Contents
Many factories hold valuable data in their PLCs and equipment that never leaves the shop floor. A web dashboard turns that data into information that production managers, maintenance teams and senior management can see from anywhere.
Why a web dashboard?
- Access from anywhere: on an office computer, a tablet on the floor or a phone, with nothing to install.
- Decisions based on data: downtime, output per shift and energy use become numbers instead of guesses.
- Timely alerts: when a value goes out of range, the people responsible know right away.
Step one: decide what you want to see
Before any technical work, choose a few key indicators, such as output count, run and stop time per machine, or temperature and pressure at critical points. Starting with a few clear indicators beats collecting everything without a goal.
Step two: know your equipment and protocols
Every machine speaks its own language. Common protocols include:
Modbus
An older and very widespread protocol in devices and meters; simple and supported almost everywhere.
OPC UA
A more modern standard for industrial data exchange, with structured data and better security.
Direct PLC connection
For common PLCs such as Siemens S7, data can be read directly from the PLC's memory.
If a machine has no digital output at all, adding sensors and an input module usually makes its data available.
Step three: a gateway and secure transfer
Between the machines and the server, a gateway reads data from the devices, normalises it and sends it to the server over a protocol such as MQTT. The industrial network should never be opened directly to the internet, and the connection should be encrypted.
Step four: storage and display
Data is stored in a database so that trends and periodic reports can be reviewed. On top of it, the dashboard shows live charts, the status of each machine and per-shift reports, shaped to the needs of each role from operator to manager.
Start small
The best approach is a pilot on one line or a few machines. Its results show which data is actually useful, and rolling out to the rest of the floor becomes a safer step.
Summary
Connecting machines to a web dashboard starts with understanding your needs, not with buying equipment. If you want to know what data your equipment can provide, contact us for an initial review.