tags.
The exdesc must start with the case sensitive
string: [UFO_ACTIVEID]
Active ID Output Tag
Exdesc:
[UFO_ACTIVEID]
Updated by the
redundant Interfaces
Values range between 0
and the highest of the
Interface Failover IDs
(typically 2)
The Active ID Output Tag must be configured
as a valid output Historian tag for the interface
and it must be configured to write to the Active
ID point on the data source.
Consult the Interface User‟s manual for a
description of configuring output tags.
The exdesc must start with the case sensitive
string: [UFO_ACTIVEID]
Heartbeat 1 Input Tag
Exdesc:
[UFO_HEARTBEAT:1]
Updated by the Interface
on IF-Node1
Values range between 0
and 31
The Heartbeat 1 Input Tag must be configured
as a valid input Historian tag for the interface
and it must be configured to read the Heartbeat
1 Point on the Data Source.
Consult the Interface User‟s manual for a
description of configuring input tags.
The exdesc must start with the case sensitive
string: [UFO_HEARTBEAT:1]
The value following the colon (:) must be the
Failover ID for the interface running on IF-
Node1. In this example, the Failover ID is 1.
Heartbeat 1 Output Tag
Exdesc:
[UFO_HEARTBEAT:1]
Updated by the Interface
on IF-Node1
Values range between 0
and 31
The Heartbeat 1 Output Tag must be
configured as a valid output Historian tag for
the interface and it must be configured to write
to the Heartbeat 1 Point on the Data Source.
Consult the Interface User‟s manual for a
description of configuring output tags.
The exdesc must start with the case sensitive
string: [UFO_HEARTBEAT:1]
The value following the colon (:) must be the
Failover ID for the interface running on IF-
Node1. In this example, the Failover ID is 1.
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