Mitsubishi MELSEC Q Series - Page 1167

App-159
8
8
8
8
A
6
7
8
Appendix3 SPECIAL RELAY LIST
SM410 0.1 second clock
• This relay repeatedly turns on and off at the
specified interval.
• This relay starts with off at power-on or
reset of the CPU module. (Note if the
specified time has elapsed, on/off status
will change even during program
execution.)
S (Status
change)
M9030
QCPU
LCPU
SM411 0.2 second clock M9031
SM412 1 second clock M9032
SM413 2 second clock M9033
SM414 2n second clock
• This relay repeatedly turns on and off at the
interval specified in SD414 (unit: second).
• This relay starts with off at power-on or
reset of the CPU module. (Note if the
specified time has elapsed, on/off status
will change even during program
execution.)
M9034
format
change
SM415 2n (ms) clock
• This relay repeatedly turns on and off at the
interval specified in SD415 (unit: ms).
• This relay starts with off at power-on or
reset of the CPU module. (Note if the
specified time has elapsed, on/off status
will change even during program
execution.)
New
Qn(H)
QnPH
QnPRH
QnU
LCPU
SM420
User timing clock
No.0
• This relay repeatedly turns on and off at the
specified scan intervals.
• This relay starts with off at power-on or
reset of the CPU module. (For the
redundant CPU, however, this relay will
become always off after system switching.)
• The on/off scan intervals are set by the
DUTY instruction.
•n1: On scan interval
•n2: Off scan interval
S (Every END
processing)
M9020
QCPU
LCPU
SM421
User timing clock
No.1
M9021
SM422
User timing clock
No.2
M9022
SM423
User timing clock
No.3
M9023
SM424
User timing clock
No.4
M9024
SM430
User timing clock
No.5
For use with SM420 to SM424 low speed
programs
New
Qn(H)
QnPH
SM431
User timing clock
No.6
SM432
User timing clock
No.7
SM433
User timing clock
No.8
SM434
User timing clock
No.9
Number Name
Meaning
Explanation
Set by
(When Set)
Corres-
ponding
ACPU
M9
Corresponding
CPU
0.05s
0.05s
0.1s
0.1s
0.5s
0.5s
1s
1s
ns
ns
n(ms)
n(ms)
n1 scan
n2 scan n2 scan
DUTY n1 n2 SM420