Rockwell Automation 2755 Enhanced Decoder Series B - Manual (Page 216)

15–28 ASCII Host Commands
Publication 2755-833
OS - Set Output Normally Open/Closed
Command Format: OSnf
Function: Sets the state of a discrete output to normally
open or normally closed.
Parameters: nf
Command
Parameters
Parameter Function Valid Values
n Discrete output number 1 through 8
f
Switch operation normally
open or normally closed 0= Normally Open
1= Normally Closed
Response: = rr <end>
rr = response code
<end>= end of message control code
Example:
Command: OS20
Parameters: 20
Command
Parameters
Parameter Function Values
n Discrete output number 2
f
Switch operation normally
open or normally closed
0= Normally Open
Response: =00CR
00 = command complete
response code
CR = end of message control code
for Carriage Return