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Node-RED nodes for Straton Data-Server

This package node-red-contrib-straton contains nodes to easily connect to a Straton runtime data-server from Straton Automation.

Using these nodes, you can connect to a Straton runtime data-server to read and write application and system variables.

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Installation

Install using the managed palette from inside Node-RED.

In Node-RED (preferred)

  • Via Manage Palette -> Search for node-red-contrib-straton

In a shell

  • go to the Node-RED user data directory, e.g.: ~/.node-red
  • run npm install node-red-contrib-straton --save

Usage - Quick Overview

- Straton Read

Connects to a WebSocket and subscribes to one or several straton variables.

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- Straton Write

Connects to a WebSocket and writes value of a straton variable. Each time a message is coming in, the configured variable will be written

write.png

- Straton Websocket

Connects to a WebSocket and subscribes to one or several straton variables. Additionally, it can send other commands when a message is coming in.

There will be an output for each subscribed variable. Each time the value of a variable is changed, a message with value will be sent on the corresponding output.

An additional output will send message with the result of the command sent

websocket.png

- Straton Command

Sends a data-server command to its output when receive a message. This node should be used in conjunction with Straton Websocket.

cmd.png

Documentation

Each node has it's own help/documentation available in the help window.

A more complete user guide is available here

Licenses

MIT License

Copyright (c) 2022 Straton Automation

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

About

Copyright © 2020-2022 Straton Automation. All rights reserved.

https://straton-plc.com