Rockwell Automation 2706-MB1 MESSAGEVIEW 421 SOFTWARE MANUAL - Manual (Page 164)

7–43 Creating Messages
Publication 2706-817
Field 2: ASCII Text
This field contains the ASCII characters and/or special ASCII
control characters that are to be displayed by, or to control, a slave
device.
The ASCII text can include embedded variables, graphics and
control codes for Flash and Inverse Video. It can have up to 100
characters.
The following codes may be embedded in the ASCII text:
Byte Decimal Value Definition
Ctrl-F 6
toggle between Flashing and non–Flashing
characters
Ctrl-I 9
toggle between Inverse Video and non–Inverse
Video characters
Ctrl-G 7
Embedded Graphic, where the next byte is a
graphic, ISA symbol 1 to 32
If Auto Format is enabled, Flash and Inverse Video control
characters will be embedded automatically, based on whether the
attribute is enabled in the Message Edit box.
If the first or last byte of the ASCII Text field is a control character,
it will be interpreted as the Optional Control Byte or the Optional
Display Mode Byte, respectively.
Note: An embedded Carriage Return control character (decimal 13)
is not allowed in the ASCII Text portion of the slave packet.
Field 3: Optional Display Mode Byte
This optional field indicates how the message text is to be displayed.
The following characters are used:
Byte Decimal Value Definition
Default –
Holding message, non-Auto Clear
If the message is longer than the display width, Wait
Time between segments of the message is 1
second.
Ctrl-A 1
Holding message, non-Auto Clear
If the message is longer than the display width, Wait
Time is 3 seconds.
Ctrl-C 3
Scrolling message, non-Auto Clear, Scroll Time 0.2
seconds, Wait Time is 1 second.
Ctrl-V 22
Center message (message length must be less than
or equal to the number of characters in the display
line for that text size).