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Programming LOGO!

3.7 Writing and starting the circuit program

LOGO!
Manual, 04/2011, A5E03556174-01

Your circuit program is now named "ABC", and you are returned to the programming menu.
To change the name of your circuit program, proceed in the same way.

Note
You can change the name of the circuit program only in programming mode. You can read

the name both in programming and in parameter assignment mode.

3.7.5

Password for circuit program protection

You can protect a circuit program from unauthorized access by assigning it a password.
You can only assign or deactivate a program password from a LOGO! Basic or from

LOGO!Soft Comfort. You can only change a program password from a LOGO! Basic. If you

have assigned a program password, and are using a LOGO! TD (version ES4 or later)

together with a LOGO! Base Module (version ES4 or later), you must enter this password if

you want to change LOGO! from RUN mode to STOP mode from the LOGO! TD. You can

not stop the execution of the circuit program in LOGO! from the LOGO! TD without entering

the password.

Note
This password protection function is only available in the LOGO! TD with version number

ES4 or later. This function is only available under the following conditions:
•

The version number of both the LOGO! Base Module and the LOGO! TD installed is at

least ES4

•

LOGO! is currently in RUN mode and you want to switch to STOP mode

There is only one circuit program protection password that you can assign for LOGO!. You

can only assign it from the LOGO! Basic or from LOGO!Soft Comfort. To change LOGO!

from RUN to STOP from the LOGO! TD, you must enter the password from the LOGO! TD

as described below in the section "Changing LOGO! from RUN to STOP mode from the

LOGO! TD".
LOGO! 0BA7 provides an additional password menu command for your changing LOGO!'s

communication mode from normal (client/server) mode to slave mode or vice versa.