I_Connect

METHODS

Connect: Create a TCP connection.

Disconnect: Terminate a TCP connection.

Send: Send QRC frames.

M_Receive: Receive QRC frames.

PROPERTIES

Properties	Type	Access	Description
aRxFrame	ARRAY[0..QRC_NUMBER_OF_CONTROL] OF T_MaxString	Get	As soon as the falling edge of `bBusy` occurs and `bError` is FALSE, the received QRC response frame can be queried with this property.
sTxFrame	STRING(QRC_BUFFER_SIZE)	Set	As soon as the falling edge of `bBusy` occurs and `bError` is FALSE, the QRC frame to be sent can be set.

Connect

This method enables creating a TCP connection.

Method Connect            : BOOL

This process is finished as soon as the return value is TRUE.

Disonnect

This method enables terminating a TCP connection.

Method Disonnect          : BOOL

This process is finished as soon as the return value is TRUE.

Send

This method enables sending a QRC frame and to get the response frame from Q-SYS device automatically after sending.

Method Send               : I_ResExtract

This method is finished as soon as the falling edge of bBusy occurs and property aRxFrame is not empty. The response frame can be fetched at property aRxFrame.

Receive

This method enables receiving a QRC frame.

Method Receive            : I_ResExtract

This method is finished as soon as the falling trigger of bBusy is triggered and property. aRxFrame is not empty. The response frame can be fetched at property aRxFrame.

aRxFrame

List of received QRC response frames.

PROPERTY aRxFrame       : ARRAY[0..QRC_NUMBER_OF_CONTROL] OF T_MaxString

sTxFrame

A QRC frame which is ready to send to Q-SYS device.

PROPERTY sTxFrame         : STRING(QRC_BUFFER_SIZE)