Rockwell Automation 2755 Enhanced Decoder Series B - Manual (Page 128)

9–6 Configuration: AUX and LCD Display Parameters
Publication 2755-833
ASCII Command
The Display Text Message (TM) command allows you to send a
message
to the LCD Display. The following TM command sends the message
”START JOB!”.
TM010START JOB!
Message Text String = START JOB!
Length of Text String = 10
AUX Keyboard Not Enabled = 0
Command Code = TM
When the host sends this command to the decoder, the message
displays on the LCD at the beginning of the line in position 01. The
message remains on the display until it is overwritten by another
message or data.
Remember, the LCD can only display 20 or 40 characters depending
on whether scrolling is enabled. Messages that are longer than 20 or
40 characters will be truncated. See the examples on the next page.
If the TM command is sent with a string length of zero, the decoder
displays the Default Prompt Message (if defined) instead. The
following prompt defines this message:
Defines 1 to 20 character prompt message.
Initially, the default message is undefined.
Refer to chapter 13 for additional information..
PCCC Command
You can also send a PCCC command to display a message on the
LCD. The following command uses the command address of 900H
to send the message ”START JOB!”. Bytes 6 – 15 define the
characters of the message.