| FB-Name | UA_Disconnect |
| This Function Block is used to close a transport connection of an OPC UA session. |
| VAR_INPUT |
| B | Execute | BOOL | On rising edge connection is terminated. |
| B | ConnectionHdl | DWORD | Connection handle of connection to be closed. |
| B | Timeout | TIME | Maximum time to close the connection. |
| VAR_OUTPUT |
| B | Done | BOOL | FB has completed its task. |
| B | Busy | BOOL | The FB is not finished and new output values are to be expected. |
| B | Error | BOOL | Signals that an error has occurred within the FB. |
| B | ErrorID | DWORD | Error code. |
| Notes: Calling UA_Disconnect (even in case of timeout or error) will release the ConnectionHdl, all node-handles and MonitoredItems. |
