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Glossary · Manufacturing and logistics

MESManufacturing Execution System

An MES (Manufacturing Execution System) is the system that manages and records what happens on the shop floor while production runs: which order is on each machine, who is running it, with which materials and with what result.

MES: the details

It sits between the ERP and the machines. The ERP knows what has to be made and by when; the PLCs and SCADA know what each piece of equipment is doing this second. The MES joins the two worlds: it receives the orders, dispatches them, collects output, stops, consumption and quality checks, and reports back to the ERP what was really made. Lot traceability and the OEE calculation come from there.

Not every factory needs a full MES. Many mid-sized plants cover the essentials—a digital production report, meter readings and traceability—with a custom application connected to the ERP. What matters is that the data is captured once and on the spot.

MES in a project

We work in both scenarios: integrating an existing MES with the rest of the systems or building the missing shop-floor layer, without replacing the ERP.

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Related terms

See the whole glossary
  • OEEOverall Equipment Effectiveness
  • SCADASupervisory Control and Data Acquisition
  • OPC UAManufacturing and logistics

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