..255] OF BYTE pointer to send [...] ..255] OF BYTE pointer
IDN DWORD byElem BYTE udi [...] [1..4] OF BYTE usi
quality BYTE Quality [...] ..0] OF BYTE Array
St1 POINTER TO BYTE udi [...] TO BYTE udiLen2 UDINT
CallbackFunction POINTER TO BYTE Address [...] UserParameter POINTER TO BYTE Pointer
TO BYTE
POINTER TO BYTE
ServiceBuffer POINTER TO BYTE udi