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So I am new here and new to the world of OPC. I run a tomato farm, but was a software engineer in my previous life. I am using Opto controllers to automate my greenhouse and irrigation systems. Their out off the box HMI solutions aren't quite what I am looking for. I want to build my own web ui using html/javascript. I have seen at least one solution that tunnel tags/etc through the web server (http://www.opcsystems.com/products/opc_web_controls_net.php). It works very well, but will likely prove cost prohibitive given the tag restrictions. A simple RESTful service pulling data from my OPC Server accessible from web client javascript is "all" I need. Am I asking too much? I could write this myself, but it seems like there has to be something out there either open source or cost effective. All input is greatly appreciated.
I did see a similar thread, but is was 5 years old...
I did see a similar thread, but is was 5 years old...