21 DEVICES
21.10 Refresh Data Register (RD)
359
21
Clearing file registers
To clear the file registers, use the following methods (
• Clearing in the program: write 0 into the file register range to be cleared.
• Clearing with engineering tool: clear them using engineering tool (
GX Works3 Operating Manual)
21.10
Refresh Data Register (RD)
This device is provided for using as a refreshing target of buffer memory on the various devices, such as an intelligent function
module. Refresh Data Register (RD) is assigned into the refresh memory area. (
Refresh memory setting
[CPU Parameter]
[Memory/Device Setting]
[Refresh Memory Setting]
Window
Displayed items
Item
Description
Setting range
Default
Total Points
Check the total number of points for the refresh data register and
the assigned area.
1024K Point
Refresh Data Register (RD) area
Set the number of points of refresh data register.
0 to 1024K points (in
one-point increments)
512K Point
Module Label Assignment Area
Set the number of points for the module label assigned area.
0 to 1024K points (in
one-point increments)
512K Point
Intelligent function module
CPU module
Refresh memory
Refresh
Buffer memory
Module
label-assigned
area
Refresh
data register
(RD)
Содержание MELSEC iQ-R-R00CPU
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Страница 323: ...18 SEQUENCE SCAN SYNCHRONIZATION SAMPLING FUNCTION 321 18 MEMO ...
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Страница 423: ...26 BASIC CONCEPT 26 8 State Transition of the Redundant System 421 26 MEMO ...
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