[Development Mode] Create Read/Write OpcUA Client flow

[IoTStudio Support]

• Prepare a OpcUa Server
  From AIoT Cloud free download AIC Opc Ua and install on same machine with AIC IoT Studio.

  

  IoTStudio+OpcUaServer.PNG (48.63 KiB) Viewed 8091 times

  AIC OpcUa Server default node config has Demo object. You use UaExpert to check it, look like below.

  

  DemoObject.PNG (19.99 KiB) Viewed 8090 times

  I will read/write the Int32_Var01 item on IoT Studio.
• Launch IoT Studio Development Mode
  • Move mouse cursor to IoT Studio Utility Development Mode Status URL and click right button to copy URL.

    

    IoTStudio.CopyURL.PNG (18.32 KiB) Viewed 8090 times

  • Launch browser (chrome or edge) and paste URL to open Development Mode.
  • Login default account/password admin/admin

    

    IoTStudio.DevLogin.PNG (10.55 KiB) Viewed 8090 times

  • Pull OpcUa-Client node and configure Endpoint with AIC OpcUa Server UA TCP and Action READ

    

    IoTStudio.OpcUaEndpoint.PNG (13.43 KiB) Viewed 8089 times

    

    IoTStudio.OpcUaEditNode.PNG (17.96 KiB) Viewed 8089 times

  • Pull OpcUa-Item node and configure Item with the Int32_Var01 item's nodeId ns=2;j=6003. The nodeId can check from UaExpert

    

    IoTStudio.nodeId.PNG (47.45 KiB) Viewed 8088 times

    

    IoTStudio.OpcUaItemConfigure.PNG (8.24 KiB) Viewed 8088 times

  • Pull relative nodes for read and write flow and results

    

    IoTStudio.result.PNG (33.21 KiB) Viewed 8088 times

    The flow code:

    Code: Select all

    [{"id":"eb5f53b859c3bef8","type":"OpcUa-Client","z":"c91170df697f7731","endpoint":"0c5909117e611543","action":"read","deadbandtype":"a","deadbandvalue":1,"time":10,"timeUnit":"s","certificate":"n","localfile":"","localkeyfile":"","securitymode":"None","securitypolicy":"None","folderName4PKI":"","name":"OpcUA Server READ ","x":540,"y":60,"wires":[["77e292edf43c49bb"]]},{"id":"01d189e4c5956a12","type":"OpcUa-Item","z":"c91170df697f7731","item":"ns=2;i=6003","datatype":"Int32","value":"","name":"Int32_Var01","x":350,"y":60,"wires":[["eb5f53b859c3bef8"]]},{"id":"77e292edf43c49bb","type":"debug","z":"c91170df697f7731","name":"debug 1","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":720,"y":60,"wires":[]},{"id":"62373a9f61076423","type":"inject","z":"c91170df697f7731","name":"Read Int32_Var01","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"","payloadType":"date","x":150,"y":60,"wires":[["01d189e4c5956a12"]]},{"id":"56f793bb464c5328","type":"OpcUa-Item","z":"c91170df697f7731","item":"ns=2;i=6003","datatype":"Int32","value":"","name":"Int32_Var01","x":350,"y":120,"wires":[["9b23d6d5b5bd54d6"]]},{"id":"d968552a3f4e10b5","type":"inject","z":"c91170df697f7731","name":"Write Int32_Var01 123","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"123","payloadType":"num","x":160,"y":120,"wires":[["56f793bb464c5328"]]},{"id":"9b23d6d5b5bd54d6","type":"OpcUa-Client","z":"c91170df697f7731","endpoint":"0c5909117e611543","action":"write","deadbandtype":"a","deadbandvalue":1,"time":10,"timeUnit":"s","certificate":"n","localfile":"","localkeyfile":"","securitymode":"None","securitypolicy":"None","folderName4PKI":"","name":"OpcUA Server WRITE","x":540,"y":120,"wires":[["76ee9391d78ee9ef"]]},{"id":"76ee9391d78ee9ef","type":"debug","z":"c91170df697f7731","name":"debug 2","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":720,"y":120,"wires":[]},{"id":"0c5909117e611543","type":"OpcUa-Endpoint","endpoint":"opc.tcp://DESKTOP-L6IIIJ3:48010","secpol":"None","secmode":"None","none":true,"login":false,"usercert":false,"usercertificate":"","userprivatekey":""}]