I’m trying to find the procedure for backing up a Mitsubishi Meldas 320M control, as I won’t have a ton of time to play around and try to figure it out.
Also, what battery does the 320M need?
Here’s a procedure for an M50, but he’s not sure if it’s the same as the 320M:

“Not 100% sure on the M320. On the M50, press DIAG IN/OUT, then press MENU soft key twice, then press OUTPUT. You see a screen showing the various options.

May as well output everything. Type #1 in "#" column and for the DATA column enter "ALL" and press input (it will output over RS-232). Type #2 (for tool data) in # field and leave DATA field blank and hit input again. Then enter #3 (parameters) and nothing in DATA and hit input. Then #5 (common variables), nothing in DATA and hit input. Then type 30 in the # field, nothing in DATA and hit input (outputs macro programs). It should show it as it outputs and say "DATA OUT COMPLETE" when done.

Then hit E-stop, and go to the NC controller in the back of the cabinet and turn the CS2 swith (small rotary switch, usually under a cover plate) to position 1. This stops the ladder. Then type 99 in the # field and "ALL1" in the DATA field, and press INPUT. Then put 99 in the # field and "ALL2" in the DATA field and hit input. Then 99 again in the # field and "ALL3" in the DATA field and input. Turn the CS2 switch back to 0 to re-start the ladder and dis-engage E-stop, machine will be back up and running.

ALL1 is parameters, PLC constants, timers, work offsets, R-registers, PLC latches and switches, spindle and axis parameters, communication settings and all the critical stuff you need.

ALL2 is tool offsets, common variables, too life data, etc.

ALL3 is the ladder.”

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