GP-Pro Ex Reference Manual - A.1.2.2 System Data Area (Memory Link)

Word Address	Description	Bit	Introduction
0	Reserved	—	Reserved
1	Status	0 to 1	Reserved
		2	Printing
		3	Data Display Part Write Setting Value
		4 to 7	Reserved
		8	Data Display Part Input Error
		9	Display ON/OFF 0: ON, 1: OFF
		10	Detect Backlight Burnout
		11 to 15	Reserved
2	Reserved	—	Reserved
3	Error Status	0 to 2	Unused
		3	Screen Memory Checksum
		4	SIO Framing
		5	SIO Parity
		6	SIO Overrun
		7 to 9	Unused
		10	Backup Battery Low Voltage
		11 to 15	Unused
4	Clock's current "Year"^*1	0 to 7	Last 2 digits of year (2 BCD digits)
4	Clock's current "Year"^*1	8 to 15	Unused
5	Clock's current "Month"^*1	0 to 7	01 to 12 (2 BCD digits)
5	Clock's current "Month"^*1	8 to 15	Unused
6	Clock's current "Day"^*1	0 to 7	01 to 31 (2 BCD digits)
6	Clock's current "Day"^*1	8 to 15	Unused
7	Clock's current "Hours"^*1	0 to 7	00 to 23 (2 BCD digits)
7	Clock's current "Hours"^*1	8 to 15	Unused
8	Clock's current "Minutes"^*1	0 to 7	00 to 59 (2 BCD digits)
8	Clock's current "Minutes"^*1	8 to 15	Unused
9	Reserved	—	Reserved
10	Interrupt Output (When touch is OFF)^{2 3}	—	If writing to a Word Switch (16 bit), when you take your finger off the Switch, the bottom 8 bits are output as an interrupt code.
11	Control	0	Backlight OFF
		1	Buzzer 4 5 *6
		2	Print Started
		3	Reserved
		4	Buzzer Output*4
		5	Enable AUX Output*5
		6	Writes "FFh" when you touch a screen and return to the screen (from "Display OFF" to "Display ON"). 0: Do not output interrupt 1: Output interrupt
		7 to 10	Reserved
		11	Print Canceled
		12 to 15	Reserved
12	Screen Display ON/OFF	—	Turn Screen Display OFF with FFFFh Display screen with 0h
13	Interrupt Output (When touch is ON)^2 ^3	—	When writing to a Word Switch (16 bit), the bottom 8 bits are output as an interrupt code.
14	Reserved	—	Reserved
15	Current Screen Number^7 ^8	—	1 to 9999 (BIN) 1 to 7999 (BCD)
16	Window Control	0	Window Display 0: OFF, 1: ON
		1	Change Window overlap order 0: Permitted, 1: Not permitted
		12 to 15	Reserved
17	Window Number	—	Global Window's registration number selected indirectly: 1 to 2000 (BIN/BCD)
18	Window Display Position (X Coordinate)	—	Global Window's top-left display position, selected indirectly (BIN/BCD).
19	Window Display Position (Y Coordinate)	—

^*1 When using WinGP, setting up the Year/Month/Date/Minute will update WinGP and the shared IPC/computer clock.

^*2 When you write data 0x00 to 0x1F, communication problems may occur. This is unaffected by [System Settings] workspace, [Display Unit] screen's [Touch Panel Detection] setting.
Word address 10 interrupts output on release (when touch is OFF) and word address 13 interrupts outputs on touch (when touch is ON).
The buzzer on the switch sounds to inform the operator the operation is executing.
Therefore, by setting up addresses 10 and 13 to one switch using the [Multifunction List], the buzzer sounds whenever touch turns ON and touch turns OFF.

^*3 You can use D-script for word address interrupt outputs.
When using D-script to write values to word address 10 or 13, the bottom 8 bits are output as an interrupt code.

^*4 to use this feature, go to [System Settings] window, click [Display Unit], and in the [Operation] tab select the [Touch Buzzer Sound] check box.

^*5 to use this feature, go to [System Settings] window, click [Display Unit], and in the [Operation] tab select the [Output to External Buzzeer Terminal] check box.

^*6 It is used with LS0014 Bit 4 (Enable Buzzer Output) or Bit 5 (Enable AUX Output).

^*7 to use the direct access method and memory link method together, set the [Reflect in Device/PLC] option from the System Settings window, [Display Unit] page, [Display] area. If the [Reflect in Device/PLC] is not set, the screen change using the memory link method will be disabled because even if you write a screen number to the address "0015" using memory link method, the value will be changed to LS0008 by communicating using direct access method right away.
When the screen is changed using the mapped device/PLC's System Data Area [Change- to Screen] address, the screen change number is reflected in LS0008 regardless of the [Reflect in Device/PLC] setting.

^*8 Change Screens by touch is not available while the top bit (forced screen change bit) in the mapped device/PLC's System Data Area [Change- to Screen] address is ON. However, you can use the system variable #H_ChangeScreenNo to change screens.

Monitor only the necessary bits. Reserved bits are sometimes used for display unit system maintenance, so do NOT turn them ON/OFF.

When an error occurs in the display unit, the corresponding bit turns ON. After the bit turns ON and the power turns OFF, the status is maintained until the GP changes from offline mode back to active mode.

Whatever the value, it will be stored in BCD, in top bits 0 to 7.
[Year] is the 2 digits of the year, [Month] is 2 digits from 01 to 12, [Day] is 2 digits from 01 to 31, [Hour] is 2 digits from 00 to 23, and [Minute] is 2 digits from 00 to 59.

If writing to a Word Switch (16 bit), when you take your finger off the Switch, the bottom 8 bits are output as an interrupt code. (Control code "FFh" will not be outputted.)

Shows the screen when the value is "0h" and hides the screen when the value is "FFFFh". Values other than "0h" and "FFFFh" are reserved. When the screen display is hidden, the next touch on the screen will turn the display back ON.

When writing to a Word Switch (16 bit), the lower 8 bits are output from the display unit to the host as an interrupt code.

Set the Change- to Screen Number. The setup range differs depending on the [Data Type of Display Screen Numbers] option, available from the [System Settings] window's [Display Unit] link, in the [Display] tab's [Screen Settings] area.

*7 to use the direct access method and memory link method together, set the [Reflect in Device/PLC] option from the System Settings window, [Display Unit] page, [Display] area. If the [Reflect in Device/PLC] is not set, the screen change using the memory link method will be disabled because even if you write a screen number to the address "0015" using memory link method, the value will be changed to LS0008 by communicating using direct access method right away. In addition, screen change using LS0008 is not reflected to the mapped device/PLC's System Data Area [Change- to Screen]. As a result, screen changes may not be available from the device/PLC. (Unable to return to the screen before switching)
If you are not setting the [Reflect in Device/PLC] option, design the system to clear the change screen number to zero after screens are changed.
There is a method to change screens by force when you cannot change screens from the device/PLC side.
Turn ON the top bit (forced screen change bit) in the mapped device/PLC's System Data Area [Change- to Screen] address, and use the other bits to define the change to screen number. (Enter the address that is the value of which 8000(h) is added to the screen number you want to display. ) While the force screen change bit is ON, you cannot use touch operations to change screens. However, you can use the system variable #H_ChangeScreenNo to change screens.

Stores the Global Window's registration number selected indirectly: 1 to 2000 (BIN/BCD)

Stores the Global Window's top-left display position, selected indirectly. "+18" shows the X coordinate, "+19" shows the Y coordinate. The data type is BIN or BCD.