The integration of production machines into a company’s digital processes is usually done by means of an MES (Manufacturing Execution System). This forms an intermediate layer between the company-wide ERP system, in which customer orders are planned, and the production level, in which these customer orders are processed in the form of production orders. Since production order planning involves issues such as lot size optimization, etc., the MES must transform the sales order view into a factory view.
To use such a system, the machine connection to the MES is required. Ideally, this machine connection is made via OPC UA, as MES manufacturers have developed ready-made interfaces for this purpose.
In the course of machine networking for Industrie 4.0-compliant factory development, the OEE must also be digitally recorded as a decisive key figure for detecting and measuring productivity improvements.
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