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

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awemawson:
So this (very cold!) morning I powered the beast up and confirmed that I could still initialise the turret, move all the axis and select tool positions but still with those same errors reported.

But objective today is to power up the old ToughBook lap top with Step5 (Siemens PLC support program) that runs under Windows XT.

A lot of faffing about and trawling through grey matter and eventually I got there - we are CONNECTED to the internal PLC that runs within the Siemens Sinumerik 820T control that controls this lathe.

A few screen shots just to prove it:

It reports the correct PLC type:

 

I can read internal parameters

 

I can see PLC Ladder Logic in real time

 

Now I need to go and warm up and refresh my memory of what is where in the PLC logic that's relevant to the current issue but my brain's a bit numb at the moment :)

hermetic:
I am back again and watching with baited breath Andrew!!
Phil

awemawson:
Glad to have you aboad Phil. As you know I too have been rather remiss in the attendance department.

I  tell you it will be a major fillip physcologically if I can get this beast back on its feet again !

Kjelle:
Happy to see you back, and going at it!
Even though I can't realy understand what you are doing (I'm more of a nuts'n bolts guy), it is entertaining, and somewhere along the way, I pick up a scrap of knowledge.

Kjelle

awemawson:
Thanks Kjelle,

Things seems to be conspiring against me getting on with this lathe, there was the blocked land drain, then another casualty of the cold snap was my air distribution sytem. I think the issue started when the non return valve on my little hydrovane froze blowing up a bit of it's internal plumbing. Time for a replacement.

I decided to bite the bullet and bought an 18 cfm belt driven Clarke unit which meant revising the layout of the internals of the Portakabin where the compressor lives and doing a rewiring exercise as this unit aparently needs a 40amp service. All that's now sorted - went on line yesterday - sold the dead hydrovane(s) (it's predecessor was still in the Portakabin!) - man coming over from Ireland to collect this evening.

In the mean time the high winds played havoc with my security cameras on the farm so I've revised cabling, pulling some through underground trunking where it's less exposed - awaiting some bracketry from Amazon tomorrow - so that's all on track.

So no more excuses, I need to knuckle down and get on with the lathe - my desk in the workshop still has the Panasonic Toughbook with the Step 5 software awaiting for me to dig into the depths of the PLC where I left it weeks ago.

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