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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