What does “production data collection” mean?
Production data acquisition (PDA) is a general term for the collection of actual data on conditions and processes in manufacturing facilities. This data can be integrated into Plant Information Management systems, Manufacturing Execution Systems, or SCADA systems. Data collection generally takes place as follows:
- Centrally via computer workstations connected to central PPS systems,
- decentralized, for example, via computer workstations at decentralized control centers or production data acquisition systems,
- via data collection terminals or
- through direct machine data collection.
The “BDE object”—for example, a work operation for which a BDE message is to be recorded—is often identified using barcodes. In addition to modern methods, there is also a paper-based approach that uses writing implements to transfer characters or even simple symbols (such as tally marks) onto paper. BDE systems manage a wide variety of data from different areas:
- Operational Data (Organizational and Technical Operational Data)
- Order data (production data such as times, quantity, weight, quality, number of units, or work progress; order status; and confirmation of order-related work performed)
- Personnel data (attendance and working hours, as well as other data used to calculate wages, labor costs, access control, etc.)
- Machine data (switching frequency, machine downtime and operating times, number of units produced, notifications and malfunctions, interventions by operating personnel, maintenance data, consumption of materials, energy, and supplies, or temperature measurements in storage areas or production facilities, emission levels, etc.)
- Process data (quality, process parameters, setup data, etc.)
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