Para probar el ejemplo, puede copiar el siguiente código y pegarlo en un proyecto vacío, por supuesto, el programa CODESYS debe estar ejecutándose SimpleUPCUA. Recuerde cambiar la dirección IP del servidor OPCUA.
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Dashboard","hideToolbar":"false","allowSwipe":"false","lockMenu":"false","allowTempTheme":"true","dateFormat":"DD/MM/YYYY","sizes":{"sx":48,"sy":48,"gx":6,"gy":6,"cx":6,"cy":6,"px":0,"py":0}}},{"id":"fefa668f.751fc8","type":"ui_tab","z":"","name":"Main","icon":"dashboard","order":1,"disabled":false,"hidden":false},{"id":"1c67e3b2.585c7c","type":"ui_group","z":"","name":"My Dashboard","tab":"fefa668f.751fc8","order":1,"disp":true,"width":"6","collapse":false},{"id":"a9407375.ad7b","type":"inject","z":"78a821d6.71cc3","name":"","topic":"","payload":"1","payloadType":"num","repeat":"1","crontab":"","once":false,"onceDelay":0.1,"x":110,"y":300,"wires":[["a9cc134f.3c259"]]},{"id":"a9cc134f.3c259","type":"OpcUa-Item","z":"78a821d6.71cc3","item":"ns=4;s=|var|CODESYS Control for Raspberry Pi SL.Application.PLC_PRG.Counter","datatype":"UInt32","value":"","name":"","x":320,"y":300,"wires":[["3b553ad1.95c7e6"]]},{"id":"3b553ad1.95c7e6","type":"OpcUa-Client","z":"78a821d6.71cc3","endpoint":"a5fa9e01.cfaf6","action":"read","deadbandtype":"a","deadbandvalue":1,"time":10,"timeUnit":"s","certificate":"n","localfile":"","name":"","x":520,"y":300,"wires":[["954e9722.cdd3a8","a5077176.e41b4"]]},{"id":"954e9722.cdd3a8","type":"ui_text","z":"78a821d6.71cc3","group":"1c67e3b2.585c7c","order":0,"width":0,"height":0,"name":"","label":"Counter","format":"{{msg.payload}}","layout":"row-spread","x":700,"y":300,"wires":[]},{"id":"a978aa03.2e7fd8","type":"ui_switch","z":"78a821d6.71cc3","name":"","label":"DOCommand","tooltip":"","group":"1c67e3b2.585c7c","order":1,"width":0,"height":0,"passthru":true,"decouple":"false","topic":"","style":"","onvalue":"true","onvalueType":"bool","onicon":"","oncolor":"","offvalue":"false","offvalueType":"bool","officon":"","offcolor":"","x":120,"y":180,"wires":[["2df7e872.48a7d8"]]},{"id":"2df7e872.48a7d8","type":"OpcUa-Item","z":"78a821d6.71cc3","item":"ns=4;s=|var|CODESYS 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