Siemens SIMATIC S7-1200 - Page 442

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