App-160
(4) Scan information
(5) I/O refresh
*1 This applies to the CPU of function version B or later.
Number Name
Meaning
Explanation
Set by
(When Set)
Corres-
ponding
ACPU
M9
Corresponding
CPU
SM510
Low speed
program
execution flag
OFF : Completed or not
executed
ON : Execution under
way.
This relay is on while a low-speed execution
type program is being executed.
S (Every END
processing)
New
Qn(H)
QnPH
SM551
Reads module
service interval
OFF : Ignored
ON : Read
When this relay is turned on, the service
interval of the module specified by SD550 is
read to SD551 and SD552.
UNew
Qn(H)
QnPH
QnPRH
Number Name
Meaning
Explanation
Set by
(When Set)
Corres-
ponding
ACPU
M9
Corresponding
CPU
SM580
Program to
program I/O
refresh
OFF : Not refreshed
ON : Refreshed
When this relay is turned on, I/O refresh is
performed after execution of the first
program, and then the next program is
executed. When a sequence program and a
SFC program are to be executed, the
sequence program is executed, I/O refresh
is performed, and then the SFC program is
executed.
UNew
Q00J/Q00/Q01
*1
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