Rockwell Automation 2755 Enhanced Decoder Series B - Manual (Page 220)

15–32 ASCII Host Commands
Publication 2755-833
OH - Hold Output Open/Closed (continued)
Example:
Command: OH2001000
Parameters: 2001000
Command
Parameters
Parameter Function Values
n Discrete output number 2
ff State of discrete output 00= Hold Open
tttt
Time (in milliseconds) that
output remains held open.
1000 milliseconds
Response: = 00CR
00 = command complete
response code
CR = end of message control code
for Carriage Return