Unknown
OPC Unified Architecture
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://ipfyi.com/iframe/entity//" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://ipfyi.com/entity//Add a dynamic SVG badge to your README or docs.
[](https://ipfyi.com/entity//)Use the native HTML custom element.
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