FB_UDP_Connection

This function block enables to create or terminate a UDP connection.

This function block can only be used as the initial variable of function block FB_sACN and FB_sACN_Ex. It cannot be invoked directly.

Syntax

                FUNCTION_BLOCK FB_UDP_Connection IMPLEMENTS ICommunication
VAR_OUTPUT
     bBusy                  : BOOL; 
     bError                 : BOOL; 
     bConnected             : BOOL; 
     ipResultMessage        : I_TcMessage; 
END_VAR

VAR_OUTPUT

bBusy: Is TRUE as long as the asynchronous request is still active. Is FALSE if the request is completed. (More information can be found at section Status indicator)

bError: Is set if an error occurs during execution of the function block. Error details can be found at “Error List” window.

bConnected: Is TRUE as long as a socket is opened without error; is FALSE if socket is closed.

ipResultMessage: Enables error handling with the Tc3_EventLogger.

METHODS

FB_init: Initialization method

INTERFACE

ICommunication: Defines the interface of communication methods.

Further Information