Need Help!- FANUC 3M DREP FEED

[renato13]

Hello.

We recently bought the upgrade chips for Fanuc 3M . After the upgrade (version D71 - 04) it is supposed to get direct DNC control between machine and PC (drip feed) and thus no memory problems, concurent 3-axis control and some . We received the chips and installed them. After the instalation we changes the I/O setting http://www.shrani.si/?43/cU/VDWFFkg/parameters-0.jpg and parameter No: 69 to value 4800 http://www.shrani.si/f/3i/Fq/1fdjbAot/16.jpg and we get the machine to work. After the upgrade the concurent 3-axis control works.
The only problem is the direct DNC control between software on PC and the machine which we can't get to work. We know that the communication works because it is possible to transfer a program to the machine memory but we can't get it to work directly from PC.
We have a Fanuc 3M that beside a "function selection" switch also has a "program selection" switch. http://www.shrani.si/f/b/I5/1Q5Nrf8r/program-select.jpg
When in the software on the PC we send a request to start the program and then on machine we press the "start cycle" button, the machine wants to start a program from the memory (coresponding to the number set with the "program selection" switch)
We think this may be the problem and we should bypass the "program selection" switch. Has anyone had a similar problem or maybe someone knows if it is possible to bypas the mentioned switch with the parameters?
Links of the setings remains parameters:http://www.shrani.si/f/17/ke/47mh8EJa/3.jpg
http://www.shrani.si/f/8/HU/3TLiH7t1/4.jpg
http://www.shrani.si/f/3O/Av/2N5kLdKd/5.jpg
http://www.shrani.si/f/1K/13e/1vIqZB0B/7.jpg

Thanks.

[Jung]

I'm using D65-14 it work fine.
I think we could exchange these ROM files, then I can check if D71-04 could work.

Originally Posted by renato13 Hello. We recently bought the upgrade chips for Fanuc 3M . After the upgrade (version D71 - 04) it is supposed to get direct DNC control between machine and PC (drip feed) and thus no memory problems, concurent 3-axis control and some . We received the chips and installed them. After the instalation we changes the I/O setting http://www.shrani.si/?43/cU/VDWFFkg/parameters-0.jpg and parameter No: 69 to value 4800 http://www.shrani.si/f/3i/Fq/1fdjbAot/16.jpg and we get the machine to work. After the upgrade the concurent 3-axis control works. The only problem is the direct DNC control between software on PC and the machine which we can't get to work. We know that the communication works because it is possible to transfer a program to the machine memory but we can't get it to work directly from PC. We have a Fanuc 3M that beside a "function selection" switch also has a "program selection" switch. http://www.shrani.si/f/b/I5/1Q5Nrf8r/program-select.jpg When in the software on the PC we send a request to start the program and then on machine we press the "start cycle" button, the machine wants to start a program from the memory (coresponding to the number set with the "program selection" switch) We think this may be the problem and we should bypass the "program selection" switch. Has anyone had a similar problem or maybe someone knows if it is possible to bypas the mentioned switch with the parameters? Links of the setings remains parameters:http://www.shrani.si/f/17/ke/47mh8EJa/3.jpg http://www.shrani.si/f/8/HU/3TLiH7t1/4.jpg http://www.shrani.si/f/3O/Av/2N5kLdKd/5.jpg http://www.shrani.si/f/1K/13e/1vIqZB0B/7.jpg Thanks.

[Chipmonkey]

It sounds like you have either a handshaking or parameter setting problem. I'm assuming you bought the upgrade chipset from fanuc3mdripfeed.com which has been working on 3M controls for years now so its not a compatibility issue between chips and control.

The handshaking problem could be due to several reasons:

1/ Your DNC Link software is crap. A lot of "free" versions on the web are either crap or "free" for a limited time.. and they sock you with a "pay now or we freeze our software" message. I know fanuc3mdripfeed.com can send you a link for free software that has proven itself over the years on many machines and CAD/CAM programs.

2/ The parameter settings for your PC and 3M are not compatible. When you try to dripfeed are you getting an "LSK" flashing on your screen? And does this then lead to an 087 alarm? If so then it is your PC/laptop parameters that need changing

The parameter problem could be:

3/ The way the DNC function is chosen (assuming its fanuc3mdripfeed chips) is by setting the I/O parameter on the front parameter screen to "1". The machine will then DNC dripfeed. By choosing a "0" it will revert back to the old control operation. This is handy for flip-flopping between DNC and conventional use of your 3M as it only takes seconds to do, but can trip up the novice who has just installed the chips.

[Bones75]

On the machine control, for ours anyway, using the dripfeed, the I/O setting is set to either 0 or 1, cant remember which is which at the moment but it breaks down as follows, and I may have numbers backwards, but you get the point:

With set to 0, the machine will run internal programs, and with it in this position, it will also download programs over the communications line, but will not drip feed.

With it set to 1, it is in DNC mode, and operates strictly from what the computer sends it, it does not reference its internal programs at all, nor will it store programs from the drip feed. It just wants to run them, so you start the feed, and hit start on the machine, and better have all the ducks in a row to avoid crashing. It will not run subprograms from the machine in this mode, at least ours didn't, because when it hits the command to return to main program, it doesn't know how to pick up the drip-feed where it left off, and by this time, the drip feed is several commands ahead of it, and would mess up anyway.

[DSIF]

Do you have the control set to tape mode on the selector switch? Also,you may want to jump your baud rate up to 9600 to keep the bubble memory full if the machine is capable. As far as subs go,load them into the machines memory and they will run. The drip feed will pause and wait for the M99 at the end of the sub and then resume. I have done this on a Fanuc controlled Kitamura.
Dan

[Bones75]

Our machine doesn't have a selector switch to go into tape mode, it is based on the I/o switch setting, where it reads the program from, either the drip, or the controller. And our machine limit on the baud rate is 4800, but the problem is, that while running in drip mode, it can not call up subprograms in the normal way, I can manually make a sub program on the machine, but the normal subprograms wont load, just hang. It relies on all info from the DNC, at least with ours. Even when doing the manual subprogram routine, when it gets to the M99, it just hangs, because the drip-feed wont continue sending program. Would be interested to see the program your using to make this work. We had to manually write a tool change program, because as such, the tool change was a sub-program.
Also, were talking about an older Okada VM460 with the 3MC controller.
It doesn't even have any work offsets, so CAD programing has to be done in position.

[angelw]

Originally Posted by Bones75 Our machine doesn't have a selector switch to go into tape mode, it is based on the I/o switch setting, where it reads the program from, either the drip, or the controller. And our machine limit on the baud rate is 4800, but the problem is, that while running in drip mode, it can not call up subprograms in the normal way, I can manually make a sub program on the machine, but the normal subprograms wont load, just hang. It relies on all info from the DNC, at least with ours. Even when doing the manual subprogram routine, when it gets to the M99, it just hangs, because the drip-feed wont continue sending program. Would be interested to see the program your using to make this work. We had to manually write a tool change program, because as such, the tool change was a sub-program. Also, were talking about an older Okada VM460 with the 3MC controller. It doesn't even have any work offsets, so CAD programing has to be done in position.

From the photo links originally posted by renato13, the following link indicates that he has the correct IO channel selected Shrani.si - Brezpla?na spletna shramba za va?e slike - parameters-0.jpg. Renato13 should check that he has the parameters that relate to Channel 2 set correctly, because normally there are different parameters to set for the various IO channels.

Regards,

Bill

[DSIF]

Oh my. You have to G92 everything and don't have work offsets? That is so 1980. Sorry,I can't help you.
Dan