Technical data

Table Of Contents
DPV1 SFBs According to PNO AK 1131
System Software for S7-300/400 System and Standard Functions - Volume 1/2
A5E00709327-01
8-15
Structure of Additional Interrupt Information with Interrupts from PROFINET IO,
Case 3
The additional interrupt information for PROFINET IO depends on the format
identifier. If different types of diagnostic information is to be transmitted, the IO
device uses the format identifier W#16#8001 (MULTIPLE).
In this case, the additional interrupt information is transmitted as blocks of variable
length.
Byte Data type Meaning
0 to 1 WORD Format identifier for the structure of the following data serving as additional
interrupt information
W#16#8001: Manufacturer-specific diagnostics and/or channel diagnostics
2 to 3 WORD Block type
4 to 5 WORD Block length
6 BYTE Version: high byte
7 BYTE Version: low byte
8 to 9 WORD Slot number
10 to 11 WORD Subslot number
12 to 13 WORD Channel number
14 to 15 WORD Channel properties
16 to 17 WORD Format identifier:
W#16#0000 to W#16#7FFF: manufacturer-specific diagnostics
W#16#8000: channel diagnostics
W#16#8001 to W#16#FFFF: reserved
18 to n BYTE Data depend on the format identifier
Note
The section starting from "block type" can occur from 0 to n times.