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Abbreviations
1.9.
The following is a list of abbreviations associated with COM600 that you should be
familiar with. See also 1.8, Terminology.
Description
Abbreviation
Alarms and Events
AE
Application Service Data Unit
ASDU
Buffered Report Control Block
BRCB
Data Access
DA
Data Message Code Definition
DMCD
Data Object
DO
Gateway, component connecting two communication networks together
GW
Web Human Machine Interface
WebHMI
International Electrotechnical Commission
IEC
Intelligent Electronic Device
IED
Local Area Network
LAN
Logical Device
LD
Logical Node
LN
Network Control Center
NCC
Norwegian User Convention
NUC
Object Linking and Embedding
OLE
OLE for Process Control
OPC
Protection & Control
P&C
Programmable Logic Controller
PLC
Program Organization Unit
POU
Request To Send
RTS
Substation Automation
SA
Substation Configuration Description
SCD
Substation Configuration Language
SCL
Sequential Function Chart
SFC
Single Line Diagram
SLD
Simple Network Management Protocol
SNMP
Simple Network Time Protocol
SNTP
Report Control Block
RCB
Unbuffered Report Control Block
URCB
eXtended Markup Language
XML
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1MRS758690
COM600 series 5.0
Master Protocols (Ethernet) and Applications Technical Refer-
ence Manual
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