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Write a value with opc ua Python

Stack Overflow Asked on December 9, 2021

i trying write value with this example :
opc ua client to server

But i have this error :

 Exception "unhandled opcua.ua.uaerrors._auto.BadTypeMismatch"
"The value supplied for the attribute is not of the same type as the attribute"s value."(BadTypeMismatch)
File: C:UserslariAppDataLocalProgramsPythonPython38libsite-packagesopcuauauatypes.py, Line: 218

someone can help me please

thank you so much

2 Answers

I find o/

this link help me : https://github.com/FreeOpcUa/opcua-asyncio/issues/30

dv = ua.DataValue(ua.Variant(122, ua.VariantType.Int32))
dv.ServerTimestamp = None
dv.SourceTimestamp = None
trou.set_value(dv)

I hope my adventure can help others ;)

Answered by Christophe on December 9, 2021

This is telling you the server is expecting a value with a different datatype than the one you wrote.

Answered by Kevin Herron on December 9, 2021

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