HEIDENHAIN PROFINET - Manual (Page 63)

Acyclic Parameter Data
63
Parameters of SFB52
Parameter Declaration Data type Description
REQ INPUT BOOL REQ=1 Enables data transfer
ID INPUT DWORD
Logical address of the PROFINET IO
module or sub module (PAP-module
address 2039)
INDEX * INPUT INT Record number
MLEN * INPUT INT
Maximum length of the record in-
formation in bytes
VALID OUTPUT BOOL
New record has been received and
is valid.
BUSY OUTPUT BOOL Busy=1 during the read operation
ERROR OUTPUT BOOL Error=1 read error
STATUS OUTPUT DWORD Block status or error code
LEN * OUTPUT INT Length of record information
RECORD IN_OUT ANY Target area for the record
Table 30 Parameters of SFB52
*) Negative values are interpreted as 16-bit unsigned integers.