Rockwell Automation 2755-DM9, -DM9E High Speed Decoder - Manual (Page 101)

Interface
Chapter 7
Host Commands Using RS-232 or RS-422
7–9
Command: IFf
Function: When sent, this command will enable or disable the 10 msec
input filter and determine the sense of the package detect
input signal.
Response: =rr<end>
Comments: IF = Set input filter command.
f = disable or enable filter/select sense.
0 - disable filter, LO when package is present.
1-enable filter, LO when package is present.
2-disable filter, HI when package is present.
3-enable filter, HI when package is present.
rr = response code, refer to Table 7.B.
<end> = end of message code.
Example:
Command: IF1
Response: = 00CR
Comments: 1 = enable filter, LO = package.
00 = “command complete” response code.
CR = end of message control code for Carriage Return.
Command: IMlstring
Function: Write source code identification message.
Response: =rr<end>
Comments: IM = Write source identification command.
l = length of the source identification message. Must be
from 0 to 4.
string = source identification message, up to four characters
can be specified.
rr = response code, refer to Table 7.B.
<end> = end of message control code.
7. Set Package Detect Input
Filter and Sense
8. Write Source Identification
Message