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FX Series Programmable Controllers Object Function Description 8
8-87
8.13.4 Change screen
The "Change screen" object allows to change over the screen to the specified No. when a key (mechanical
key, touch key) is pressed.
Change screen setting dialog box
Input items
1 ) Condition
The screen is changed over when the condition set in "Control input", "Bit Device" and "Active when" is
satisfied.
Control input:Displays the key (mechanical key or touch key) name selected on the previous window.For
the keys available in each DU type, refer to "1. Switch" in Paragraph 8.11.1
Bit Device:Specify a bit device in the PC.
Active when:Select "ON" or "OFF" when a bit device is specified.
2 ) Destination screen
Select the method to specify the DU screen No. which is to be displayed when the condition specified in
1) Condition is satisfied.
Direct: Enter a numeric from 0 to "Maximum number of user screens -1" as a user screen No.
or a system screen No. (500 or more in the 50DU-TK, 1001 or more in the F940GOT).
Or select a desired screen from the drop-down type screen list.
When a system screen is specified in the F940GOT, add a check mark to 3) Save
Current Screen so that processing can be returned from the system screen to a user
screen.
PLC data register: Specify a data register for screen changeover as a screen specification register for
control device.
In other words, the changeover destination screen No. can be specified using a PC
program.
DU memory: The screen No. set and stored on a previous screen is selected as the changeover
destination. (The screen No. displayed in the memory in the DU is stored.)
3 ) Save current screen in DU-Memory
When the check mark “
"
” is displayed by clicking the mouse, the current screen No. is regarded as the
changeover destination when "DU memory" is selected in 2) Destination screen on a later screen.
Screen List Window
Objects
Screen
Keys
Header
"
2)
1)
3)
How to change over the screen without manipulating any key
The screen can be changed over by selecting "Object", "Indicator" and "Change screen" on the object
list window.
The setting window displayed at that time is equivalent to the window shown above except that
"Control input" in 1) Condition is not provided.