Structure of the error
information in ACCU 1
31 24 23 18 15 8 7 0
ACCU 1 0 0 0 0 F U B 0 Error number 1 Error number 2 Error number 3
F = ’0’, means no error entry
= ’1’, means one or more errors entered
U = ’0’, means no error overflow (maximum three entries)
= ‘1‘, means error overflow (more than three entries)
B = ’0’, means no BREAK on the interface
= ’1’, means BREAK on the interface
BREAK
If there is a BREAK on the interface, OB 35 is only called at the
beginning of the BREAK state.
Error number 1 to error
number 3
Here, a maximum of three error numbers for errors detected on the
interface are entered in the order in which they were detected by the
system.
Meaning of the error numbers
The meaning of the error numbers and further information about
dealing with interface errors can be found in the communication
manual (Further Reading /14/).
5.6.12
OB 36: Error in Self-test OB 36 is called if one of the self-test routines detects an error when it
is run (for detailed information, refer to Section 5.7).
Causes of Error and Reactions of the CPU
CPU 948 Programming Guide
C79000-G8576-C848-04
5 - 33
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