Download High Performance Model QCPU(Q Mode)User`s Manual(Hardware

11 TROUBLESHOOTING
MELSEC-Q
Special Relay List (Continued)
ACPU
Special
Special
Special Relay after Relay for
Relay Conversion Modification
Name
Meaning
M9036
SM1036
Always ON
ON
OFF
M9037
SM1037
Always OFF
ON
OFF
M9038
SM1038
ON for 1 scan
only after RUN
ON
OFF
M9039
SM1039
ON
OFF
M9040
SM1040
SM206
M9041
SM1041
SM204
M9042
SM1042
SM203
RUN flag(After
RUN, OFF for 1
scan only)
PAUSE enable
coil
USE
statuscontact
STOP status
contact
M9043
SM1043
SM805
M9044
SM1044
M9045
SM1045
M9046
SM1046
SM802
Sampling trace
M9047
SM1047
SM801
Sampling trace
preparations
M9049
SM1049
SM701
Selection of
number of
characters output
M9051
SM1051
CHG instruction
execution disable
M9052
SM1052
SEG instruction
switch
M9054
SM1054
SM205
STEP RUN flag
M9055
SM1055
SM808
Status latch
completion flag
M9056
SM1056
Main side P, I set
request
M9057
SM1057
Sub side P, I set
request
M9058
SM1058
M9059
SM1059
M9060
SM1060
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SM803
SamplingTrace
completed
Sampling trace
Watchdog timer
(WDT) reset
Main program P,
I set completion
Sub program P, I
set completion
Sub program 2 P,
I set request
1 scan
1 scan
OFF: PAUSE disabled
ON : PAUSE enabled
OFF: PAUSE not in effect
ON : PAUSE in effect
OFF: STOP not in effect
ON : STOP in effect
OFF: Sampling trace in
progress
ON : Sampling trace
completed
Details
Applicable
CPU
• Used as dummy contacts of initialization and application
instruction in sequence program.
• SM1038 and SM1037 are turned on and off without
regard to position of key switch on CPU front. SM1038
and SM1039 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. SM1038 is on for one scan only and
SM1039 is off for one scan only if the key switch is not in
STOP position.
• When RUN key switch is at PAUSE position or remote
pause contact has turned on and if SM204 is on, PAUSE
mode is set and SM206 is turned on.
• Switched on when the RUN key switch is in STOP
position.
• 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.
• Turning on/off SM803 can execute STRA / STRAR
instruction.
OFF ON STRA
(SM803 is forcibly turned on/off by a peripheral device.)
Same as execution When switched from OFF to ON: STRA instruction
ON OFF STRAR
When switched from ON to OFF: STRAR instruction
Same as execution The value stored in SD1044 is used as the condition for
the sampling trace.
At scanning, at time → Time (10 msec unit)
• The SM1015 relay is turned on to reset the WDT when
OFF: Does not reset WDT
the ZCOM instruction and data communication request
ON : Resets WDT
batch processing are executed (used when the scan time
exceeds 200 ms).
OFF: Trace not in progress
• Switched on during sampling trace.
ON : Trace in progress
OFF: Sampling trace
• Sampling trace is not executed unless SM801 is turned
suspended
ON.
ON : Sampling trace started
• Sampling trace is suspended when SM801 goes OFF.
• When SM701 is OFF, characters up to NUL (00H) code
OFF: Output until NULL code
are output.
encountered
• When SM701 is ON, ASCII codes of 16 characters are
ON : 16 characters output
output.
• Switched ON to disable the CHG instruction.
OFF: Enabled
• Switched ON when program transfer is requested.
ON : Disable
Automatically switched OFF when transfer is complete.
• When SM1052 is ON, the SEG instruction is executed as
OFF: 7SEG segment display
an I/O partial refresh instruction.
ON : I/O partial refresh
• When SM1052 is OFF, the SEG instruction is executed
as a 7-SEG display instruction.
OFF: STEP RUN not in effect • Switched on when the RUN key switch is in STEP RUN
ON : STEP RUN in effect
position.
OFF: Not completed
• Turned on when status latch is completed. Turned off by
ON : Completed
reset instruction.
OFF: Other than when P, I set
being requested
• Provides P, I set request after transfer of the other
ON : P, I set being requested
program (for example subprogram when main program is
being run) is complete during run. Automatically switched
OFF: Other than when P, I set
off when P, I setting is complete.
being requested
ON : P, I set being requested
Momentarily ON at P, I set
completion
• Turned ON once when the P, I set has been completed,
and then turned OFF again.
Momentarily ON at P, I set
completion
• Provides P, I set request after transfer of the other
OFF: Other than when P, I set
program (for example subprogram when main program is
being requested
being run) is complete during run. Automatically switched
ON : P, I set being requested
off when P, I setting is complete.
QnA
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