5
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5.1 Basic Model QCPU
5.1.2 Program memory
5
MEMORIES AND FILES USED IN CPU MODULE
(b) Create a user setting system area
When formatting the program memory, set the user setting system area capacity.
1) Do not create a user setting system area
The program memory is formatted without the user setting system area being
created.
2) Create a user setting system area
The user setting system area is created during formatting.
There are the following user setting system areas (Table5.3).
POINT
When the user setting system area is created, the available area decreases by
the number of created area steps.
The memory capacity can be checked from the Read from PLC screen of GX
Developer. (
(3)(c)in this section)
Table5.3 User setting system area type
System area type
Description
High speed monitor area
from other station
Setting this area speeds up monitoring from GX Developer connected
to a module such as a serial communication module.
When monitor is to be executed simultaneously from multiple locations,
this area is used to register the monitor data from GX Developers
connected to modules such as serial communication modules.
Online change area of
multiple blocks
(Online change area of
FB definition/ST)
Setting this area enables multiple blocks of data to be changed online.
Refer to the following manual for the number of blocks to which online
change can be made in this area setting.
GX Developer Operating Manual
