Technical data

DPV1 SFBs According to PNO AK 1131
System Software for S7-300/400 System and Standard Functions - Volume 1/2
8-6 A5E00709327-01
Parameters Declaration Data type Memory Area Description
MODE INPUT INT I, Q, M, D, L, constant Operating mode
F_ID INPUT DWORD I, Q, M, D, L, constant Logical start address of the component
(module) from which interrupts are to
be received
MLEN INPUT INT I, Q, M, D, L, constant maximum length in bytes of the data
interrupt information to be received
NEW OUTPUT BOOL I, Q, M, D, L A new interrupt was received.
STATUS OUTPUT DWORD I, Q, M, D, L Error code of the SFB or DP Master
ID OUTPUT DWORD I, Q, M, D, L Logical start address of the component
(module) from which an interrupt was
received.
Bit 15 contains the I/O ID: 0 for an input
address; 1 for and output address
LEN OUTPUT INT I, Q, M, D, L Length of the received interrupt
information
TINFO IN_OUT ANY I, Q, M, D, L (task information)
Target range for OB start and
management information
AINFO IN_OUT ANY I, Q, M, D, L (interrupt information)
Target area for header information and
additional interrupt information
For AINFO you should provide a length
of at least MLEN bytes.
Caution
If you select a target area TINFO or AINFO that is too short the SFB 54 cannot
enter the full information.
Data structure of the target area TINFO
Byte Meaning
0 to 19 Start information of the OB in which SFB54 was currently called:
• Byte 0 to 11: structured like the parameter TOP_SI in SFC 6 "RD_SINFO"
• Byte 12 to 19: date and time the OB was requested
20 and 21 Address, for exact description, see below
22 to 31 Management information, for exact description, see below