Rockwell Automation 2706-P42_P43_P44_P72_P74_P92_P94 InView Marquee Message Display User Manual - Manual (Page 68)

Publication 2706-UM016D-EN-P - March 2006
4-2 InView Protocol
Format shows the format for the Control-T function and Control-T
Frame Description shows the acceptable values.
Control-T Frame Format
When using a function, a display address must be included, even if it
is a broadcast address of 255.
Use a priority message to clear all concurrently running messages and
display the message number just sent. This supersedes any message
added to the queue regardless of priority levels assigned to them.
Add/remove messages allows for the ability of up to 64 concurrently
running messages to be displayed. Messages are added to the queue
and are displayed for the length of time based on the message pause
setting (1 to 5 seconds). Messages have three different priority levels
assigned to them; low, medium, and high. Messages with the highest
priority level in the queue are displayed until they are cleared. When
Optional
(1)
Name [CTRL][T] MSG# Backslash Function Backslash Display
Address
(1) If not used; the message will be shown as a Priority Message on all displays.
Control-T Frame Description
Data Acceptable Values Description
ASCII Hex
[CTRL][T] ^T \14 Start of Header
MSG # 1 … 4000 (Decimal) \31 to \34\30\30\30 Message number
4095 (Decimal) \34\30\39\35 Background message number
-1 (Decimal) \2D\31
Backlash \ \5C Backslash
Function 1 (Decimal) = Priority message
2 (Decimal) = Add message
3 (Decimal) = Remove message
\31
\32
\33
Message function
Backlash \ \5C Backslash
Display Address 1 … 255 \31 to \32\35\35 Display address where 255 is a
broadcast address.
or CTRL][M] ^M \0D Carriage Return