X Foam · Edge-vision instrument
Catch foam before it reaches the edge
X Foam watches the surface of a tank and measures how much of it is foam, how close that foam is to the lip, and which way it is heading. It runs on the tank and writes to a Modbus register. The camera measures; your PLC keeps every interlock and decides what to do.
Overflow prevention
Coverage, edge distance, and trend, before the spill
An operator can tell a tank is about to foam over by looking at it. X Foam does the same read, continuously, and puts a number on it. It separates foam from water on the surface and reports coverage from 0 to 100 percent, how close the foam front is to the overflow lip, and whether it is rising or settling.
That moves overflow from something you react to into something you see coming. The instrument advises an antifoam dose; the PLC holds the interlock and decides whether to act. The camera measures, and your control system stays in charge of the tank.
40001 · What it measures
Four readings your PLC can act on
Each is written to a Modbus holding register, continuously, so the control system reads foam like any other level.
- Surface coverage
- Continuous 0 to 100 percent foam cover, frame by frame.
- Edge proximity
- How close the foam front is to the overflow lip.
- Trend
- Direction and rate: rising toward the edge, or settling back.
- Advisory dose
- A recommended antifoam action. The PLC keeps the interlock.
cam → edge → 40001 → plc
The camera measures; your PLC decides and actuates
- 1 cam · FIELD OF VIEW
Camera
A fixed camera looks down at the tank surface. Power and a network drop are all it needs.
- 2 edge · SEGMENTATION
On-device inference
A segmentation model separates foam from water on the device and measures the coverage, the edge distance, and the trend.
- 3 40001 · WRITE
Modbus registers
Coverage and its trend are written to Modbus TCP holding registers, continuously, with an advisory dose alongside.
- 4 plc · ACTUATE
Your PLC / DCS
The PLC reads the registers, keeps every interlock, and decides whether to dose. The foam settles back below the line.
No server. No cloud. No GPU rack.
Datasheet
What a controls engineer needs to scope it
| Measures | Foam surface coverage (0–100%), edge proximity, trend |
|---|---|
| Output | Modbus TCP holding registers (4–20 mA optional) |
| Vision | Neural segmentation; foam separated from water by colour and texture |
| Control | Advisory only; the PLC keeps every interlock |
| Compute | On-device at the edge, no cloud and no GPU rack |
| Network | Power and a network drop; offline-capable, nothing leaves site |
| Mounting | Self-contained camera, fixed over the tank |
| Relocation | Moves between tanks in minutes; no routine maintenance |
Running in the field
Watching tanks around the clock
X Foam runs at an Australian process plant, watching tanks around the clock. It reports coverage and trend to the control room and advises a dose while the PLC keeps the interlock. It moves from one tank to another in minutes, so a single instrument can cover the tank that needs it most.
Questions
Common questions
- What does X Foam measure?
- How much of a tank surface is foam, from 0 to 100 percent, how close that foam is to the overflow lip, and whether it is rising or settling. It writes those to Modbus registers continuously.
- Does X Foam control the dosing pump?
- No. It advises an antifoam dose and reports the numbers behind it. Your PLC keeps every interlock and decides whether to act. The camera measures; the control system actuates.
- How does it tell foam from water?
- A neural segmentation model separates foam from the water surface by colour and texture, then measures the area that is foam. Colour is the load-bearing signal here, where in froth analysis physical structure matters more.
- Does it need cloud connectivity?
- No. The model runs on the device, on-premises. X Foam is offline-capable and nothing leaves site.
- Can one camera cover more than one tank?
- The camera is self-contained and mounts in minutes, so it relocates from tank to tank easily. Each install covers the tank it is mounted over.
Put an instrument on your hardest measurement.
Tell us the surface you can only judge by eye. We will show you the register it becomes.
X Float The same camera-to-register path, on flotation froth.