A MES might be seen as an intermediate step between, on the one hand, an enterprise resource planning (ERP) system, and a supervisory control and data acquisition (SCADA) or process control system on the other and is usually a special adapted application. Here we have programmed a solution between SAP® and a production line based on Siemens PLC.

MES is situated at Level 3 between ERP at Level 4 and process control at Levels 0, 1, 2. Activities in Level 3 are divided over four main operations: production, quality, logistics and maintenance.

We have implemented all operations except maintenance.

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