Tag Archives: WinCC OA

Generate QR Code Image in WinCC OA …

Add a label object into your screen and add some lines of code to get a QR image. In this example a mobile phone app will scan the QR code and send username and password via a GraphQL server to … Continue reading

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Java is everywhere… WinCC OA Java Manager…

From laptops to datacenters, game consoles to scientific supercomputers, cell phones to the Internet, Java is everywhere! Now connected to WinCC OA. Here you will find an implementation of an API to connect WinCC OA to Java. It is based on the WinCC … Continue reading

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ElasticSearch and WinCC OA …

With a Java-Datalogger we can write events and alerts to different data sinks. For example we can use ElasticSearch and Kibana to discover alerts collected by WinCC OA. Elasticsearch provides full text search, analytics, dashboards. And now it also supports graphs! … Continue reading

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Cassandra for WinCC OA & Performance…

Did a first test with Cassandra as NoSQL database store for WinCC OA event logging. Cassandra was easy to install, pretty good write performance and very good read performance. Compared to e.g. OpenTSDB the CPU load on client and server are higher. Test-Setup: … Continue reading

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