Mitsubishi Electric Melsec A Series - Page 53

4. A2CCPU
MELSEC-A
~ A2C Operation
Sequence Program
Data Memory
Processing
External
Output
A2C State
<,
Operation
(M, l, S, T, C, D)
RUN ~ STOP Stopped
Output status is saved by the as
Status at the time of STOP is
and all outputs switched off. retained.
STOP ~ RUN Started
Depends on the
STOP .. RUN
Operation is resumed in the status
output mode set in the parameter. at the tima of STOP.
RUN
~ PAUSE
Stoppad
Output status is retained.
Status at the time of PAUSE is
retained.
PAUSE ~ RUN Started
Operation resumes In the PAUSE
Operation resumes in the status at
output status.
the time of PAUSE.
(4) The relationship between the A2CCPU operation state and operation
processing is indicated in Table 4.3.
I Table 4.3 A2C Operation Processing
(5) Processing while sequence program operation processing is stopped
is indicated in Table 4.4.
Table 4.4 Processing During Program Operation Stop
Processing Timer!
Constant
Counter
Scan
CPU Error
Present
Processing
Link Sampling
Operation
I/O Refresh
Check
Value and
(with
Refresh Trace
State Check
Contact
constant
Processing Processing
Statu.
scan set)
A2C State Update
RUN (END
Executed Executed Executed
Executed Enable Executed Executed
processing)
STOP
Executed
Executed
- -
Enable
-
Executed
PAUSE Executed Executed
- -
Enable
-
Executed
•
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