Copenhagen June 2017. ascolab presented at the OPC Day Europe which was hosted by Microsoft in Copenhagen, Danmark. Matthias Damm gave an overview on how Companion Specifications can be created. This years topic was "From Sensor to Cloud" and the two day event was a huge success. The approx. 130 attendees listened to innovative presentations that showed OPC UA in the context of Industry 4.0. In a pre-conference the base features of the OPC UA technology were presented. At the parallel micro fair with 12 exhibitors the attendees could get information on the various products that have incorporated the standard already.