Rockwell Automation 2706-P42_P43_P44_P72_P74_P92_P94 InView Marquee Message Display User Manual - Manual (Page 86)

Publication 2706-UM016D-EN-P - March 2006
4-20 InView Protocol
Clear the Display Memory
This command is used to clear all of the memory (messages) in the
displays, resize the memory partitions to 100 bytes (2,000 messages),
and load each memory slot with a default message number (for
example, Message #0002)
Transmission:
Transmission for Clearing Display Memory
Response: NONE
Clear the Message Queue using Modbus ASCII in Broadcast
Mode (Recommended)
The display uses a message queue for all currently running messages
on the display. This command is used to remove all currently running
messages being displayed on all displays. This is also required when
switching between priority messages and add/remove messages
modes of operation.
Transmission:
Transmission for Clearing the Message Queue with 06 Frame Broadcast
Response: NONE
TIP
The Clearing Memory string may be required prior to
the downloading of messages.
Beginning
of Frame ADDR FUNC H.O.
ADDR
L.O.
ADDR
DATA EOF Ready to
rec. resp
: FF 01 00 64 ^AZ00^BE$^D CR LF
TIP
See section InView Display Communication Protocol
Functions and Descriptions on for further
explanation of the InView sign protocol being used.
Beginning
of Frame ADDR FUNC H.O.
ADDR
L.O.
ADDR
DATA LRC
Error
EOF Ready
to rec.
resp
: FF 06 00 65 FFFF 98 CR LF