General > General Technical Chat
Roland "DXG-1100" pen plotter
mikeselectricstuff:
--- Quote from: Delta on June 09, 2015, 11:56:46 am ---That is incredibly cool!
Never mind new pens, stick a Dremmel in there and engrave your own boards!
--- End quote ---
Not a hope - nowhere near enough rigidity
12much:
This is a rather old post, but I hope there is someone who still uses one of these. I lost my AC/DC adapter and unfortunately it has a dual DC outlet: 9Volt + 28 Volt.
It is a 3 Pin PLug, so I assume it has a common negative. Who can tell me which are the other ones?
Tnxx in advance,
Boy Bakhuys the netherlands.
PS I don't use it as a pen plotter, but as a vinyl/ stickercutter btw.
eti:
--- Quote from: 12much on November 10, 2021, 02:26:10 pm ---This is a rather old post, but I hope there is someone who still uses one of these. I lost my AC/DC adapter and unfortunately it has a dual DC outlet: 9Volt + 28 Volt.
It is a 3 Pin PLug, so I assume it has a common negative. Who can tell me which are the other ones?
Tnxx in advance,
Boy Bakhuys the netherlands.
PS I don't use it as a pen plotter, but as a vinyl/ stickercutter btw.
--- End quote ---
Well that’s uncanny, as I happen to have the exact (genuine) Roland PSU for this very model. I’m sure I can ship it if you’d like it?
cybermaus:
One of these?
Looking onto the face of the plug, flat side down:
top-center: common ground
bottom left: 39.5V
bottom riht: 13.5V
Voltages measured unburdened
edit:
I thought them a little high ( for the specs on the sticker) so I hooked them up to a load. They stick exactly to their voltages, all the way up to 1.1Amp.
And on a scope, no wave or noise, nicely flatlining at all timebases.
I was expecting a badly flattened half-have, and maybe my load was showing peak rather then rms.
But none of that, there must be a proper lineair regulator in there, but then, why so much over spec? Would the regulator go off this much with age?
Anyway, you asked for the pinout, they are above.
eti:
--- Quote from: cybermaus on November 12, 2021, 05:20:28 pm ---One of these?
Looking onto the face of the plug, flat side down:
top-center: common ground
bottom left: 39.5V
bottom riht: 13.5V
Voltages measured unburdened
edit:
I thought them a little high ( for the specs on the sticker) so I hooked them up to a load. They stick exactly to their voltages, all the way up to 1.1Amp.
And on a scope, no wave or noise, nicely flatlining at all timebases.
I was expecting a badly flattened half-have, and maybe my load was showing peak rather then rms.
But none of that, there must be a proper lineair regulator in there, but then, why so much over spec? Would the regulator go off this much with age?
Anyway, you asked for the pinout, they are above.
--- End quote ---
Must be the same one.
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