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03/06/2023
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Hi everyone!
I am writing an application in JavaScript. My application needs to communicate with an OPC XML DA server. Does anyone know an OPC XML DA client library for JavaScript that I could use? If so, please let me know.
Thanks!
05/30/2017
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I am not aware of an JavaScript implementation of XML DA.
XML DA is a 20 year old spec that never had much adoption.
It makes more sense to look at using OPC UA with HTTP+JSON Encoding if someone was going to invest in a JavaScript library.
06/10/2014
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There exists a solution to let you use your preferable language to access DA/AE/HDA, supporting JavaScript/Python/Java/C++/C#/Swift etc. In my opinion it gives 20 years old legacy OPC a second life and modernizes them in a secure and safe way. It also brings legacy OPC to mobile device much easily and natively. Most importantly you don't need any DCOM knowledge and worry free for any future DCOM vulnerability or hardening issue. Here is the link. Cheers!
03/14/2023
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jiyang.hu@aspentech.com said
There exists a solution to let you use your preferable language to access DA/AE/HDA, supporting JavaScript/Python/Java/C++/C#/Swift etc. In my opinion it gives 20 years old legacy OPC a second life and modernizes them in a secure and safe way. It also brings legacy OPC to mobile device much easily and natively. Most importantly you don't need any DCOM knowledge and worry free for any future DCOM vulnerability or hardening issue. Here is the link. Cheers!
Ok, thanks. I will try that code and if I still face any problem, I will message you. 🙂
. Actually, folks posted questions in issues section of GitHub and got quick responses from developer. Good luck!
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