11
CPU MODULE PROCESSING TIME
11.1 Scan Time
11.1.2 Time required for each processing included in scan time
11
- 12
9
P
a
ra
met
e
rs
10
Device
Exp
la
n
at
ion
11
CP
U
M
odu
le
P
ro
cessi
ng
Ti
m
e
12
P
roc
e
d
ure
f
or W
rit
in
g
P
rog
ra
m t
o CP
U Mo
du
le
A
p
pe
nd
ic
e
s
In
de
x
(c) Program memory check processing time
Note6
This indicates the time taken to make a program memory check when it has been
set in the PLC parameter dialog box of GX Developer.
Time required for program memory check
* 1 : Indicates the step set in the PLC RAS setting (2) of the PLC parameter dialog box. (
Note6
Basic
High
Performance
Note11.5
Note11.5
Since the Basic model QCPU, and High Performance model QCPU do not support the setting
for program memory check, it is not necessary to be conscious of this processing time.
Basic
High
Performance
Since the Universal model QCPU does not take processing time of memory check, it can be
ignored.
Universal
UD
Note11.6
Universal
UD
=
3.5 ms
Check capacity per scan (step)
1024
1
