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OPC2AAS

OPC2AAS is an Asset Administration Shell microservice represent through the AAS API (operation SubmodelElement) that translates OPC UA Node Structures to Asset Administration Shells.

OPC UA Testserver

To test the functionality of the OPC2AAS service, you can use the provided OPC UA testserver. It is a docker container that provides a simple OPC UA server with a few nodes. The docker image is available at aaronzi/demo-opc-server.

Prerequisites

Make sure you have Docker installed on your system.

Starting the example

Run the following command to start the test server together with OPC2AAS and the necessary Eclipse BaSyx components:

docker-compose up -d

After the services are started, you can access the AAS Web UI at http://localhost:9080. From there you are able to access and use the OPC2AAS service.

OPC2AAS Service

Usage

The AASfromOPC operation in the CreationSubmodel has the following input parameters:

Variable Description Input values
aasIdShort The idShort of the AAS that will be created GeneratedAAS
opcNodeId The NodeId of the node from which the OPC2AAS service should start ns=2;i=1
opcServerUrl The URL of the OPC UA server that should be used opc.tcp://opcserver:4840
opcUSername (optional) The username that will be used to authenticate with the OPC UA server test
opcPassword (optional) The password that will be used to authenticate with the OPC UA server test
submodelRepoUrl The URL of the BaSyx Submodel Repository where the AASs Submodels will be uploaded to http://aas-environment:8081/submodels

After providing the inputs and executing the operation, the service will generate seven files in the OutputSubmodel if the connection to the OPC UA Node is successful.

Generated Files

The following files are generated that can also be downloaded:

File Name Description
aas Generated AASX file.
consumerFile DataBridge configuration file for the OPC UA Consumer.
extractvalue Transformer configuration file to extract the OPC UA value from the Java Node Object.
jsonatatransformer Transformer configuration file.
jacksontransformer Transformer configuration file.
aasserver DataBridge configuration file for the AAS Environment datasink.
route DataBridge configuration file for the routes between the OPC UA Consumer and the AAS Environment datasink.