4.
AZCCPU
/MELSEC-A
4.1.3
ml
procedng
proceesing returns
the
A2C
to
step
0
after the
w]
(FEND)
instruction
execution
to
allow repeated operation processing.
(1)
CPU error check
Checks
battery
power, etc..
See
Section
4.3.1
for
details.
(2)
Timerkounter processing
Updates timer/counter present values and contact status. For
further details,
see
Section
4.1.4
and
4.1.5.
(3)
Sampling trace processing
Stores the specified device status
to
the sampling trace area
when the sampling trace is executed every scan (after
execution).
-i
3
(4)
Operation state check
Checks operation state
of
the A2C and switches
to
the
ml
state. For transition processings to the
-1
states,
see
Section
4.1.9.
(5)
Constant scan processing
Allows the repeated operation processing
to
be
initiated after
the specified constant Scan time (set
to
special data register
09020)
is reached.
i
1
I
I
U
n
n
4-4
L.
1
18
IW
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