Alarm beacon and sounder
Ex d status or general-alarm (GA/PAGA) beacon with a guarded coloured lens on a shelf bracket, with an optional horn sounder on a stainless U-bracket below; each has a gland and a stopping plug in its second entry. colour picks the lens (red fire, amber gas, blue, green, white), flash sets the strobe rate; the lens is its own material so each beacon flashes independently.
Installation
Copies safety/alarm-beacon.tsx and the shared lib/ into src/components/deck-twin/. Needs three, @react-three/fiber and @react-three/drei. See installation for the manual route.
Usage
import { Canvas } from '@react-three/fiber'
import { OrbitControls } from '@react-three/drei'
import { Stage } from './components/deck-twin/lib/stage'
import { AlarmBeacon } from './components/deck-twin/safety/alarm-beacon'
export default function Scene() {
return (
<Canvas shadows camera={{ position: [8, 5, 9], fov: 35 }}>
<Stage>
<AlarmBeacon />
</Stage>
<OrbitControls makeDefault />
</Canvas>
)
}
Props
| Prop | Type | Default | Range |
|---|---|---|---|
colour | "red" | "amber" | "blue" | "green" | "white" | null | |
sounder | boolean | null | |
mount | "pole" | "wall" | null | |
height | number (m) | null | 0.8 – 5 |
flash | number (Hz) | null | 0 – 3 |
lit | boolean | null | |
tag | string | null | |
...group | position, rotation, scale… |
P&ID
On F&G and PA/GA layouts: a lamp symbol (circle with ×) with short light rays for the beacon, and a horn outline (trumpet) for the sounder, labelled with the colour and the GA / F&G status it shows.
Circle with × alone is a general lamp (lighting); the rays and colour note mark a status beacon. Sounders alone are a horn outline or a bell.
coloursoundermountheightflashtagTypical suppliers
E2S · Eaton MEDC · Pfannenberg. The geometry is generic and sized from public standards. It is not vendor CAD.
For agents
Machine-readable entry with props, ranges, defaults and ports:
Or fetch /r/alarm-beacon.json, or copy a ready-made instruction:
Add the Deck Twin "Alarm beacon and sounder" component to this project. Run `npx -y https://decktwin.com/cli/deck-twin-0.2.2.tgz add alarm-beacon` (it copies the file and the shared lib into src/components/deck-twin/), then `npx -y https://decktwin.com/cli/deck-twin-0.2.2.tgz info alarm-beacon` for its props, ranges and ports. Render <AlarmBeacon /> inside a React Three Fiber <Canvas shadows>, wrapped in <Stage> from src/components/deck-twin/lib/stage. Set props from my data (metres, NPS in inches, ASME class) and leave the rest at defaults. Install three, @react-three/fiber, @react-three/drei and @types/three if they're missing. Full guide: https://decktwin.com/skill/SKILL.md