Founded in April 2019, the Flat Glass Initiative Joint Working Group published its 2nd release in 2024. The new version of OPC 40301 introduces several technical improvements over the 2022 version: it replaces the Job Management model with the newly developed OPC UA
Machinery Job Management (OPC 40001–3), adds standardized Object Types like Machinery Item State and Operation Counters, introduces a File System entry point using OPC UA Part 20 and restructures Glass Machine Type to align with Machinery Building Blocks. Redundant or obsolete types were removed to streamline the model.
OPC 40301 for Flat Glass Processing
OPC 40301 standardizes communication and VDMA 24124 standardizes job description. Together they enable future-ready glass manufacturing.
VDMA 24124 defines standardized job and status descriptions for machines in flat glass processing. It provides a uniform structure for job transmission and machine
feedback, including job IDs, processing parameters, and result reporting. It also defines data structures for job orders, job responses, and machine status to improve interoperability and automation efficiency. The specification supports integration into MES and ERP systems and ensures consistent communication across different machine types.
Contact: Ms. Gesine Bergmann
Joint Working Group Secretary, VDMA
The specification is available free of charge from umati.org/ua4flat-glass