At a time when production processes are becoming increasingly networked, automated and data-driven, data quality and data management are rapidly gaining importance. In Industry 4.0 people, machines and systems work together seamlessly. But how does this vision become reality? A central component on this path is the digital calibration certificate (DCC).
Why traditional calibration certificates are no longer sufficient
Until now, calibration certificates were mostly available in paper form or as PDF documents – readable by humans but worthless to machines. In modern industrial environments, where software solutions act independently, such formats are no longer sufficient. They hinder automated workflows and lead to increased effort and sources of error due to manual data entry.
The DCC: From statical information to digital resources
The digital calibration certificate revolutionises the calibration process. It converts data into structured, machine-readable and internationally standardised XML files. This enables systems such as production plants, test equipment management or ERP systems to ingest, independently evaluate and further process the calibration data. Manual interventions are eliminated, data quality increases and errors are drastically reduced.
Digital twins benefit from value-added quality data
A central element of Industry 4.0 is the digital twin – the virtual counterpart to an instrument or a machine. The digital twin requires continuously up-to-date, validated and interpreted data. In the future, this is exactly what will be offered by the DCC. In addition to the measured values it contains information on measurement uncertainties, traceability, ambient conditions and technical characteristics. This data is incorporated automatically into the digital twin and ensure that it accurately reflects the condition of the real instrument.
Predictive maintenance and automated test equipment management
Thanks to machine-readable DCC data, systems can independently analyse when a measuring instrument is at risk of no longer meeting the specifications, or when recalibration is required. Companies can thus manage their maintenance and calibration strategies flexibly and condition-based. This results in higher plant availability, lower costs through demand-based calibrations and more stable production processes.
Trustworthiness through digital signatures
The DCC uses modern digital signatures that enable automatic verification of authenticity and integrity. In the future, this allows systems to automatically determine whether a certificate actually originates from the stated laboratory, was transmitted unchanged and is valid. This creates a machine-verifiable confidence level that is far superior to the traditional signature.
Interoperability and global networking
Industry 4.0 thrives on networking across system and company boundaries. The DCC is being developed as an international standard, independent of software, industries or geographical borders. As a result, calibration data, for example from a German laboratory, can be used in a Mexican production or a Japanese test equipment software without the need for IT adjustments. This ensures global data continuity and facilitates integration into international supply chains.
DCC as a key for platforms and digital ecosystems
Initiatives such as Quality-X, Gaia-X or Manufacturing-X rely on structured, interoperable and machine-interpretable data – and the DCC fits perfectly into this vision. In such data spaces, DCCs can be automatically provided, shared, verified and integrated into processes – without manual intermediate steps. This opens up new possibilities for collaboration across company boundaries and lays the foundation for global digital quality networks.
Conclusion: The DCC as an enabler of digital transformation
The digital calibration certificate is much more than a digital copy of an analogue document. It is the key to intelligent, flexible and networked production, as required by Industry 4.0. Through automated and reliable data processing, the provisioning of digital twins with high-quality information, self-regulating test equipment processes and global interoperability, the DCC will substantially contribute to making the vision of Industry 4.0 a reality, for example via implementation using the so-called asset administration shell (AAS). Without the DCC, much of the potential for innovation remains untapped – with it, digital transformation in metrology and quality assurance will become reality. WIKA is actively involved in helping to shape this upcoming standard.
Note
If you have any questions, please do not hesitate to contact our service team on workdays from 7 a.m. to 4 p.m. (Fridays until 3 p.m.) by telephone on +49 9372 132-5049. For more information about our calibration and service centre, visit the WIKA website.
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