These days, numerous blogs and documents can be found how to set up an IoT scenario using SAP HCP. You can build your own demo with just a few mouse clicks, easy and straightforward. But what about customers who only have an on-premise SAP PI or PO system and are not into Cloud (yet)? With that question in mind, I started to look for an IoT demo, using our SAP PO 7.5 system.

Obviously, you need some kind of adapter to get data from a device: a MQTT adapter. You also need a device or a (public) device simulator: http://www.hivemq.com/. Getting this all together will bring you to this scenario

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The device (my laptop in this case) will publish data to the broker and the MQTT adapter will subscribe to it. What the MQTT adapter is concerned, I used the one from the KaTe Group. From a SAP PO perspective, the subscription is always done via a sender adapter.


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In part II and part III, I will explain how I set up the adapter to work with the MQTT broker, both synchronously and asynchronously.

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