Rockwell Automation 1775-S5_SR5,D17756.5.5 User Manual PLC-3 FAMILY I/0 User Manual
Page 165
Binary Command Language
Appendix A
A-37
Set Operating Context Command
Hex: 2B
Parameters: New default context (any context between 1 and 15)
Description: You can change the default communication context by using
the set operating context command. If you send a value greater than 15,
the processor uses the lower 4 bits only. The processor does not accept a
default context of 0. The following example command block changes the
default context values to 2:
STX
02
ISC
03
SIZ
02
CMD
2B
ETX
03
CHK
37
DAT
02
The data byte stores the new default context.
The processor responds to a set operating context command with one of the
following response codes:
Response Codes
Hex
Description
00
Success
03
Unavailable - context = 0
06
Access not allowed
0F
No privilege
The following example response block shows a successful set operating
context command:
STX
02
OSC
11
SIZ
01
RSP
00
ETX
03
CHK
17