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Topic starter
I have Russian OPC server Orion. There are some Register variables (unsigned short). I try to connect PcVue variable with OPC variables and work correctly but in Event Viewer i see message: Register01, cannot convert ' (VT_Empty) ' into boolean value.
I try another test, i take Bit variable and connect with OPC and i don't have message in Event Viewer, but if i reload he project i see the same message.
This message appear only once, when i connect variable. But in my project 3000 variables.
What is it?
I think it no good OPC server, but how do you think could there be problems in the future?
Posted : 03/02/2022 5:54 pm
It looks like the server return a VT_EMPTY vt type at least once and then it send the correct type afterward.
Is the Orion server free to downlad for test?
Posted : 04/02/2022 2:58 pm
Hi Roman,
Could you try with a portable OPC Client such as MatrikonOPC Explorer Mobile
https://www.matrikonopc.com/portal/downloads.aspx?dID=426
And compare the results or logs.
Posted : 04/02/2022 3:25 pm
Topic starter
Hello Emmanuel , yes it possible
https://bolid.ru/production/archive/orion_modbus.html
but for free version i see only 3 variables
Posted : 14/02/2022 9:32 pm
Topic starter
Hello Edouard, ok i will try to test it.
Thanks
Posted : 14/02/2022 9:33 pm