Status indicator

bCommunicated

It is an output variable of FB_sACN and FB_sACN_ex. It indicates the state of the sender / receiver process.

• It sets TRUE if an sACN frame has been successfully sent or received.
• It sets FALSE if terminated flag has been fired. The client goes in idle state if no error occurs.

bConnected

It is an output variable of the function block FB_UDP_Connection. It indicates the connection status.

• It sets TRUE if a UDP socket has been successfully opened without an error.
• It sets FALSE if socket has been closed or an error occurred.

bBusy

It is an output variable of all function blocks.

• It sets TRUE as long as the processing is not completed. Each new input variable of methods or switching of sACN function blocks can be accepted ONLY when bBusy is FALSE.
• It sets FALSE as long as a processing is completed without error (bError is FALSE) or a processing is not completed but an error occurs (bError is TRUE).

bError

It sets TRUE if an error occurs.