Top "Opc-ua" questions

The Open Platform Communications (OPC) Unified Architecture (UA), released in 2008, is a platform independent service-oriented architecture that integrates all the functionality of the individual OPC Classic specifications into one extensible framework.

Difference Between OPC UA and OPC DA?

Please explain what is the Difference Between OPC UA and OPC DA ? In which condition which one should be used, …

Read More
opc opc-ua
OPC UA : minimal code that browses the root node of a server

I am using the OPC UA Foundation SDK to develop a small client. What would be the minimal C# code …

Read More
c# opc opc-ua
Adding an OPC UA Server to .NET application

I have a C# application that communicates with a process instrument over ethernet. I want to add an OPC UA …

Read More
c# .net opc scada opc-ua
OPC UA protocol vs MQTT protocol

I would like to compare OPC UA vs MQTT on basis of the general characteristics of both the protocols such …

Read More
protocols communication mqtt iot opc-ua
Alternative to OPC-UA

Is there any decent alternative to OPC-UA as a solution for accessing process data of a system composed of various …

Read More
mqtt plc opc scada opc-ua
OPC UA Subscriptions and Notifications

I'm having trouble with OPC UA Subscriptions and Notifications in the ANSI C stack. OPC UA Part 4, Service says: 5.13.1 Subscription …

Read More
opc opc-ua
What is namespace in OPC-UA?

I am novice to OPC Unified Architecture world and I'm studying it from basics. What exactly are namespaces and why …

Read More
opc-ua