IFM Ecomat 300 AC1307, Basic Device Manual

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15BError messages
111BHardware errors, exception errors
16-25
16.10 Hardware errors, exception errors
E E x x c c e e p p t t i i o o n n E E r r r r o o r r
STKOV: STKUN:
Seg: Off:
SP: R0:
CP: TFR:
O O K K E E S S C C
> The main processor has detected an exception error.
> All current activities are interrupted.
► Power the controllere off and on again
► If without success: note down the display information
and contact a sales specialist
i Tip
If this error message is shown immediately after power on, execution of the PLC
program can be prevented:
► During power on press the left function key of the device and keep it pressed.
> The PLC program is declared as "non valid", no longer initialised and no
longer executed.
The following indications in the TFR register give more information about the failure
cause:
T T F F R R r r e e g g i i s s t t e e r r
D D 1 1 5 5 D D 1 1 4 4 D D 1 1 3 3 D D 1 1 2 2 D D 1 1 1 1 D D 1 1 0 0 D D 9 9 D D 8 8 D D 7 7 D D 6 6 D D 5 5 D D 4 4 D D 3 3 D D 2 2 D D 1 1 D D 0 0
NMI STKOF STKUF – – – – – UN
DOP
C
– – – PRTFLT ILLOPA ILLINA ILLBUS
B
B
i
i
t
t
N
N
a
a
m
m
e
e
P
P
o
o
s
s
s
s
i
i
b
b
l
l
e
e
e
e
r
r
r
r
o
o
r
r
s
s
o
o
u
u
r
r
c
c
e
e
NMI interrupt cannot be masked hardware
STKOF stack overflow PLC program / hardware
STKUF stack underflow PLC program / hardware
UNDOPC unknown machine command PLC program / hardware
PRTFLT 32-bit code error PLC program / hardware
ILLOPA invalid access to 16-bit operand PLC program / hardware
ILLINA invalid jump address PLC program / hardware
ILLBUS invalid access to external bus hardware
Examples: TFR 0004 invalid access to 16-bit operand, e.g. by the PLC
TFR 0002 invalid jump address, e.g. by the PLC