About SCADA Grid Wallboard
A utility dispatch centre reduced to its video wall: buses, breakers and transmission lines drawn as a single-line mimic in saturated strokes on black, frequency and system load trending beside it, a fixed-column alarm list scrolling underneath. Colour here is state, not decoration — closed breakers red, open green, warnings yellow, de-energised plant grey.
It is the legacy EMS convention that high-performance-HMI reformers argue against, and that argument is the point: this is the artefact as built, a 24/7 console read across a room by people who already know what every stroke means. Nothing hides behind hover. Nothing softens into a card.
- Origin
- Transmission and distribution control rooms worldwide; North American breaker colour convention
- Era
- 1990–2020; descended from CRT-era mimic boards and 16-colour graphics consoles
- Key figures
- Ricardo Olsen
- Movements
- SCADA and energy management systems · Single-line diagram drafting practice · Control-room human factors
SCADA Grid Wallboard design spec
Colors
Typography
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