Articles on web-based SCADA, alarm management, field protocols and screen design.
Fundamentals 4 min read
In web-based SCADA, screens, alarms and configuration live on the server, and engineers and operators work in a browser. The architecture, what it changes and what to ask.
Alarm management 4 min read
One fault can set off hundreds of alarms within minutes. The common causes of alarm floods, and the ways to bring the alarm load back to what an operator can handle.
Protocols 5 min read
The two most common protocols between RTUs and the control center in power and water systems: data models, events and time stamps, security, and what decides the choice.
Screen design 3 min read
Gray backgrounds, few colors and indicators with context help operators notice abnormal situations. The core principles of the high-performance HMI approach.
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