FX(FX2N,FX2NC)→FX3 series Replacement Guidance. of program by using GX Works2

Reading source program from PLC

(1) Connect the FX PLC to the personal computer

(2) Start GX Works2, and select “Online” -> “Read from
PLC...” from the menu.
(3) Select “FXCPU” for the PLC series selection.
(4) Set the connection destination based on the current
method of connection.
(5) Click “Parameter + Program”, and designate the data
to be read out.
Click “Execute”, and execute reading.
(6) Once PLC reading is complete, confirm the reading
result of the sequence program on the program display screen.

Program changeover method

Reading source program from saved project data
(1) Locate the saved data for the source program.
(2) Start GX Works2.
(3) Select and open out the source project.
• When the project is saved as a GX Works2 type file
Select “Project” -> “Open project” from the menu, and select the conversion source file.
• When the project is saved as a GX Developer type file
Select “Project” -> “Open other data” -> “Open other project” from the menu, and select the
conversion source file.
(4) Confirm the reading result of the sequence program on the program display screen.

Model change to FX3 series (change of PLC type)

Changeover the PLC type of the target program to FX3 series.
(1) Select “Project” -> “Change PLC type...” from the menu.
(2) In the “Change PLC type...” dialog box select the FX3
series main unit type to be used from the “PLC type”
drop down list and click “OK”.
(3) A dialog box appears, listing cautions and
asking to confirm the PLC type change.
After reading the contents select “OK”.
When the type change has been completed
a dialog box confirming that the operation was successful appears.