Siemens SIMATIC S7 System Manual page 223

GetError
Table 7- 119 GetError instruction
LAD / FBD SCL
Not available
Table 7- 120 Data types for the parameters
Parameter Data type
ERROR ErrorStruct
Table 7- 121 Elements of the ErrorStruct data structure
Structure components
ERROR_ID
FLAGS
REACTION
CODE_ADDRESS
BLOCK_TYPE
CB_NUMBER
OFFSET
MODE
S7-1200 Programmable controller
System Manual, 11/2011, A5E02486680-05
Description
Indicates that a local program block execution error has occurred and fills a
predefined error data structure with detailed error information.
Description
Error data structure: You can rename the structure, but not the members within the
structure.
Data type Description
Word Error ID
Byte Shows if an error occurred during a block call.
16#01: Error during a block call.

16#00: No error during a block call.

Byte Default reaction:
0: Ignore (write error),

1: Continue with substitute value "0" (read error),

2: Skip instruction (system error)

CREF Information about the address and type of block
Byte Type of block where the error occurred:
1: OB

2: FC

3: FB

UInt Number of the code block
UDInt Reference to the internal memory
Byte Access mode: Depending on the type of access, the following
information can be output:
Mode
0
1
2
3
4
5
(A) (B)
Location Scope
100BBasic instructions
7.8 Program control
(C) (D)
Offset
Area
Number
Area Offset
Area DB no. Offset
(E)
223