17.9.2 Format of Specified Address

As per the following format, values are used with the specified internal address.

Settings are stored according to the device size of the specified internal address.

When 16 bit device is specified

Data is used in units of words according to the device size.

For example, specified address is USR0100

When 32 bit device is specified

Data is used in Double Word units according to the device size.

However, the Text setting is used in units of words.

For example, specified address is USR0100

Specified Address+0: Display Trigger

• Display/Delete Messages

The same bit is used regardless of the size of the specified device (16 bit/32 bit device).

The action in each state is as follows.

• Delete

The message is deleted when the bit is turned OFF (Deleted State), and the Displayed State Bit is updated to OFF.

• Display

The message is displayed according to the value of the address after Language (Specified Address+4). The Display Completion bit will be updated to ON.

• Displayed

The state in which the message display is completed. To update the message, follow either one of the following procedures.

• [Display] (Turn OFF the Displayed State bit)

• [Delete], and then [Display]

• Display when Screen Changed

When the specified address of the Bulletin Message Parts to which the screen will be changed is in [Display] or [Displayed] state, the text will be displayed within the message display range after the screen is changed.

For example, same specified address is applied to all the Bulletin Message Parts set on the screen

Specified Address+1: Window Number

Specified Address+2: X coordinate of the window display position

Specified Address+3: Y coordinate of the window display position

Reserved addresses that are not used for Bulletin Message Parts

These addresses are used for window screen display if the internal address specified when [Indirect] is selected in the [Global Window Operation] setting is the same as the specified address of the Bulletin Message Parts.

Specified Address+4: Language

Select a language for the text to display.

Specified Address+5: Font

Set text font for the message to display.

• Standard font (stroke font for Thai) will be applied when a value other than the above is set for the font.

Specified Address+6: Text Size

Set the size of the text for the message to display.

The text sizes are as follows.

• Only vertical size is applied for Stroke Font.

• When a value other than the supported text size values is set, an error message indicating a font reading error will be displayed.

Specified Address+7: Number of Characters

Set the number of characters on which Text Color (Specified Address+8), Text Background Color (Specified Address+9) and Blink (Specified Address+10) are applied. Superposed characters such as Thai, which are displayed as one character using two character codes, should be calculated as one character with 2 bytes.

• Number of Characters (Specified Address+7), Text Color (Specified Address+8), Text Background Color (Specified Address+9) and Blink (Specified Address+10) must be set collectively as one setting.

• When the number of characters differs from Number of Characters (Specified Address+7), text will not be displayed properly. For example, different text from the set text may be displayed.

• When the total number of characters exceeds 160, only 160 characters will be displayed.

For example, displaying the following message on the base screen.

Specified Address+8: Text Color

Specified Address+9: Text Background Color

Set the display color and background color for the text.

Text color can be changed for each character.

• Number of Characters (Specified Address+7), Text Color (Specified Address+8), Text Background Color (Specified Address+9) and Blink (Specified Address+10) must be set collectively as one setting.

• Set to the start of the text you want to change.

• When a value other than the setting value is set, the lower bit 11 is used to display.

For example, Bulletin Message Parts are set on the base screen and the specified address is USR0100

Display text is "Standard Message Display".

Text color and background color for "Standard Message" are white and black, respectively.

Text color and background color for "Display" are black and white, respectively.

Specified Address+10: Blink

Set the text to blink or not to blink.

• Number of Characters (Specified Address+7), Text Color (Specified Address+8), Text Background Color (Specified Address+9) and Blink (Specified Address+10) must be set collectively as one setting.

• When a value other than the values to blink is set, no blink will be specified.

Specified Address+11: Text

Set text to display in the display range.

Text to be stored in the address is UNICODE.

When line feed is set for the display text, line feed will be inserted.

The maximum number of characters that can be displayed is 160 characters (including line feed).

Specified Address+n+x+1: End of the text (Number of characters)

The end of the text to be displayed as Bulletin Message is specified.

This should be fixed to 0 (0x00).