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The Sequel - Oh Blimey I bought a CNC Lathe (Beaver TC 20)

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AdeV:

--- Quote from: awemawson on June 23, 2018, 04:12:54 AM ---I liken the painting of this tank to an Ocean Liner - pretty from a distance, none too brilliant close up but functional.

--- End quote ---

I believe the Americans call this a "20ft paint job". It looks great.... from 20ft away  :lol:

awemawson:
Ade, the ironic thing is it will never be seen! It's tucked away under the machine out of sight down that tunnel - the only bit that will show is the broad end, which will have another thick plate sitting on it holding the pump and intake filter.

Actually the finish isn't that bad considering it's grit blasted rust, but not car body standard !

vtsteam:
Exciting read, Andrew, about the compressor fire and the console coming alive!  :coffee: :coffee:

awemawson:
Frustrating day today going round and round in circles :(

I've been trying to re-load the back ups of the parameters that I obtained back into the controller. The available documentation is vague to say the least. Having eliminated cable issues (I'm re-using the RS232 cable that drove the Traub) by belling it out against the Siemens documents I then had to juggle the usual 'how many data bits, odd, even or no parity, what baud rate, which signals are in control RTS/CTS DSR/DTR or is it using XON/XOFF - is is ascii or is it EIA coding.

I started trying to dump from the controller and comparing the format with the back ups that I had. It was at this point I found that the port I was using on my multi RS232 box was blown. OK no problem I had a spare port. One of the problems was that a required '=' character was coming out as a 'NULL' - eventually traced to a parameter defining what code the '=' character is. Guess what it was set to '00000000' or NULL !
Then after much Googling and lots of  :scratch: and  :coffee: and a bit more  :scratch: I came across a posting from years ago from my late lamented friend Mark McGrath helping someone else with the same issues. So I blatantly copied his 'setting bits data' into the controller and was able to load some of the less vital stuff, like tool offsets and something called 'R-parameters' that are essentially variables used in canned cycles, but wasn't able to load the vital stuff like the PLC program and the main parameters for the control.

There is obviously something obvious here that I'm missing, and after so many hours at it I decided it was time to walk away from it and clear my head

. . . anyway there's supper to cook !

Pete.:
Andrew what would be the option for a person who bought such a beast and absolutely had no chance of getting the controller working again? Would it mean a full-on retro-fit or would the machine be basically spare parts?

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