Terminology - ABB COM600 series Data Historian Operator's Manual

1MRS756739
1.6.
COM600 series, Version 5.0
Data Historian Operator's Manual
The caution icon indicates important information or warning
related to the concept discussed in the text. It might indicate
the presence of a hazard which could result in corruption of
software or damage to equipment or property.
The information icon alerts the reader to relevant facts and
conditions.
The tip icon indicates advice on, for example, how to design
your project or how to use a certain function.

Terminology

The following is a list of terms associated with COM600 that you should be familiar
with. The list contains terms that are unique to ABB or have a usage or definition that
is different from standard industry usage.
Term
Alarm
Alarms and Events; AE
Data Access; DA
Data Object; DO
Data Set
Device
Event
Intelligent Electronic Device
Logical Device; LD
Description
An abnormal state of a condition.
An OPC service for providing information about alarms and
events to OPC clients.
An OPC service for providing information about process data to
OPC clients.
Part of a logical node object representing specific information,
e.g., status or measurement. From an object-oriented point of
view a data object is an instance of a class data object. DOs are
normally used as transaction objects; i.e., they are data struc-
tures.
The data set is the content basis for reporting and logging. The
data set contains references to the data and data attribute val-
ues.
A physical device that behaves as its own communication node
in the network, e.g. protection relay.
Change of process data or an OPC internal value. Normally, an
event consists of value, quality and timestamp.
A physical IEC 61850 device that behaves as its own commu-
nication node in the IEC 61850 protocol.
Representation of a group of functions. Each function is defined
as a logical node. A physical device consists of one or several
LDs.
9