Rockwell Automation 2706-LV2P_LV2R_LV4P_LV4R DL40 PLUS USER MANUAL - Manual (Page 78)

Where:
Hex Example:
Serial Port Communications 6–10
Publication 2706-6.1
This section shows how to send ASCII/BCD variables in
Message/Variable/Slave or Message/Variable Run mode using Open
protocol.
Set the [CTRL][W] format to ASCII.
To enter data for [CTRL][W] callouts via the keyboard or
RS-485/RS–232 link, use this format:
Data Acceptable Values
ASCII Data
1 to 20 ASCII characters. Data is for the latest message sent to
the specified DL40 Plus.
DL40 Plus Address
1 to 3 digits (0 to 127)
127 = all DL40 Plus on RS-485/RS–232 link
[CTRL][A] ASCII Data
Backslash
( \ )
DL40 Plus
Address
Return
(CR)[
↵
]
\01
R O C K W E L L
\5C
(Hex 5C = \)
\31
(Hex 31 = 1)
\0D
(Hex 0D = CR)
Note: For the Hex examples refer to Appendix D, ASCII and
Extended ASCII Character Sets.
Keyboard entries are performed with standard characters. The above
listed Hex examples refer to non–keyboard entries.
The DL40 Plus address is not required for [CTRL][W] data (ASCII
Variable Data) entered via the keyboard. If no DL40 Plus address is
sent, the backslash ( \ ) is optional. If no address is sent when using
the RS-485/RS–232 link, the ASCII data will be ignored.
Sending ASCII / BCD
Variables using Open
Protocol