FX Series Positioning Controllers Maintenance 11
11-2
Memory board
The program of FX
2N
-20GM can be made ROM by using an optional memory board (FX
2NC
-
EEPROM-16).
The program capacity is 7.8 k steps.
The memory board with the clock function cannot be used.
Detaching of memory board
• Battery and memory cassettes to specified connectors.
Imperfect contact may cause malfunction.
• Make sure to turn off the power, then connect/disconnect a memory cassette in the
FX
2N
-20GM.
If you connect/disconnect a memory cassette while the power is turned on, the data
saved the memory cassette or the memory cassette itself may be damaged.
Installation
Removal
Turn off the power of the
FX
2N
-20GM.
Remove the cover from the
memory board mounting
area.
Securely connect the
memory board to the
connector. (When
disconnecting the memory
board, slowly disconnect it
from the bottom.)
Attach the cover, then turn
on the power.
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