ST_GENIbusCommandBuffer

Global command buffer for commands and their responses.

TYPE ST_GENIbusCommandBuffer :
STRUCT
  arrMessageQueue  : ARRAY[0..2] OF ST_GENIbusMessageQueue;
  stResponseTable  : ST_GENIbusResponseTable;
  udiMessageHandle : UDINT;
END_STRUCT
END_TYPE

arrMessageQueue: Input buffer for the commands. Through the field declaration there is a choice of 3 different buffers: for high, medium, and low priority.

stResponseTable: Buffer for the command response.

udiMessageHandle: Pointer to the current buffer element.