Rockwell Automation 1775-S5_SR5,D17756.5.5 User Manual PLC-3 FAMILY I/0 - Manual (Page 164)

Binary Command Language
Appendix A
A-36
Figure A.5
CPU Mode Flag Byte
Bit 7 6 5 4 3 2 1 0
12137
Unused Must = 0 Mode Select
Remote
Lock
00 - Program Load
01 - Test
10 - Run
11 - No Change
0 - Remote Access Allowed
1 - Remote Access Not Allowed
The following example command block resets the remote lock bit
(allowing remote access to other devices) and selects run mode:
The data byte stores the flag byte (02 hex).
The processor responds to a set CPU mode command with one of the
following response codes:
STX
02
ISC
03
SIZ
02
CMD
2A
ETX
03
CHK
36
DAT
02
Response Codes
Hex Description
00 Success
06 Access not allowed
0F No privilege
The following example response block shows a successful set CPU
mode command:
STX
02
OSC
11
SIZ
01
RSP
00
ETX
03
CHK
17