I have a Siemens 1200 PLC. Using node-opcua client and Kepserver I am able to read the variables and to change the values. Now I would like to create a new variable in the PLC from Node-OPCUA in Ke...

Node v16.14.2 Node-OPC-UA v2.75.0 Hi, I'm currently running into a problem when reading large ExtensionObjects from a S7-1500 with Custom DataTypes. At the first read process of those ExtensionObje...

I am using the node-opcua library to build an OPC UA client. I have use the basic example to connect to an OPC-UA server (prosys OPC-UA simulation server), but now I would like to make my client su...

I have been reading around the internet for a good explanation of what a node is in OPC-UA. It seems there are libraries out there for it, but none actually explain nodes. What is the purpose of no...

A very basic question I'm sure. I have made the client and the server from the examples on http://node-opcua.github.io/. The example demonstrates reading the variables but not how to write. Thank...

I am learning node opc-ua and have followed the example provided in the GitHub page for the sample_server.js and simple_client.js. In the sample_server I add a variable when constructing the addre...