. Installation and Operation
• Don’t attach/remove the memory cassette or memory board before turning off the power.
Attaching/removing it while the power is on may damage its contents or element.
• Don’t touch the memory cassette or memory board before discharging static from the body of
the user. When transporting, make sure to wrap it in a static-free sheet to prevent damaging its
contents or element.
.1 Installation of FX2N-ROM-E1
Model name
FX2N-ROM-E1 function expansion
memory cassette
FX2NC-ROM-CE1 function expansion
memory board
Applicable PLC
FX2N PLC version 3.00 or later
(Serial number 15**** or later)
FX2NC PLC version 3.00 or later
(Serial number 15**** or later)
If installed in PLC earlier than version 3.00, only 16k-step user program memory
and clock function can be used.
Built-in
unctions
System
memory
Equipped with functions K10 to K13 of the EXTR (FNC 180) instruction
• K10: Inverter operation monitoring
• K11: Inverter operation control
• K12: Read of inverter parameter
• K13: Write of inverter parameter
User
program
memory
• Memory capacity: 16k steps (can be set to 2k, 4k or 8k steps also)
• Memory type: EEPROM
• Allowable number of write: Approx. 10k times (memory protect switch provided)
Clock
function
Not provided (clock is built in PLC)
• Year 1980 to 2079
• Year display in 2 or 4 digits
• Monthly difference of ±45 sec. (at 25°C)