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

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Pete.:
I've said it before but I have to admire your tenacity Andrew.

That wouldn't be giving me any more trouble by now if I was working on it  :hammer: :hammer: :hammer: :hammer:

AdeV:
Aaah, I see! Very clever  :smart: 

Although one immediately wonders what would happen if bits 47.1 and 47.2 were both set to true! (a real RS flipflop would output 0...)

I can see why you want a printout of the whole thing, it must be a bear trying to trace it all one logic unit at a time... It will be interesting to see if the Mazak has something similar (I guess it will).

David Jupp:
But the one in Andrew's screen shot looks like an SR not an RS so Set will take priority over Re-set as this rung is evaluated.

awemawson:
Ade, I need the whole shooting match to check what is happening with the M20 command.

Chap hasn't got back to me yet BUT I'VE DONE IT MYSELF  :ddb: :ddb:

Simple when you know how and ignore the distractions in the manual that refer to printing and seem to have no relevance what so ever !

.PDF attached of the whole of PB202

AdeV:
Crumbs - I'd not like to try to work that lot out without a manual and a stiff cup of coffee!

What are the segments that look a little like machine code? And what do they do?  :scratch:

I reckon, if you gave me a week & a text version of that file, and a few hints from the manual, I could come up with a nice lathe simulator for you  :lol:

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