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OPC UA

OPC Unified Architecture (OPC UA) is a standard to enable the communication between industrial devices. OPC UA is designed to work across technology boundaries (cross-platform).

One component of the OPC UA integration in Cumulocity is the OPC UA device gateway. The OPC UA device gateway is a stand-alone Java program that communicates with OPC UA server(s) and the Cumulocity platform. It stores data into the Cumulocity database via REST. The gateway must be registered as Cumulocity device.

For details see Device management & connectivity > Protocol integration > OPC UA.

Operations

Operations are cloud-to-device messages so that devices can be remotely controlled and managed by Cumulocity. Typical operations are installing a new software, switching a relay in a power meter or sending a credit to a vending machine.

For details see Getting started > Technical concepts > Cumulocity’s domain model > Operations.