Rockwell Automation 2755-DM9, -DM9E High Speed Decoder - Manual (Page 107)

Interface
Chapter 7
Host Commands Using RS-232 or RS-422
7–15
Example:
Command: NM07NO-READ
Response: =00CR
Comments: 07 = message length.
NO-READ = header message.
00 = “command complete” response code.
CR = end of message control code for Carriage Return.
Command: NR
Function: When sent, this command will return the count in the
no-read counter.
Response: pppppp<end>=rr<end>
Comments: NR = Read No-Read command.
pppppp = No-read count, up to 999999.
<end> = end of message code.
rr = response code, refer to Table 7.B.
<end> = end of message code.
Example:
Command: NR
Response: =000016CR=00CR
Comments: 000016 = no-read count of 16
CR = end of message control code for Carriage Return.
00 = “command complete” response code.
CR = end of message control code for Carriage Return.
Command: OCnctttt
Function: Sets the condition that will assert (turn on) an output and sets
the length of time in milliseconds that an output is turned on.
Response: =rr<end>
Read No-Read Count
16. Set Output Condition and
Output Duration