Abbreviations - ABB COM600 series User Manual

1MRS752278
1.9.
COM600 series, Version 5.0
IEC 60870-5-103 Master (OPC) User's Manual
Term
Data Set
Device
Event
Intelligent Electronic Device
Logical Device; LD
Logical Node; LN
OPC
OPC item
Property
Report Control Block

Abbreviations

Abbreviation Description
AE Alarms and Events
DA Data Access
DO Data Object
GW Gateway, component connecting two communication networks together
WebHMI Web Human Machine Interface
IEC International Electrotechnical Commission
IED Intelligent Electronic Device
LAN Local Area Network
LD Logical Device
LN Logical Node
Description
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, for example, 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.
The smallest part of a function that exchanges data. An LN is
an object defined by its data and methods.
Series of standards specifications aiming at open connectivity
in industrial automation and the enterprise systems that support
industry.
Representation of a connection to the data source within the
OPC server. An OPC item is identified by a string <object
path>:<property name>. Associated with each OPC item are
Value, Quality, and Time Stamp.
Named data item.
The report control block controls the reporting processes for
event data as they occur. The reporting process continues as
long as the communication is available.
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