Memory Cassette <-> Plc (Eeprom Memory) Transfers By Loader Function; Writing (Wr: Fx 3G -Eeprom-32L -> Plc) - Mitsubishi Electric MELSEQ FX3S Series User Manual

FX Series Programmable Controllers
3S
User's Manual - Hardware Edition
17.7 Memory Cassette <-> PLC (EEPROM Memory) Transfers by Loader
Function
The FX -EEPROM-32L loader function ([WR] and [RD] key operation) is explained in this section.
3G
• Program transfers (reading/writing) are possible between the memory cassette and the PLC's internal
EEPROM memory.
• The loader function is enabled while the PLC is stopped.
17.7.1 Writing (WR: FX
A memory cassette program is written to the PLC's internal EEPROM memory.
1
Install the memory cassette on the main unit.
Setting the PROTECT switch to ON (on memory cassette's rear face) prevents accidental
overwriting of memory cassette program.
• Verify that the PLC power is OFF, then install the memory cassette on the PLC.
• Turn the PLC power ON.
• Raise the memory cassette's eject lever.
2
Press the [WR] key 1 time.
The [WR] LED lights, and a preparation status is established.
• To cancel, press the [RD] key.
3
Press the [WR] key again.
Writing is executed, and the [WR] LED blinks.
• It takes several seconds to write data to the built-in EEPROM. The [WR] LED flickers while data is written.
4
Remove the memory cassette from the main unit.
Writing is completed when the [WR] LED goes off.
After turning the PLC power OFF, remove the memory cassette from the PLC.
17.7 Memory Cassette <-> PLC (EEPROM Memory) Transfers by Loader Function
-EEPROM-32L -> PLC)
3G
Required condition: The PLC must be stopped.
→ Refer to Section 17.3 for the installation procedure.
→ Refer to Section 17.4 for the removal procedure.
17 Memory Cassette
WR LED
WR key
185
11
12
13
14
15
16
17
A
B
C