Rockwell Automation 2706-P42_P43_P44_P72_P74_P92_P94 InView Marquee Message Display User Manual - Manual (Page 70)

Publication 2706-UM016D-EN-P - March 2006
4-4 InView Protocol
The CTRL-V Function Frame - Alphanumeric Variables
The Ctrl-V Function is used to update variables that are embedded
within messages. The value of the variable number determines which
register to update in the message display. If no variable number is
used, only variable 0 is updated. In addition, you can flash or change
the color of the variable data.
Control-V Frame Format - Alphanumeric
The following table indicates the values to use in the Control-V
format.
TIP
To send floating point numbers, you need to use 2
variables; one for the integer portion, and one for the
decimal portion. i.e {var1;}.{var2;}.
Optional
(1)
Name [CTRL][V] ‘Variable Data’ Backslash Variable # Backslash Display
address
(1) If the Variable # and Display address are not used; only variable 0 on all displays will be updated. If the Variable # is used and not the display address, that variable
number will be updated on all displays.
Control-V Frame Description - Alphanumeric
Data Acceptable Values Description
ASCII Hex
[CTRL][V] ^V \16 Start of Header
Quote “ \22 Quote character
Variable Data Any ASCII character (except “character) \20 to \126 (except \22) Data
Quote “ \22 Quote character
Backslash \ \5C Backslash
Variable # 0 … 99 (ASCII decimal) \30 to \39\39 Variable ID number
Backslash \ \5C Backslash
Display Address 1 … 255 \31 to \32\35\35 Display address where 255 is a
broadcast address.
[CTRL][M] or ^M \0D Carriage Return