Mitsubishi A1SH, Руководство пользователя, Страница: 142 / 186

APPENDICES
APP - 8
MELSEC-A
Table 2.1 Special relay list (Continue)
Number Name Description Details Applicable CPU
M9030 0.1 second clock
0.05
seconds
0.05
seconds
M9031 0.2 second clock
0.1
seconds
0.1
seconds
M9032 1 second clock
0.5
seconds
0.5
seconds
M9033 2 second clock
1
second 1
second
M9034 1 minute clock
30
seconds
30
seconds
• 0.1 second, 0.2 second, 1 second, 2 second, and 1
minute clocks are generated.
• Not turned on and off per scan but turned on and off
even during scan if corresponding time has elapsed.
• Starts with off when power is turned on or reset is
performed.
Unusable with
A3V.
M9036 Normally ON
ON
OFF
M9037 Normally OFF
ON
OFF
M9038
On only for 1
scan after run
ON
OFF
1 scan
M9039
RUN flag
(off only for 1
scan after run)
ON
OFF
1 scan
• Used as dummy contacts of initialization and
application instruction in sequence program.
• M9036 and M9037 are turned on and off without
regard to position of key switch on CPU front. M9038
and M9039 are under the same condition as RUN
status except when the key switch is at STOP
position, and turned off and on. Switched off if the
key switch is in STOP position. M9038 is on for one
scan only and M9039 is off for one scan only if the
key switch is not in STOP position.
Usable with all
types of CPU
M9040
PAUSE enable
coil
OFF: PAUSE disabled
ON: PAUSE enabled
M9041
PAUSE status
contact
OFF: Not during pause
ON: During pause
• When RUN key switch is at PAUSE position or
remote pause contact has turned on and if M9040 is
on, PAUSE mode is set and M9041 is turned on.
Usable with all
types of CPU
M9042
Stop status
contact
OFF: Not during stop
ON: During stop
• Switched on when the RUN key switch is in STOP
position.
Usable with all
types of CPU
M9043
Sampling trace
completion
OFF: During sampling
trace
ON: Sampling trace
completion
• Turned on upon completion of sampling trace
performed the number of times preset by parameter
after STRA instruction is executed.
Reset when STRAR instruction is executed.
Unusable with A1
and A1N.
M9044 Sampling trace
OFF ON: STRA
Same as execution
ON OFF: STRAR
Same as execution
• Turning on/off M9044 can execute STRA /
STRAR instruction.
(M9044 is forcibly turned on/off by a peripheral
device.)
When switched from OFF to ON: STRA instruction
When switched from ON to OFF: STRAR
instruction
The value stored in D9044 is used as the condition
for the sampling trace.
At scanning, at time Time (10 msec unit)
Unusable with A1
and A1N.
M9045
Watchdog timer
(WDT) reset
OFF: WDT not reset
ON: WDT reset
• Turn on M9045 to reset the WDT upon execution of
a ZCOM instruction or data communication request
batch process. (Use this function for scan times
exceeding 200 ms.)
Unusable with A1
and A1N.