In terms of software architecture, ERP ranks above PDA (which is limited to optimizing the profitability of manufacturing processes). Enterprise resource planning (ERP) systems process organizational production data to plan, control, and manage these resources at the enterprise level. For this reason, the introduction of PDA is usually associated with measures to close the existing gaps in digital data acquisition (see MDA).Ĭompanies have a multitude of resources: capital, personnel, materials, operating resources, and so on. The more seamless the data availability (and the more error-free), the better a PDA system can be used to optimize the profitability of production. The term production data acquisition (PDA) refers to the IT solution that ensures that the data collected is connected digitally and can be applied systematically for planning, controlling, and monitoring purposes. Data can be collected in various ways: It can be written down, determined mechanically, or recorded digitally. This information is obtained at various levels and divided into organizational production data (e.g., personnel data, order data) and technical production data (machine data, process data). To control the profitability of manufacturing processes, values relating to performance and costs within the framework of the manufacturing processes are required.
One prerequisite of MDA is that the machines are connected as seamlessly as possible (connectivity). Due to increasing digitalization in the manufacturing industry, machine data is deemed to be a key factor in improving a company's competitiveness. The systematic use of machine data helps to improve performance and assure quality in manufacturing. This is acquired at the processing units of the machine, and provides information on the production process (e.g., number of pieces, weight, size, and temperature). There are two types of data: Process data – this is the information necessary for operating the machine and generated as a result of operating the machine (control data, but also information about operating times, power consumption, etc.). Machine data acquisition (MDA) constitutes the interface between the machines that produce the data and the digital processing of this data. Wherever machines are at work, data is generated.
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