Specifications

7
1. Introduction
1
Introduction
2
Replacement of FX2N series
3
Replacement of FX2NC
series
4
Program changeover method
A
Models affected by production termination
B
Related manuals
C
Frequently asked questions
Planning of renewal
Investigate
Program conversion
Determine the number of different
PLCs and where they are installed.
Also investigate the programs and
wiring diagrams.
Extract the program and then
change the PLC type and make
any necessary modications.
Diagnose
Replace
Evaluate the relative importance of
each system and take into account
the duration of use, operation
environment, and replacement
priority.
Switch the currently used product
with the replacement product.
Select replacement
Debug
Complete
Select FX3 series replacement
products based on the number
of inputs and outputs, expansion
requirements, and other properties.
After installing the replacement,
check operation and correct any
problems.
1.2 Replacement of FX series
1.2.1 Replacement selection
Select FX3 series main units and expansion equipment to replace existing systems.
FX
2N series
Select replacement
Refer to Chapter 2. “Replacement of FX2N series”
FX2NC series
Select replacement
Refer to Chapter 3. “Replacement of FX2NC series”
1.2.2 Program conversion
Conversion of the FX sequence programs to FX3 series can be done using GX Works2 or GX Developer
Ver. 8.
Program conversion
Refer to Chapter 4. “Program conversion method”