UA_Disconnect

This function block closes an OPC UA Remote connection to another OPC UA Server. The connection is specified via its connection handle.

	Disconnect all connections If the UA-Disconnect method is called and a connection handle of 0 is passed, the OPC UA client disconnects all existing connections. This also applies to connections established via an OPC UA I/O client configuration.

Inputs

VAR_INPUT
    Execute           : BOOL;
    ConnectionHdl     : DWORD;     
    Timeout           : TIME := DEFAULT_ADS_TIMEOUT; 
END_VAR

Name	Type	Description
Execute	BOOL	The command is triggered by a rising edge at this input.
ConnectionHdl	DWORD	Connection handle previously output by the function block UA_Connect.
Timeout	TIME	Time until the function is aborted. DEFAULT_ADS_TIMEOUT is a global constant, set to 5 seconds.

VAR_OUTPUT
    Done        : BOOL;
    Busy        : BOOL;
    Error       : BOOL;
    ErrorID     : DWORD;
END_VAR

Name	Type	Description
Done	BOOL	Switches to TRUE if the function block was executed successfully.
Busy	BOOL	TRUE until the function block has executed a command, at the most for the duration of the "Timeout" at the input. The inputs accept no new command as long as Busy = TRUE. It is not the connection time that is monitored but the reception time.
Error	BOOL	Switches to TRUE if an error occurs while executing a command. The command-specific error code is contained in nErrID.
ErrorID	DWORD	Contains the command-specific error code of the most recently executed command.

Development environment	Target platform	PLC libraries to include
TwinCAT 3.1	Win32, Win64, CE-X86, CE-Arm®	Tc3_PLCopen_OpcUa