HEIDENHAIN PROFIBUS-DP (DPV2) - Manual (Page 64)

Acyclic parameter data
64
Parameters of SFB52
Parameter Declaration Data type Description
REQ INPUT BOOL REQ=1 Enables data transfer
ID INPUT DWORD Logical address of the PROFIBUS
DP module or sub module (PAP-
module address 2039)
MLEN* INPUT INT Maximum length of the record
information in bytes.
VALID OUTPUT BOOL New record has been received
and is valid
BUSY OUTPUT BOOL Busy=1 during 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 28 Parameters of SFB52
Parameters of SFB53
Parameter Declaration Data type Description
REQ INPUT BOOL REQ=1 Enables data transfer
ID INPUT DWORD Logical address of the PROFIBUS
DP module or sub module (PAP-
module address 2039)
LEN* INPUT INT Length of the record information
in bytes.
DONE OUTPUT BOOL Data record was transferred
BUSY OUTPUT BOOL Busy=1 during write operation
ERROR OUTPUT BOOL Error=1 write error
STATUS OUTPUT DWORD Block status or error code
RECORD IN_OUT ANY Data record
Table 29 Parameters of SFB53