Oh Blimey I bought a CNC Lathe !!!!

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awemawson:
Then there has been a bit of a break through on the controller front. Readers may remember that I could not get the original '6 slot' controller to work. I was getting 'bus errors' reported when the 'user plc' was run. The machine obviously needs the correct software to run correctly - this comprises an eprom set on the main processor card, an eprom set on the 'Mem A0 & MemA1' cards that hold the system PLC program, and an eprom set on the 'MC481' 'User PLC Cartridge'. I had been advised that I needed V18 of this later unit - this is the label on it:

awemawson:
I wrongly assumed that the V 018 was version 18 oh no that's V 22 :bang: :bang:

With the correct user plc cartridge now when I try the 6 slot controller I no longer get the 'bus error' which I assume was the program addressing non-existant memory.

Whilst all this was going on, my mole on the Traub help desk decided to go on a fortnights holiday so it is only today that I can confirm various points. I suspect that one of the axis servo amplifiers is faulty but haven't had the time to get my teeth into it. Now the software issues are hopefully behind me it may just be a parameter issue.

The system reports it's firmware state when eventually you find how (!) and the first picture is how it was, and the second how it now is

vtsteam:
Good work! Particularly with all the other concerns. Gratifying screen! :thumbup: :clap:

dsquire:
Awemawson

Thanks for the update and glad to hear that you are making progress on getting everything tracked down. :ddb: :ddb:

We the readers and followers on this thread sometimes tend to forget that the author of this thread has more to do than just trouble shoot a CNC mill. :Doh:

Carry on with the important task of refurbishing house and home. We will be here waiting as you have the time and/or patience to continue trouble shooting the mill. :D :D

Cheers :beer:

Don

awemawson:
I actually managed to spend a little time with The Beast today! For some very strange reason the machine is set up with an 'extra' X axis!!!!

We should have:

X1 = lathe tool in / out radially
Z1 = lathe tool in/out axially
C1 = rotary position of the main spindle
C2 = rotary position of the auxiliary spindle
V1 = axial position of the auxiliary spindle

BUT .... we also have X2. Now I hadn't realised the significance of this, but my contact at Traub pointed it out as the reason we are getting an "Y03 - Amplifier Unequipped - X" error. He had sent me various settings in the parameters for me to check, as well as the parameters for the next machine made on the production line (s/n 334 mine being 333) which is basically the same machine but sold in France so all the text is different. Not over come the extra displayed axis. I can get it removed from the screen displays ok but then the 'opposing / auxiliary amplifier' never gets initialised. Then the machine displays an 'mcp error' (addressing error in the servo amps) and very obscurely in this state prevents the RS232 port working. As soon as you try to use it it reports "IO_Stop". Re-instate the axis settings and the port works ---- argh !

When I was given the Optical Tool Setter there was a second, apparently original paper tape of the parameters tucked away in it's box. I thought that it would be a good idea to try and upload it to a pc and see if it made any difference. Loads of problems loading it - after much searching I found two places where the sprocket holes had never been punched in the factory. Yes that took lots of finding. :bang: When I hand punched the missing holes and got it loaded it compared as the same as the other copy.

Still I see today's work as progress of a sort, and I'm increasingly confident that the errors remaining are settings issues.

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