Siemens SIMATIC S7-1200 System Manual page 442

Extended instructions
9.7 Diagnostics (PROFINET or PROFIBUS)
Structures
The following tables define the structure elements of the individual structures:
Table 9- 128 SI_classic structure
Structure element
EV_CLASS
EV_NUM
PRIORITY
NUM
TYP2_3
TYP1
ZI1
ZI2_3
Table 9- 129 SI_none structure
Structure element
SI_Format
OB_Class
OB_Nr
Table 9- 130 SI_ProgramCycle structure
Structure element
SI_Format
OB_Class
OB_Nr
Initial_Call
Remanence
442
Data type Description
BYTE
Bits 0 to 3: Event ID
•
Bits 4 to 7: Event class
•
BYTE Event number
BYTE Priority class number
(Meaning of B#16#FE: OB not available or disabled or cannot be started in
current operating mode)
BYTE OB number
BYTE Data ID 2_3:
Identifies the information entered in ZI2_3
BYTE Data ID 1:
Identifies the information entered in ZI1
WORD Additional information 1
DWORD Additional information 2_3
Data type Description
USINT
16#FF = No information
•
16#FE = Optimized start information
•
USINT OB class for "No information" or "Optimized start information"
UINT OB number (1 ... 32767)
Data type Description
USINT
16#FF = No information
•
16#FE = Optimized start information
•
USINT := 1 OB class for "No information" or "Optimized start information"
UINT OB number (1 ... 32767)
BOOL For OB_Class = 1, 30, 52, 61, 65
BOOL For OB_Class = 1
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK