[Development Mode] Create Read/Write OpcUA Client flow
Posted: Wed Dec 14, 2022 6:00 am
- Prepare a OpcUa Server
From AIoT Cloud free download AIC Opc Ua and install on same machine with AIC IoT Studio.AIC OpcUa Server default node config has Demo object. You use UaExpert to check it, look like below.- IoTStudio+OpcUaServer.PNG (48.63 KiB) Viewed 8098 times
I will read/write the Int32_Var01 item on IoT Studio.- DemoObject.PNG (19.99 KiB) Viewed 8097 times
- 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 8097 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 8097 times
- Pull OpcUa-Client node and configure Endpoint with AIC OpcUa Server UA TCP and Action READ
- IoTStudio.OpcUaEndpoint.PNG (13.43 KiB) Viewed 8096 times
- IoTStudio.OpcUaEditNode.PNG (17.96 KiB) Viewed 8096 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 8095 times
- IoTStudio.OpcUaItemConfigure.PNG (8.24 KiB) Viewed 8095 times
- Pull relative nodes for read and write flow and results
The flow code:
- IoTStudio.result.PNG (33.21 KiB) Viewed 8095 times
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":""}]
- Move mouse cursor to IoT Studio Utility Development Mode Status URL and click right button to copy URL.