Specifications
27
3. Replacement of FX2NC series
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
(2) Expansion equipment recommended replacement models
When changing from FX
2NC to FX3UC main units, the following expansion equipment and option
equipment must be replaced at the same time.
If replacement models with the same performance are not available, please review and consider to re-
design the system following the comments included in the “Special remarks” column.
List of expansion equipment and option equipment required to be replaced when FX2NC series main units are changed to FX3UC series.
Models connectable to FX2NC series
Recommended
replacement models
connectable to
FX3UC
Special remarks
Description Model name Model name
Special adapter
(for RS-232C communication)
FX2NC-232ADP FX3U-232ADP
Special adapter
(for RS-485 communication)
FX2NC-485ADP FX3U-485ADP
Memory board FX
2NC-EEPROM-16 FX3U-FLROM-16
Memory board with
real-time clock function
FX
2NC-EEPROM-4C
FX2NC-EEPROM-16C
FX3U-FLROM-16
Recommended replacement
model for FX3UC only
has memory back-up
functionality. Clock function
is built into the FX3UC main
unit.
Function extension memory
board
FX
2NC-ROM-CE1 FX3U-FLROM-16
Recommended replacement
model for FX3UC only
has memory back-up
functionality. Clock function
and inverter communication
function are built into the
FX3UC main unit.
Real-time clock function
board
FX2NC-RTC
No replacement
model
Clock function is built into
the FX3UC main unit.
Special block
(ASI master)
FX
2N-32ASI-M
No replacement
model
Create a new system using
CC-Link etc.
Special block
(I/O link master)
FX
2N-16LNK-M
No replacement
model
Create a new system using
CC-Link/LT etc.










