Serial port cable, Serial port protocol, Message trigger [ctrl][t – Rockwell Automation 2706-DXX Dataliner Message Display DL5 Series User Manual

Page 49

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2706-UM001A-US-P

Using the Serial Port

6-3

Serial Port Protocol

When the DL5 is set to be triggered through the serial port, use the
following protocols to trigger messages and display variable data:

Message Trigger [Ctrl][T]

Use the CTRL-T command to trigger messages while the DL5 is in the
binary and BCD modes. The message number and address are decimal
values. The command has the following format:

where:

Message Number is a decimal value in the range 1-999

DL5 Address is a decimal value in the range of 0-127

For example, to trigger Message #123 on a DL5 with an address of 10, the
following string would be sent:

Note: If you need to trigger messages (Round Robin and Numeric modes),
with a PLC that does not support unsigned integers, refer to the application
note in Appendix D

Note: If the DL5 is in serial trigger mode and you attempt to download
messages using the offline programming software, data corresponding to a
message trigger command will be executed.

ASCII

^T

1

2

3

\

1

0

^M

HEX

14

31

32

33

5C

31

30

0D

CTRL-T

Message

Number

\

Backslash

DL5

Address

Carriage

Return

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