What port does OPC-UA use?

OPC-UA uses port 4840 by default.

Unknown

OPC Unified Architecture

Q: What is OPC Unified Architecture?

OPC Unified Architecture (OPC-UA) is a Application Layer protocol in the Industrial category. Platform-independent IIoT interoperability standard with built-in security, information modeling, and service-oriented architecture. Successor to OPC Classic for Industry 4.0.

Application Layer — Industrial

Protocol Overview

Full Name OPC Unified Architecture

Abbreviation OPC-UA

OSI Layer Application Layer

Category Industrial

Default Port 4840

About OPC-UA

Platform-independent IIoT interoperability standard with built-in security, information modeling, and service-oriented architecture. Successor to OPC Classic for Industry 4.0.

Application Layer Industrial Port 4840

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