node-opcua

node-opcua is an implementation of an OPC UA stack fully written in Typescript for NodeJS.

Node-opcua is the OPC-UA stack running on NodeJS.

Why NodeJS ?

Because nodeJs is a great framework to design asynchronous applications.

Getting started

installing node-opcua as a node package

$ mkdir mytest
$ cd mytest
$ npm init 
$ npm install node-opcua --unsafe-perms
$ # create your first app.js file!

installing node-opcua samples as a node package

$ mkdir myserver
$ cd myserver
$ npm init
$ npm install node-opcua-samples --unsafe-perms
$ ./node_modules/.bin/simple_server

or

$ ./node_modules/.bin/simple_client  -e "opc.tcp://opcserver.mAutomation.net:4841" -n="ns=1;s=EVR2.system.RTC_SEC"

or

$ ./node_modules/.bin/simple_client  -e "opc.tcp://opcuademo.sterfive.com:26543" 

Minimum nodejs requirement

• nodejs version 10.23 or above

API Documentation

• check out the API documentation

tutorials and guided examples

Getting professional support

NodeOPCUA is developed and maintained by sterfive.com.

To get professional support, consider subscribing to the node-opcua membership community:

or contact sterfive for dedicated consulting and more advanced support.

❤️ Supporting the development effort - Sponsors & Backers

If you like node-opcua and if you are relying on node-opcua in one of your projects, please consider becoming a backer and sponsoring us, this helps us to maintain a high-quality stack and constant evolution of the stack.

If your company would like to participate and influence the development of future versions of node-opcua please contact sterfive.

Road-map

Those are the items we would like to achieve in the next version of the API.

• improved documentation
• Compliance testing and certification (CTT)
• Pub-sub support
• support for redundancy
• more tutorials

Advanced topics

installing node-opcua from source

running the demo server from source

 $ git clone https://github.com/node-opcua/node-opcua.git
 $ cd node-opcua
 $ npm install -g pnpm 
 $ pnpm install
 $ pnpm recursive install
 $ pnpm build
 $ node packages/node-opcua-samples/bin/simple_server

running the demo client from source

 $ git clone https://github.com/node-opcua/node-opcua.git
 $ cd node-opcua
 $ npm install -g pnpm 
 $ pnpm install
 $ pnpm recursive install
 $ pnpm build
 $ node packages/node-opcua-samples/bin/simple_client.js -e "opc.tcp://opcserver.mAutomation.net:4841" -n="ns=1;s=EVR2.system.RTC_SEC"

Tutorials

• create a server
• create a client in typescript

Contributing

$ git clone git://github.com/node-opcua/node-opcua.git
$ cd node-opcua
$ npm install -g pnpm 
$ pnpm install
$ pnpm recursive install
$ pnpm build

Supported Features

Feedback

• if you're using node-opcua in one of your project, please feel free to leave a comment and a quick description in the wiki

• if you have a particular wish or found a issue, let us known and create an issue