Increasing Memory in Fanuc 18?

[jdocmm]

I was talking to the Okuma tech today on my Okuma 511V with Fanuc 18 controller about the memory, we have like 30k on it, and he said it's just a parameter setting to increase it. Does anyone know what parameter it is? Thanks!

Justin

[Al_The_Man]

Some options require a hardware addition also, but the 18 is P9921:
Bit#0 = 640m
Bit#1 = 320m
Bit#2 = 160m
Bit#3 = 80m
Bit#4 = 40m
Al.

[jdocmm]

Originally Posted by Al_The_Man Some options require a hardware addition also, but the 18 is P9921: Bit#0 = 640m Bit#1 = 320m Bit#2 = 160m Bit#3 = 80m Bit#4 = 40m Al.

Thanks I will try that tomorrow, is there any risk involved in changing it? As to losing parameters or anything?

[Al_The_Man]

Originally Posted by jdocmm is there any risk involved in changing it? As to losing parameters or anything?

Not normally, you may get an error message if the physical memory is not present, I would try one size at a time, starting with the low one, see what the parameter is now.
Always make sure you have the parameters copied anyway.
Al.

[jdocmm]

Originally Posted by Al_The_Man Not normally, you may get an error message if the physical memory is not present, I would try one size at a time, starting with the low one, see what the parameter is now. Always make sure you have the parameters copied anyway. Al.

Hey Al, I went ahead and saved my parameters, and my P9921 to begin with was

0 1 0 0 1 0 0 0

so i tried doing

0 1 0 0 0 1 0 0

thinking that was correct, but that took me to 0 k memory, should I be changing the # in bit 6? please advise, thanks

[Al_The_Man]

Normally only one of the memory bits is set, the only thing I can think is you do not have the physical memory present, the option only enables it, you may want to contact Tulip Memory, they sell expansions for Fanuc mem and may be able to advise you if you need hardware as well.
Al.

[not an expert]

I'm pretty sure (90%) that going from 80m to 160m will require at least an ~0351 module. The ~0352 module is the biggest module fanuc has for the 18 series. I don't think they (fanuc) will sell you one unless it's already installed in your control.

[skullworks]

What is the Max # of registerable programs a Fanuc 18 can support?

Currently I see Ooooo (MDI) + 63 for a total of 64.

Is this it? or can this number get pumped up too?

[Al_The_Man]

9923 bit #5 = 125 registerable programs.
Al.

[skullworks]

Next time I purge the machine I will give those settings a try.

Machine is a 1998 Mori Seiki SV50B with the MSC-518 labeled Fanuc 18 (pre i model).

[theemudracer]

we just upgraded our 18-I to 1000 part prgs and 2560m
it required hardware.

cost about 3500.00 I think

Jon

[codyst]

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