Understanding Your Programmable Controller

1-9

 

 

Use the keyswitch to change the mode in which a controller is operating.

If You Want to

Turn the Keyswitch to

Run your program.

RUN

Outputs are enabled. (Equipment being controlled by the I/O

addressed in the ladder program begins operation.)

PROG

Force I/O.

R

Save your programs to a disk drive (during operation).

E

M

Enable outputs.

RUN

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.

PROG (program)

Download to/from a memory module.

Save/restore programs.

Notes:

PROG

R

E

M

RUN

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.

REM (remote)

PROG

R

E

M

RUN

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.

Publication 1785-UM012D-EN-P - July 2005

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Image 27
Bradley Smoker PLC-5 user manual If You Want to