Memory Cassette <-> Plc (Eeprom Memory) Transfers By Loader Function; Writing (Wr: 32L -> Plc) - Mitsubishi FX3G SERIES User Manual

FX Series Programmable Controllers
3G
User's Manual - Hardware Edition
21.7 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.
• When the display module is connected, data can be transferred from the memory cassette by performing
the data transfer procedure in the display module.
(It is not possible to transfer data from the memory cassette by performing the data transfer procedure in
the memory cassette.)
21.7.1 Writing (WR: 32L -> PLC)
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
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.
21.7 Memory Cassette <-> PLC (EEPROM Memory) Transfers by Loader Function
→ For the data transfer method in the display module, refer to Chapter 20.
→ Refer to Section 21.3 for the installation procedure.
→ Refer to Section 21.4 for the removal procedure.
Required condition: The PLC must be stopped.
s rear face) prevents accidental
'
WR LED
WR key
21 Memory Cassette
21
22
A
B
343