Table 15 System Fault Word (Actual Signal 02.21).
Bit
Name
0
FLT (F1_7)
1
USER MACRO
2
FLT (F1_4)
3
FLT (F1_5)
4
FLT (F2_12)
5
FLT (F2_13)
6
FLT (F2_14)
7
FLT (F2_15)
8
FLT (F2_16)
9
FLT (F2_17)
10
FLT (F2_18)
11
FLT (F2_19)
12
FLT (F2_3)
13
FLT (F2_1)
14
FLT (F2_0)
15
Reserved
Description
Factory default parameter file error.
User Macro file error.
FPROM operating error.
FPROM data error.
Internal time level 2 overflow.
Internal time level 3 overflow.
Internal time level 4 overflow.
Internal time level 5 overflow.
State machine overflow.
Control program execution error.
Control program execution error.
Illegal instruction.
Register stack overflow.
System stack overflow.
System stack underflow.
157
Fieldbus control