Rockwell Automation 2706-P42_P43_P44_P72_P74_P92_P94 InView Marquee Message Display User Manual - Manual (Page 87)

Publication 2706-UM016D-EN-P - March 2006
InView Protocol 4-21
Clear the Message Queue using Modbus ASCII in Guaranteed
Mode
The following transmission is used to remove all currently running
messages on a specific display address. For example, clearing all
messages being displayed for display address 001:
Transmission:
Query for Clearing the Message Queue with 06 Frame Guaranteed
Response:
The normal response to a function 06 is to echo (or re-transmit) the
query after the holding register is updated.
Response from Clear Queue with a 06 Frame Guaranteed
Set Time in Broadcast Mode with AM/PM Format
The Set Time in Broadcast Mode with 24 Hour Format command is
used to set the time and the format for the time in all displays. It is
used primarily with the automation software to synchronize the time
in the displays with the computer. This requires two separate
transmissions. First, set the time and format for the time. Second, clear
the queue.
The following is an example of setting the time to 1034 and the format
for the time to be AM/PM.
1. Set the time and time format.
Transmission:
Beginning
of Frame ADDR FUNC H.O.
ADDR
L.O.
ADDR
DATA LRC
Error
EOF Ready
to rec.
resp
: 01 06 00 65 FFFF 96 CR LF
ADDR Beginning
of Frame FUNC H.O.
ADDR
L.O.
ADDR
DATA LRC
Error
EOF Ready
to rec.
resp
: 01 06 00 65 FFFF 96 CR LF