Yaskawa MotionWorks IEC Toolboxes - Manual (Page 204)

Communications Toolbox: Function Blocks
MotionWorks IEC61131-3 Toolboxes: 2013-09-13 191
InputBufferManager
The InputBufferManager function block manages a circular buffer of incoming data. It is a supporting function
block for the CommunicationChannel function block. A user should not need to access this function directly.
Parameters
* Parameter Data Type Description
VAR_IN_OUT
V InputBuffer YTB_ByteArray2048
Byte array containing data to be copied into the
CircularByteBuffer.
V CircularByteBuffer CircularBufferStruct
Structure containing a data buffer and other
operational information required to manage the
CircularByteBuffer.
VAR_INPUT Default
B Enable BOOL
The function will continue to execute
while enable is held high.
FALSE
V Execute BOOL
Upon the rising edge, all other
function block inputs are read and
the function is initiated. To modify
an input, change the value and re-
trigger the execute input.
INT#0
V BytesRead UDINT
Number of bytes to be copied from
InputBuffer to CircularByteBuffer.
UDINT#0
V ClearBuffer BOOL
Clears all contents of the circular
buffer and resets StorePointer and
UsePointer
INT#0
VAR_OUTPUT