Rockwell Automation 2755-DM9, -DM9E High Speed Decoder - Manual (Page 100)

Interface
Chapter 7
Host Commands Using the RS-232 or RS-422
7–8
Example:
Command: HC03603703504311
Response: = 00CR
Comments: 036 =¤ character for the ACK character.
037 =% character for the NAK character.
035 =# character for start scan character.
043 = + character for stop scan character.
1 = enables the large buffer.
1 = end of trigger response mode.
00 = “command complete” response code.
CR = end of message control code for Carriage Return.
Command: HMllstring
Function: Write header message.
Response: =rr<end>
Comments: HM = Write header message command.
ll = length of the header message. Must be from 00 to 32.
string = header message, up to 32 characters can be
specified.
rr = response code, refer to Table 7.B.
<end> = end of message control code.
Example:
Command: HM03A-B
Response: =00LF
Comments: 0 3 = message length.
A-B = header message.
00 = “command complete” response code.
LF = end of message control code for Line Feed.
6. Write Header Message