Hello, I am trying to write boolean value to my plc with OPCUa write node. but its not writing looks like there is issue with the OPCUa write node because even other bits are not writable. I have also readed many bits and variable with OPCUa read. These error are seen in debug window when I am …

@vishalk , You are missing an OPCUA Item node in your flow. [image] Also, the node address you have does not seem to be correct. ns=3;s="resistMonit8ChanDB".Channels[1].Reset,datatype=Bool Have you connected to the PLC using UA-Expert software to see where exactly the variable is located? UA-Ex…

Hello, Can someone help me this thing, I am not able to write with OPCUa , I just want to change a boolen value from Node Red (false to true) [write]

See if this helps you. [image] Alternatives for PLC B&R data extraction Industrial How do I extract data from a B&R PLC with Node-Red? What are the alternatives?

Hello , @seth350 OPc ua iiot connector node is not present in my node red node red version v1.1.3 windows 10 enterprise plc siemens simatic cpu et 200sp I am able to read data with opc ua node but write is still not possible. I want to write boolen bit . please check the flow added below [{"i…

Hello @seth350 Thanks for the reply, my syntax was wrong in topic maybe. Now write works. Also,I will try to use opc ua item. I changed the inject to ui_button to give topic to the opc ua node. I do have opc ua expert in use. Regards Vishal

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OPCUa write not writing

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seth350 9 September 2020 02:50 3

See if this helps you.

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OPCUa write not writing

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