3 Terms, definitions, and abbreviations ToC Previous Next

3.47 Abbreviations ToC Previous Next

Symbol Definition
A&E Alarms and Events
AMQP Advanced Message Queuing Protocol
API Application Programming Interface
COM Component Object Model
DA Data Access
DCS Distributed Control System
DDS Data Distribution Service
DX Data Exchange
HDA Historical Data Access
HMI Human-Machine Interface
LDAP Lightweight Directory Access Protocol
MES Manufacturing Execution System
MQTT Message Queue Telemetry Transport
OPC OPC Foundation (a non-profit industry association) formerly an acronym for “OLE for Process Control”. Acronym no longer used.
PLC Programmable Logic Controller
SCADA Supervisory Control And Data Acquisition
SOAP Simple Object Access Protocol
UA Unified Architecture
UADP UA Datagram Protocol
UDDI Universal Description, Discovery and Integration
UML Unified Modelling Language
WSDL Web Services Definition Language
XML Extensible Markup Language
XMPP Extensible Messaging and Presence Protocol

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