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14:41, EET
January 18, 2021
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I am trying a simple connection to a UA OPC server using the TPsOPCServer component
The server is remote, and it is working corretcly, I can connect to it without any problem using the UAExpert client
If I set the host adress and try to activate the connection, I receive this error :
Cannot connect to OPC Server \\opc.tcp://192.168.10.241\:Server Name cannot be converted to a valid ClassID
Could you help me ?
Thanks
16:44, EET
December 21, 2011
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TPsOPCServer is a client for OPC Data Access servers.
For OPC UA, you need to use TUaClient. See the UaSampleClient project and the OPC UA Client Tutorial (link on the download page) for more detail.
18:09, EET
January 18, 2021
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Thanks, I’ve tried to compile and run the UaSampleClient but I have a link error.
I’ve tried to create a simply C++ Builder application with an empty form dragging in a TUaClient objtect and I have several unresolved external link error, how do I have to configure the libraries / linker path ?
Thanks
18:42, EET
January 18, 2021
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Here you are some of them
[ilink32 Error] Error: Unresolved external ‘_OpcUa_P_Initialize@4’ referenced from C:\PROGRAM FILES (X86)\PROSYSOPC\SENTROL702DC103EVAL\LIB260\PROSYSOPC.UACLASSES.OBJ
[ilink32 Error] Error: Unresolved external ‘_OpcUa_ProxyStub_Initialize@8’ referenced from C:\PROGRAM FILES (X86)\PROSYSOPC\SENTROL702DC103EVAL\LIB260\PROSYSOPC.UACLASSES.OBJ
[ilink32 Error] Error: Unresolved external ‘OpcUa_RolePermissionType_Initialize’ referenced from C:\PROGRAM FILES (X86)\PROSYSOPC\SENTROL702DC103EVAL\LIB260\PROSYSOPC.UASTACK.CONSTANTS.OBJ
[ilink32 Error] Error: Unresolved external ‘OpcUa_RolePermissionType_Clear’ referenced from C:\PROGRAM FILES (X86)\PROSYSOPC\SENTROL702DC103EVAL\LIB260\PROSYSOPC.UASTACK.CONSTANTS.OBJ
[ilink32 Error] Error: Unresolved external ‘OpcUa_RolePermissionType_GetSize’ referenced from C:\PROGRAM FILES (X86)\PROSYSOPC\SENTROL702DC103EVAL\LIB260\PROSYSOPC.UASTACK.CONSTANTS.OBJ
[ilink32 Error] Error: Unresolved external ‘OpcUa_RolePermissionType_Encode’ referenced from C:\PROGRAM FILES (X86)\PROSYSOPC\SENTROL702DC103EVAL\LIB260\PROSYSOPC.UASTACK.CONSTANTS.OBJ
[ilink32 Error] Error: Unresolved external ‘OpcUa_RolePermissionType_Decode’ referenced from C:\PROGRAM FILES (X86)\PROSYSOPC\SENTROL702DC103EVAL\LIB260\PROSYSOPC.UASTACK.CONSTANTS.OBJ
[ilink32 Error] Error: Unresolved external ‘OpcUa_StructureField_Initialize’ referenced from C:\PROGRAM FILES (X86)\PROSYSOPC\SENTROL702DC103EVAL\LIB260\PROSYSOPC.UASTACK.CONSTANTS.OBJ
[ilink32 Error] Error: Unresolved external ‘OpcUa_StructureField_Clear’ referenced from C:\PROGRAM FILES (X86)\PROSYSOPC\SENTROL702DC103EVAL\LIB260\PROSYSOPC.UASTACK.CONSTANTS.OBJ
[ilink32 Error] Error: Unresolved external ‘OpcUa_StructureField_GetSize’ referenced from C:\PROGRAM FILES (X86)\PROSYSOPC\SENTROL702DC103EVAL\LIB260\PROSYSOPC.UASTACK.CONSTANTS.OBJ
[ilink32 Error] Error: Unresolved external ‘OpcUa_StructureField_Encode’ referenced from C:\PROGRAM FILES (X86)\PROSYSOPC\SENTROL702DC103EVAL\LIB260\PROSYSOPC.UASTACK.CONSTANTS.OBJ
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