App-171
8
8
8
8
A
6
7
8
Appendix3 SPECIAL RELAY LIST
M9029 SM1029 ×
Batch
processing of
data
communications
requests
OFF : Batch
processing not
conducted
ON : Batch
processing
conducted
• When this relay is turned on in the program,
all the data communication requests accepted
during one scan are processed in the END
processing of that scan.
• The batch processing of data communication
requests can be turned on or off during
running.
• The default is OFF (processed one at a time
for each END processing in the order in which
data communication requests are accepted).
-
M9030 SM1030 -
0.1 second
clock
• 0.1-, 0.2-, 1-, and 2-second clocks are
generated.
• The relay turns on or off not for each scan, but
also during a scan if the time has elapsed.
• When the CPU module is powered on or
reset, this relay is set to on from off to start the
clock.
Qn(H)
QnPH
QnU
*1
LCPU
M9031 SM1031 -
0.2 second
clock
M9032 SM1032 - 1 second clock
M9033 SM1033 - 2 second clock
M9034 SM1034 -
2n minute
clock(1 minute
clock)
*2
• This relay repeatedly turns on and off
according to the number of seconds specified
in SD414. (Default: n = 30)
• The relay turns on or off not for each scan, but
also during a scan if the time has elapsed.
• When the CPU module is powered on or
reset, this relay is set to on from off to start the
clock.
M9036 SM1036 - Always ON
• This relay is used for initialization or as a
dummy contact of application instructions in
the program.
• SM1036 and SM1037 are turned on or off
regardless of the key switch setting on the
front face of the CPU module. The states of
SM1038 and SM1039 change depending on
the key switch setting.When it is set to STOP,
the relay is off.When it is set to other than
STOP, SM1038 is on for one scan only and
SM1039 is off for one scan only.
M9037 SM1037 - Always OFF
M9038 SM1038 -
ON for 1 scan
only after RUN
M9039 SM1039 -
RUN flag(After
RUN, OFF for 1
scan only)
ACPU
Special
Relay
Special
Relay after
Conversion
Special
Relay for
Modification
Name Meaning Details
Corres-ponding
CPU
0.05s
0.05s
0.1s
0.1s
0.5s
0.5s
1s
1s
ns
ns
ON
OFF
ON
OFF
ON
OFF
1 scan
ON
OFF
1 scan