Mitsubishi Q00JCPU User Manual page 735

10
DEVICE EXPLANATION
(4) Setting whether to use a local device (use for each
Universal
UD
Note10.34
Click the File usability setting
Note35
When setting local devices for each program in the Universal model QCPU, check the versions
Universal
UD
of CPU module and GX Developer. (
Note10.34
program) Note10.34 Note35
Setting whether to use a local device for each program can reduce the scan time. For
the Universal model QCPU, the size of the local device file can be reduced because
the programs not using a local device does not create the area for saving and
restoring data.
Program execution
Program A
Program B
Program C
Scan time decreases because
saving/restoring process is not
performed.
Figure 10.104 Configuration of local device file restoration area
(a) Setting method
In addition to the setting in (3) in this section, set the following:
Select "File usability setting" from "Program" in "PLC parameter", and set
programs that use local devices.
button.
Figure 10.105 File usability setting screen
Local device file (.QDL)
Save/Restore
For program A
For program C
File size decreases because the area
for saving/restoring data for program B
is not created. (Only for Universal model QCPU)
Appendix 4.5)
10.14 Convenient Usage of Devices
10.14.2 Local devices
9
10
11
12
10
- 120