
MITSUBISHI ELECTRIC
CORPORATION
Made in Japan
FX3U-FLROM-16/64/64L/1M Hardware Manual
The FX
3U
-FLROM-16/64/64L/1M memory cassette is a flash memory unit
used as program memory for the FX
3U
/FX
3UC
PLC.
1. Specifications
3: Applicable. Check for the version in parentheses.
*1 64000 steps (program capacity) + 1300KB (symbolic information
capacity)
Model name
FX3U-
FLROM-16
FX3U-
FLROM-64
FX3U-
FLROM-64L
FX3U-
FLROM-1M
Applicable
PLC
FX
3U
PLC
3333
FX
3UC
PLC
3(Ver.2.20
or later) 33(Ver.2.20
or later)
3(Ver.3.00
or later)
Max. memory capacity
16000 steps 64000 steps 64000 steps *1
Memory type
Flash memory
Max. Allowable Write
10000 times
PROTECT switch
Provided
Data transfer button
NA NA Provided NA
2. Handling Cautions
For further installation and PROTECT switch details, refer to the FX3U
Series User's Manual - Hardware Edition of the respective PLC.
• Power off the PLC before attaching/detaching the memory cassette.
• The PLC ERROR (ERR) LED may flicker to indicate a program error
when using the product for the first time.
In such a case, perform an "All Clear" or "Program transfer" by a
programming tool.
• Connect the memory cassette securely to the prescribed connector. A
poor connection can cause malfunctions.
Installing the cassette in a raised or tilted posture can also cause
malfunctions.
Tilted
cassette
posture
Raised
cassette
posture
*1
*1
The stage in which the whole
memory cassette fell.
*1
PLC body *1: Memory cassette
Cross-section drawing (memory cassette installation condition)
Good
BadBad
3. Applicable standard
FX
3U
-FLROM-16/64/64L/1M complies with EC directive (EMC Directive).
Further information can be found in the following manual.
However, FX
3U
-FLROM-64 made in June, 2005 or later complies with EC
directive (EMC Directive). FX
3UC
-32 MT-LT does not comply with EC
directive (EMC Directive).
→
FX
3U
Series Hardware Manual (Manual No. JY997D18801)
→
FX
3UC
(D, DSS) Series Hardware Manual
(Manual No. JY997D28601)
→
FX
3UC
-32MT-LT-2 Hardware Manual
(Manual No. JY997D31601)
Attention
• This product is designed for use in industrial applications.
Note
• Manufactured by:
Mitsubishi Electric Corporation
2-7-3 Marunouchi, Chiyoda-ku, Tokyo, 100-8310 Japan
• Manufactured at:
Mitsubishi Electric Corporation Himeji Works
840 Chiyoda-machi, Himeji, Hyogo, 670-8677 Japan
• Authorized Representative in the European Community:
Mitsubishi Electric Europe B.V.
Gothaer Str. 8, 40880 Ratingen, Germany
June 2011
JY997D12801E