Technical data

Control bit
or ID in
ISTACK
Explanation
Table 5-9 continued:
DB2-FE
1)
Error evaluating DB 2 of the controller structure
R64
DX0-FE
1)
Error evaluating data block DX 0
or
Error evaluating data block DX 2
1)
for further explanations: see the following pages
5.5.1
DB0-FE (DB 0 Errors)
Errors when setting up the block address list (data block DB 0).
DB 0 is set up by the system program following POWER ON. If a
DB 0 error occurs, you will find error identifiers in the system data
words RS 3 and RS 4 that define the error in greater detail.
Error identifier
RS 3 RS 4
Explanation
8001HyyyyH Wrong block length
yyyy = address of the block with the wrong
length
8002HyyyyH
Calculated end address of the block in the
memory is wrong
yyyy = block address
8003HyyyyH Invalid block identifier
yyyy = address of the block with the incorrect
identifier
8004HyyyyH Organization block number too high
(permitted: OB 1 to OB 39)
yyyy = address of the block with the incorrect
number
8005HyyyyH Data block number 0 (permitted: DB 1 to
DB 255)
yyyy = address of the block with the incorrect
number
Table 5-10 IDs for DB 0 errors
5
Errors during RESTART
CPU 928B Programming Guide
C79000-B8576-C898-01 5 - 33