Building reliable Web SCADA interfaces

Web-based SCADA interfaces require more different approach, than regular web sites.

Why web SCADA?

Pros:

– a properly designed UI can be used on any operator’s device: a smartphone, a tablet, or a desktop computer. It can be opened on any embedded kiosk device with almost any OS inside (of course, unless this OS has a web-browser).
– using a proper front-end web server/web proxy and a proper ACL setup, the UI can be absolutely securely opened from any location.
– classic SCADA software requires skilled professionals, while the web UI can be updated / modified by any IT-engineer, who knows HTML and JavaScript.

Cons: web interfaces are unstable. Sometimes seriously unstable.

In this article we will give some tips about it, no matter which web interface is built for EVA ICS or any other IoT/IIoT platform.

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Future of EVA ICS

EVA ICS version 3 has become the most successful industrial IoT product of our company. It already has dozens of setups we support directly and I hope even more setups we don’t.

But the version 3 has a problem: because of the rapid numbers of customers and features growth, it’s internal architecture was changed several times almost from scratch, lots of stuff already became obsolete and too complicated for beginners.

Here are the plans for the EVA ICS codename “nextgen” (next generation):

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