Allen-Bradley PLC-5 User Manual page 27

Use the keyswitch to change the mode in which a controller is operating.
If You Want to
Run your program.
Outputs are enabled. (Equipment being controlled by the I/O
addressed in the ladder program begins operation.)
Force I/O.
Save your programs to a disk drive (during operation).
Enable outputs.
Edit data table values.
Notes:
You cannot create or delete a program file, create or delete
data files, edit online, or change the modes of operation
through the programming software while in run mode.
You can prevent forcing and data table changes by
usingRSLogix5 programming software to set user control bit
S:26/6.
Disable outputs (outputs are turned off).
Create, modify, and delete ladder files, SFC files, or data
files.
Download to/from a memory module.
Save/restore programs.
Notes:
The controller does not scan the program.
You cannot change the mode of operation through the
programming software while in program mode.
Change between remote program, remote test, and remote run
modes through the programming software.
Remote run
Enable outputs.
Save/restore programs.
Edit while operating.
Remote program
See the program-mode description above.
Remote test
Execute ladder programs with outputs disabled.
Cannot create or delete ladder programs or data files.
Save/restore programs.
Edit while operating.
Understanding Your Programmable Controller
Turn the Keyswitch to
RUN
PROG
R
E
M
RUN
PROG (program)
PROG
R
E
M
RUN
REM (remote)
PROG
R
E
M
RUN
Publication 1785-UM012D-EN-P - July 2005
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