4.
Axcpu
/MELSEC-A
4.4.2
Operation mode
at
an
occurrence
of
error
Whether the sequence program operation is continued or stopped
at
an
occurrence of an error is set.
\
--
Y
Iperstion
ram;
a
velw
wtaide
the
mnge
An
error in a
sequence
prog-
IS
conwed
mto
BCD
data.
Status
of
a
mote
YD
statlon
module
of
the
MELSECNET
module rent from the
VO
module
ea-
VO
data
link system atatus
Me-
verify
tus
recognized den
the
pow-
error or
was
turned
ON
is
detected.
(removalllocating of
a
32-
mr
~fotosss~
(qrotow)
continue
ON
Flash
Fuss blown in
a
remote
VO
station module of
MELSECNET
data link
fuse
blown is
detected
:unction
module
error
A
FROM
-
TO
instruction
is
executed for
a
atation which
has
not been
set
as a remote
terminal.
stop
Flash
stop
tinue
OWOFF
M9010 m10
M9011 09011
50
M9002
Dgoo2
31
'2
ONOFF
MgOOO
Dgooo
32
M9010 09010
M9011 09011
46
Table
4.9
AX
Status
at an
Occurrema
of
Error
*1:
The "RUN" LED is
lit
or flashes according to the setting for
operation (continue or stop).
Continue....--ON
0
Stop
......
Flash
*2:
The "ERROR" LED is
lit
or not
lit
according to the setting for
"ERROR" LED display order. For details,
see
Section
4.2.8.
4.4.3
STOP
+
RUN
output
mode
The status of outputs
(Y)
at the time the RUN
key
switch is set from
the
STOP
position to the RUN position is set.
(a) Status before operation:
(b)
Status after operation execution:
The output status just before the operation is output.
Sequence program is executed one scan with the output
status (OFF)
at
the time
the
A2C
was
in
the STOP state; the
resulting status is output.
How the output status varies according to the setting is
explained using
a
sample circuit shown below.
I-;?-(
SET
Y20
)-I
ON/OFFrt.tUrOfY20
status
mom
St8tUs
.ft.r
OP-tiOn
-@x-,
X0
is turned ON during RUN ON ON
OFF
OFF
STOP
-.
RUN
ON
OFF
RUN
-
STOP
X0
is
turned
OFF
-
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