Rockwell Automation 2706-MB1 MESSAGEVIEW 421 SOFTWARE MANUAL - Manual (Page 97)

5–8 Communications Overview
Publication 2706-817
To set up a terminal to communicate with an ASCII Triggering
device, see Page 10–9.
For the format of commands to and from an ASCII Triggering
device, see the section starting on Page 5–8.
MessageView 421D Slave Device
A MessageView 421D Slave Device (Catalog No. 2706-M1D) is a
MessageView terminal with no daughterboard and no numeric or
function keys. It is shipped with an application loaded. The
application supplies the alphanumeric fonts and graphic characters
needed to display the messages sent from the master device.
The slave terminal may receive commands from any one of the
following slaving devices (masters):
•
Allen-Bradley Dataliner

DL20
•
Allen-Bradley Dataliner

DL40
•
MessageView

421D terminal whose firmware supports slaving
•
MessageView

421N terminal whose firmware supports slaving
•
MessageView

421F terminal whose firmware supports slaving
•
Allen-Bradley Industrial Computers.
To set up a terminal as a Slave Device, see Page 10–9.
For the format of commands to a slave device, see the section
starting on Page 7–42.
Messages to the MessageView terminal
Trigger a message with [Ctrl-T]
Used by the ASCII Triggering device to trigger a specific message in
the terminal.
Format: [Ctrl-T]Message#\ MV Address[CR]
•
Message# range: 1 to 9999; limited to the subset used in the
application
•
MV Address range: 1 to 127 for a single node; 127 to address all
devices
Example: [Ctrl-T]24\ 6[CR]
•
The terminal at node #6 displays message #24 in the downloaded
application
ASCII Triggering
Commands