The VDMA publishes OPC UA Companion specifications for robotics and machine vision

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  VDMA Publishes OPC UA Companion Specifications for Robotics and Machine Vision

20. June 2018 – OPC UA workgroups Machine Vision and Robotics today released the first versions of their companion specifications at their press conference. "Interoperability is the key to distinguishing our products in a connected world of Industry 4.0." OPC UA is the declared standard that machines in the smart factory of the future speak the same language, "Dr. Horst Heinol-Heikkinen, Chairman of the VDMA OPC Vision Initiative. "The VDMA recognized the potential of OPC UA at an early stage and exemplarily and consistently promoted the standardization of data and interfaces of devices and machines with its members," said Stefan Hoppe, Global Vice President of the OPC Foundation,

The OPC UA Companion Specification for Robotics (OPC UA Robotics for short) provides a standardized information model that can display all robot-related data uniformly, regardless of manufacturer or location. Part 1, released today as a draft version, enables asset management, condition monitoring, preventative maintenance and vertical integration. It provides a foundation for data analysis and overall equipment effectiveness (OEE).

The OPC UA Companion specification for Machine Vision (OPC UA Vision for short) provides a generic model for all image processing systems, from simple vision sensors to full-featured complex inspection systems. Simply put, it defines the essence of an image processing system. Part 1, released today as the Release Candidate Version, describes the infrastructure layer that represents an abstraction of the generic machine vision system. It allows the general control of a machine vision system and abstracts the necessary behavior via a state machine concept. It handles the standardized administration of recipes, configurations and results, keeping the content manufacturer-specific and treated as a black box.

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In addition to the release of the two new companion specifications, a demonstrator for skill-based control with OPC UA was unveiled. The demonstrator is a full-fledged assembly cell that produces Fidget spinners and integrates systems and components from over 20 manufacturers in one language: OPC UA.

Another use case presented at automatica demonstrates the OPC UA Companion Specification for robotics in action. Important robot manufacturers
show how condition monitoring can be implemented in the cloud regardless of manufacturer and robot type. All relevant status data is unique
visible on a dashboard. Applications of this demonstrator include Asset Management, Condition Monitoring, Preventative Maintenance and Vertical

The VDMA co-founded the pre-competitive and non-profit Labs Network Industry 4.0 (LNI), which operates testbeds and use cases that focus on SME requirements and standardization validation. The University of Ravensburg-Weingarten is planning the first testbed together with industrial partners in its laboratory. "Practical validation by users, including SMEs, is key to the success of international standardization activities" Christian Mosch from VDMA Forum Industrie 4.0. The testbed is open to new partners without any obstacles.

The Companion Specification OPC UA Vision is now available free of charge as VDMA specification number 40100 (Release Candidate Version). The OPC
The UA Robotics Companion specification is available immediately as VDMA Specification Number 40010 (as a draft version) for free. Both specifications can be
requested at [email protected]

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