I
•
4.A2CCPU
--------------------
MELSEC-A
(2) STOP operation processing
(a) The STOP state indicates the state in which sequence program
operation has been
stopped
using
the
RUN switch or the remote
STOP switch.
(b) When the PC CPU enters the
stop
state, it saves
the
output
statuses
before
turning
off all
outputs
(Y).
Note
that
the
status of devices
other than
the
outputs
(Y)
is retained.
(c) In the STOP state,
the
processing illustrated in Fig.
4.9
is repeated
until the operation state is changed from STOP to RUN or PAUSE.
(
STOP
)
I
Output state is saved and all
outputs are turned off
I/O modules are refreshed
I
CPU error check
I
Operation state check
I
Fig. 4.9 STOP
Operation
Processing
IREMARKSI
(1) To set the PC CPU in the stop state, use one of the following
methods:
a) RUN
switch
•
b) Remote STOP contact
c) Peripheral device
d) STOP
command:
J-For details, refer to 4,2,3.
For details on individual processing, refer to the ACPU Programming Manual (common
instructions).
4-15
To Next Page
Loading...
