On Sunday 14 April 2019 09:57:06 Gene Heskett wrote:

> On Friday 12 April 2019 15:27:13 Gene Heskett wrote:
> > On Friday 12 April 2019 10:57:42 Jon Elson wrote:
> > > On 04/12/2019 12:21 AM, Gene Heskett wrote:
> > > >   It uses the
> > > > phrase "digital operator" which could translate to its own front
> > > > panel.
> > >
> > > Yes, that is the usual term for the plug-in front panel.
> > > That panel can be removed once the device is configured.
> >
> > Yes, I found a poor pix of it in the booklet, titled "Digital
> > Operator".
> >
> > > > I assume that config changes are retained over a powerdown as
> > > > having to refresh its settings at every power-up is a complete
> > > > non-starter to me.
> > >
> > > Yes, the micro has a flash ROM to store the configs settings.
> > >
> > > Jon
> >
> > I hooked it up like I had the other, but when powered up it displays
> > a 4 digit error code. Rapidly blinking. But the only error code
> > table in the back of the booklet only shows 2 digit errors with the
> > left digit=0.
>
> Turns out the left digit was showing a F and a number that would be
> the frequency IF it was running, which at powerup, it wasn't.
>
> > Unlike the OEM controller, the ground end of the external pot goes
> > to a terminal named GND. But the FWD/REV buttons have a different,
> > isolated XGRB.
>
> This XGRB is i believe a typu, I have found it called XGND other
> places in the booklet.
>
> [... separete grounds for analog and digutal]
>
> I have done that now. Using 2 cables, but have yet to slip some heat
> shrink over the drain wires used for the analog GND, and the digital
> switches FWD, REV version of XGND.
>
> I scrounged thru the pile of scraps behind the chop saw and came up
> with some 3/4" ply to  make a mount so its screwed down now.
>
> This "thing" probable has 200 registers that report data, but are
> skipped in the booklets lists.  That alone is making the extra serial
> output on the 7i76 more appetizing, so what do I add to the hm2_pci
> loadrt line to make that port visible to the halmeter or dmesg?
>
> Thanks everybody.
>
> Cheers, Gene Heskett

Somebody might want to write this down FFR re the YL620-A vfd's, I've 
found the means to make LCNC's s command set the speed, see page 20, 
P07.08 thru P07.15.  I set all of those 8 registers up from 2 to 3.  
Probably only one is needed, but I played CMA and set them all to 3, and 
the front panel knob is dead but s12000m3 fires it right up.  But it 
still has no low speed current boost, slowly coasting to a stop at 63 hz 
output. Its also quite unstable at speeds below about 6000 revs, 
obviously hunting badly.

P00.12 is zero, has a range to 4, and has a label "VF Curve Setting", I'd 
assume 0 is off. P00.00 is supposed to be mains frequency, defaults to 
400 on error, and is an error if set below 150. Ack the booklet, factory 
is 50.00 but a full reset puts it back to 400. ???

Anyway, some progress!  Yay!

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>



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