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(4) Setting of whether to use a local device (for each program)
Use of the local device can be set for each program, and this function can reduce the scan time.Note 6.3
Also, since the area for saving and restoring data is not required for the programs not using a local device, the
local device file size can be reduced.
(a) Setting method
In addition to the setting in (3) in this section, set the following.
Select the File Usability Setting button in the Program tab of the PLC parameter dialog box, and specify the
programs that use the local device.
Note 6.3
When setting local devices for each program with the Q02UCPU, Q03UDCPU, Q04UDHCPU, Q06UDHCPU,
Q13UDHCPU, or Q26UDHCPU, check the versions of the CPU module and programming tool used. ( Page 465,
Appendix 2)
Program A
Program B
Program C
Program execution Local device file (.QDL)
Save/Restore
Save/Restore
Save/Restore
File size can be reduced since the saving or
restoring area for program B is not created.
For program A
For program C
Scan time decreases because saving
/restoring process is not performed.
button.Click the
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