Siemens CPU 948 Programming Manual page 351

DX 0/DB1 errors
CPU 948 Programming Guide
C79000-G8576-C848-04
Error Parameter
number type
Table 8-9 continued:
1DH 08H AUTOMATIC WARM RESTART not
possible; COLD RESTART required
1EH 00H Illegal start-up type
1FH 01H Load/transfer error during block transfer
operation (incorrect memory area boundaries
with TNW, TXB, TXW)
20H 09H Illegal length for G DB/GX DX
21H 09H DB/DX already exists for G DB/GX DX
22H 09H Memory space insufficient for G DB/GX DX
23H 05H Masked system interrupt is coming through
24H 00H Block function (compress, transfer, input)
required in STOP, COLD RESTART
25H 00H Battery failure; no start-up possible
26H 00H Change from single to multiprocessor
operation prevents a WARM RESTART
27H 01H STOP caused by STP operation
28H 01H Continuous ready signal (I/O module defect))
29H 08H Error in DB 0 struct. after OVERALL RESET
Table 8-10 RS 75: Errors in DX 0 or DB 1
Error Parameter
number type
30H 00H No DX 0 in multiprocessing
32H 00H Proc. int. and sys. int. selected simultaneously
33H 00H Interrupts and mode incompatible
34H 06H Invalid DX 0 header
35H 07H Error in DX 0 block ID
36H 07H Error in DX 0 parameter
38H 06H No DB 1 in multiprocessing
39H 06H Invalid DB 1 header
3AH 07H DB 1 ID set more than once
3BH 07H DB 1 byte offset without ID
Bit Assignment of the System Data Words
Meaning
Meaning
Errors in DX 0
Errors in DB 1
8 - 27