Specifications

Graphic Operation Terminal GOT-F900 Creation of Display Screens 6
6-17
6.5.3 Overlay function
The base screen and up to two other screens (3 screens in total) can be overlaid. Perform the
following setting in accordance with the screen creation software used.
1) Setting in FX-PCS-DU/WIN-E
Use control devices to realize screen overlay (Refer to Section 6.6.).
Bit and word devices are available as Interface Devices. Only devices necessary for the
overlay function are described here.
Data register (D), timer (T) and counter (C)
The screen numbers to be overlaid can be specified using the contents of word devices set as
Interface Devices. The numbers of the screens currently displayed can be monitored in the
PLC.
D0 to D2 specify the screen numbers to be displayed. D3 to D5 specifies the screen numbers
of screens currently displayed.
#
Important point
• In FX-PCS-DU/WIN-E, three screens can be overlaid even if the "Overlay Screen" object is
used. In this case, however, the overlay function described here is not available.
GOT (FX-PCS-DU/WIN-E) PLC program
D0: Specifies the number of the base screen to be
displayed.
D1: Specifies the number of the screen to be
overlaid secondly.
D2: Specifies the number of the screen to be
overlaid thirdly.
When overlay is not performed, enter "-1" to both
D1 and D2.
D3: Stores the number of the screen currently
displayed.
D4: Stores the number of the second screen when
two or three screens are overlaid.
D5: Stores the number of the third screen when
three screens are overlaid.
Monitoring in a peripheral unit
User screen numbers (0 to 500) and system
screen numbers. (1,000 ~) are stored. When
overlay is not performed, "-1" is stored in D4 and
D5.
D
D
(
+1
)
D
(
+2
)
D
(
+3
)
D
(
+4
)
D
(
+5
)
D0
D1
D2
D3
D4
D5
In the initial setting, D0 to D5 are selected.
Six consecutive devices starting from "DO" are occupied.
(Refer to Section 6.6.1.)
MOV K**** D0
MOV K**** D1
MOV K**** D2