Technical data

Table Of Contents
SFCs for Handling Synchronous Errors
System Software for S7-300/400 System and Standard Functions - Volume 1/2
11-6
A5E00709327-01
Programming Error High Word
The following table lists the errors assigned to the high word of the error filter for
programming errors. The possible causes of errors are also listed.
Possible Causes of Programming Errors, High Word
Error
Event ID
(W#16#...)
Error Occurs ...
Write error data block 2530 ... when the data block to be written to is read only.
Write error instance data
block
2531 ... when the instance data block to be written to is read only.
Block number error DB 2532 ... when a data block must be opened whose number is
higher than the highest permitted number.
Block number error DI 2533 ... when an instance data block must be opened whose
number is higher than the highest permitted number.
Block number error FC 2534 ... when a function is called whose number is higher than
the highest permitted number.
Block number error FB 2535 ... when a function block is called whose number is higher
than the highest permitted number.
DB not loaded 253A ... when the data block to be opened is not loaded.
FC not loaded 253C ... when the called function is not loaded.
SFC does not exist 253D ... when the called system function does not exist.
FB not loaded 253E ... when the function block to be called is not loaded.
SFB not existing 253F ... when the called system/standard function block does not
exist.
Access Errors
The following table lists the errors assigned to the error filter for access errors for
all CPUs. The possible causes of the errors are also listed.
Error Event ID (W#16#...) Error Occurs ...
I/O access error
when reading
2942 ... when no signal module is assigned to the address in the
I/O area.
Or
... when access to this I/O area is not acknowledged within
the selected module watchdog time (timeout).
I/O access error
when writing
2943 ... when no signal module is assigned to the address in the
I/O area.
Or
... when access to this I/O area is not acknowledged within
the selected module watchdog time (timeout).