john one thing I still havn't sussed is the windows servo tuning software
for the drives.  I am still struggling to connect

Did you get that sussed for the bergerda servo drives?

On Thu, Apr 9, 2020 at 10:41 AM John Dammeyer <[email protected]>
wrote:

> Hi Andrew,
>
> The Bergerda sales support was excellent and any questions he couldn't
> answer went to his engineers.  They came back with answers right away.  I
> think there are now two classes of service from China.
>
> There is still the make a buck at any price group at the lowest level of
> quality they can get away with.
>
> And then there's the others.  Totally world class high quality with
> excellent support on par with German/Japanese made stuff.
>
> Good to hear you got your estop working too.
> John
>
>
> > -----Original Message-----
> > From: andrew beck [mailto:[email protected]]
> > Sent: April-08-20 2:50 PM
> > To: Enhanced Machine Controller (EMC)
> > Subject: Re: [Emc-users] closing the loop in linuxcnc with a 7i76 mesa
> card and step direction control
> >
> > john you drives look very similar to mine lol
> >
> > the brand I use is yuhai.
> >
> > they are very good.
> >
> > 1 matched set  700w servo drive an motor is about 200 usd I think.  that
> is
> > just will the standard 2500 ppr encoders.  but for $50 more  you can get
> a
> > 17 bit absolute encoder from japan or germany i think.  on the end of it.
> > 17 bit is 131072 ppr.  thats absolute data to the servo drive but it can
> > output standard incremental pulses to linuxcnc if you want to bring the
> > encoders back to the pc.
> >
> > I am just trying to get the pc tuning software going and I will be a
> happy
> > camper.
> >
> > I even blew up one of the drives (completely my fault) and they sent me a
> > free replacement.  I only had to pay the shipping.  and the drive was a
> 5kw
> > drive worth like 400 usd
> >
> > I even told them it was my fault.  they asked me to send the damaged
> drive
> > back and they would fix it.  they they got it and look it over.  finally
> > they said it was broken beyond repair and they had sent me a brand new
> one.
> >
> > I was pretty stocked with that service.
> >
> > I have a cnc lathe with all fanuc servos on it at the moment that I would
> > love to get working on the original fanuc servos and new drives but I
> think
> > that it almost isn't worth it.  I might as well pay like 1000 usd and
> just
> > get 2 pics 5kw new drives and servos.
> >
> > If anyone has any ideas I would like to save money though of course
> >
> > On Tue, Apr 7, 2020 at 5:43 AM John Dammeyer <[email protected]>
> wrote:
> >
> > > Nope.  Drive and motor and cables.  The adaptor board converts the TTL
> > > step/dir or pwm/dir into the appropriate signals. Step requires RS422
> for
> > > high speed step rates.  Slower rates can be open collector type
> drivers.
> > > The PWM module I picked up off aliexpress for about $10 which is how
> the
> > > motor operates at the moment from PP-1 off the 7i92H.
> > > http://www.autoartisans.com/mill/PWMSpindle-2.jpg
> > >
> > > Like I said though.  The shipping was a killer at about $150.
> > > Now I also bought a 400W drive at that same time.  Cast a mounting
> plate
> > > for it and did some testing.
> > > https://youtu.be/43liAVILgHY
> > >
> > > John
> > >
> > >
> > > > -----Original Message-----
> > > > From: Leonardo Marsaglia [mailto:[email protected]]
> > > > Sent: April-06-20 10:27 AM
> > > > To: Enhanced Machine Controller (EMC)
> > > > Subject: Re: [Emc-users] closing the loop in linuxcnc with a 7i76
> mesa
> > > card and step direction control
> > > >
> > > > >
> > > > > Those are really expensive.  I'm now sold on Bergerda drives from
> > > China.
> > > > > I deal directly with the factory and not some middle man salesman
> on
> > > Ebay.
> > > > > My 1.8kW drive I'm retrofitting to my Spindle was half that price.
> > > FedEx
> > > > > shipping was the painful part.  They won't ship surface unless the
> > > order is
> > > > > large enough.
> > > > > http://en.bergerda.com/
> > > > >
> > > >
> > > > Hello John,
> > > >
> > > > Are you talking about the drive only? Because this listing I posted
> > > > includes both motor and drive and also the cables. They are not the
> > > > cheapest brand from China but I'm more than confident with them.
> > > >
> > > > This seller that has several accounts sells also some Xifeng drives
> with
> > > > generic servo motors. They are almost half the price the Delta ones,
> but
> > > I
> > > > wasn't confident enough to purchase and install them on the lathe.
> Mostly
> > > > because of the poor documentation I found from them.
> > > >
> > > > Anyway, 350 USD for a 1.8 KW AC servo drive sounds more than good to
> me.
> > > > Did you try these Bergeda drives already? Because I'm more than open
> to
> > > > consider cheaper options for my next retrofit if they are reliable.
> > > >
> > > >
> > > >
> > > > El lun., 6 abr. 2020 a las 13:36, John Dammeyer (<
> [email protected]
> > > >)
> > > > escribi?:
> > > >
> > > > > Those are really expensive.  I'm now sold on Bergerda drives from
> > > China.
> > > > > I deal directly with the factory and not some middle man salesman
> on
> > > Ebay.
> > > > > My 1.8kW drive I'm retrofitting to my Spindle was half that price.
> > > FedEx
> > > > > shipping was the painful part.  They won't ship surface unless the
> > > order is
> > > > > large enough.
> > > > > http://en.bergerda.com/
> > > > >
> > > > > John
> > > > >
> > > > >
> > > > > > -----Original Message-----
> > > > > > From: Leonardo Marsaglia [mailto:[email protected]]
> > > > > > Sent: April-06-20 2:55 AM
> > > > > > To: Enhanced Machine Controller (EMC)
> > > > > > Subject: Re: [Emc-users] closing the loop in linuxcnc with a 7i76
> > > mesa
> > > > > card and step direction control
> > > > > >
> > > > > > >
> > > > > > > I also have a slant bed cnc lathe here that I am going to
> retrofit
> > > > > next.  I
> > > > > > > will need at least 2 axis of stepgens and a 0-10 volt spindle
> > > output.
> > > > > I
> > > > > > > will want to bring the encoders back to the control on this
> also so
> > > > > need at
> > > > > > > least 2 encoder counters plus spindle encoder.  The reason I go
> > > for the
> > > > > > > step-dir servos is that it costs a extra 80usd per axis to get
> the
> > > > > analog
> > > > > > > control option from the servo supplier and that adds up when
> you
> > > start
> > > > > > > getting lots of servos.  also step and dir is really easy to
> get
> > > > > started
> > > > > > > with open loop.
> > > > > > >
> > > > > >
> > > > > > Andrew,
> > > > > >
> > > > > > What brand of servos and drives are you using?
> > > > > >
> > > > > > Because I'm about to install the new control on a slant bed Mazak
> > > and I'm
> > > > > > using these servos:
> > > > > >
> > > > > >
> > > > >
> > >
> https://www.ebay.com/itm/Delta-1KW-3-18Nm-AC-Servo-Motor-Drive-Kit-ASD-B2-1021-B-ECMA-C21010RS-Shaft-
> > > > > >
> > > > >
> > > >
> > >
> >
> 22mm/162717987619?epid=7007485014&_trkparms=ispr%3D1&hash=item25e2bf7323:g:BdgAAOSwSpxZ6Bw1&enc=AQAEAAACY
> > > > > >
> > > > >
> > > >
> > >
> >
> BPxNw%2BVj6nta7CKEs3N0qUmWz426WDr%2B5Bq8tSbuMRoBFn3PL9wnIFWXvJSK8BW3IiUvFesCjNT6kqPq8OBSNR2Vu5HvqRS38
> > > > > >
> > > > >
> > > >
> > >
> >
> 9wbKy%2BPWlnfFko23%2BzttmtaYgoO%2BvZklheCAvifK%2Bn51CWAKOpJ4pTXSyjT831NM3H83g5PEMTYIQqR5vTK4OlN1F0a%2F
> > > > > >
> > > > >
> > > >
> > >
> >
> OcAimLjhFIZzwBpBVHzw00NbEdt%2BfAIofkYP3RyzMLC%2F9QNTAyH%2FDoxCgwILfdcFU9hM6W%2FkZ5YpcNUkZAhkkNnnafWfg
> > > > > >
> > > > >
> > > >
> > >
> >
> 7Czb05zvFepSBaucBdQrrZKouEnGZ0VGhb8RS0HBTGeChkcQxr1hxkTp1lWcXf9iifZpUb04r2Y%2Br54lUssdq4Jyiy3rPT87hrMx0LXACRc
> > > > > >
> > > > >
> > > >
> > >
> >
> 4%2F99pBvdWrMZXPOF7AveWFlJ9CjxhVQBfxDNUiH4sHlErU%2FTtsDsqW5uR9G3i2TG1D76wO9eWPMxCP%2BcqTsdealSXIxvzyLJ1
> > > > > >
> > > > >
> > > >
> > >
> >
> Lss42x46L%2FJTiM7VmHfuzcUS2XOdgHu2nm2yZ4ZcHLdidkQdsW85pyhdjb88lX2YWHBWPxzVoklCcCPV4KiiNK1vuzSYEzeziKVB%2Bf
> > > > > >
> > > > >
> > > >
> > >
> >
> mO2k8jfQa%2BXRieL9eot0Afxk5chrPC0ldmY9Gf2d8VdRBpTuM%2B23F7KjRco4w3GKP1G1v0JY0%2BoLkkCVb0sTYfT4uexz%2BK96
> > > > > >
> > > > >
> > > >
> > >
> >
> XT7QB4jtxuXbCCij4XviykKJOXnb%2FhygEvCf3%2FQnhD%2BBn%2FRyxj%2BWY7f8MCApazEgxWygL6CIoB08skRjujvScF2ovh0RDLfH
> > > > > >
> > > > >
> > >
> Bc5cB7NY1QcDRfRSrqSBag07wUuqCQh&checksum=16271798761957f6ee515acc46db9f2447a1b8bbfaf1
> > > > > >
> > > > > >
> > > > > > Chinesse, but pretty good chinesse. These work in torque, speed
> and
> > > step
> > > > > > mode.
> > > > > >
> > > > > >
> > > > > > El dom., 5 abr. 2020 a las 21:21, andrew beck (<
> > > [email protected]
> > > > > >)
> > > > > > escribi?:
> > > > > >
> > > > > > > thanks for the replies guys.  I am currently seeing what cards
> JT
> > > has
> > > > > that
> > > > > > > I can get.
> > > > > > >
> > > > > > > I have another question though.
> > > > > > >
> > > > > > > I also have a slant bed cnc lathe here that I am going to
> retrofit
> > > > > next.  I
> > > > > > > will need at least 2 axis of stepgens and a 0-10 volt spindle
> > > output.
> > > > > I
> > > > > > > will want to bring the encoders back to the control on this
> also so
> > > > > need at
> > > > > > > least 2 encoder counters plus spindle encoder.  The reason I go
> > > for the
> > > > > > > step-dir servos is that it costs a extra 80usd per axis to get
> the
> > > > > analog
> > > > > > > control option from the servo supplier and that adds up when
> you
> > > start
> > > > > > > getting lots of servos.  also step and dir is really easy to
> get
> > > > > started
> > > > > > > with open loop.
> > > > > > >
> > > > > > > If I started from scratch and didn't have any mesa cards
> available
> > > what
> > > > > > > would you guys recommend?
> > > > > > >
> > > > > > > I am quite happy to chop and change cards with my cnc mill if
> that
> > > > > helps.
> > > > > > > Just want the cheapest and easiest option to set up.  probably
> > > ease of
> > > > > > > setup is more important than saving a little money.
> > > > > > >
> > > > > > > Regards
> > > > > > >
> > > > > > > Andrew
> > > > > > >
> > > > > > > On Mon, Apr 6, 2020 at 12:41 AM Peter C. Wallace <
> [email protected]>
> > > > > wrote:
> > > > > > >
> > > > > > > > On Sun, 5 Apr 2020, andy pugh wrote:
> > > > > > > >
> > > > > > > > > Date: Sun, 5 Apr 2020 13:14:46 +0100
> > > > > > > > > From: andy pugh <[email protected]>
> > > > > > > > > Reply-To: "Enhanced Machine Controller (EMC)"
> > > > > > > > >     <[email protected]>
> > > > > > > > > To: "Enhanced Machine Controller (EMC)" <
> > > > > > > [email protected]
> > > > > > > > >
> > > > > > > > > Subject: Re: [Emc-users] closing the loop in linuxcnc with
> a
> > > 7i76
> > > > > mesa
> > > > > > > > card
> > > > > > > > >     and step direction control
> > > > > > > > >
> > > > > > > > > On Sun, 5 Apr 2020 at 09:40, andrew beck <
> > > [email protected]
> > > > > >
> > > > > > > > wrote:
> > > > > > > >
> > > > > > > > > So I have a 5i25 and 7i76 currently connected I'm running
> out
> > > of
> > > > > io, so
> > > > > > > > am
> > > > > > > > > thinking of getting a 7i73 for the console buttons eg cycle
> > > start
> > > > > so
> > > > > > > > that I
> > > > > > > > > can free up my 7i76 io for the toolchanger.
> > > > > > > >
> > > > > > > > If you have  5I25 and 7I76 and need more encoders, there are
> a
> > > few
> > > > > > > > options available from Mesa:
> > > > > > > >
> > > > > > > >
> > > > > > > > 7I85 = 4 encoder inputs + 5 RS-422 serial ports
> > > > > > > >
> > > > > > > > 7I85S = 4 encoder inputs + 4 step/dir outputs + 1 RS-422
> serial
> > > port
> > > > > > > >
> > > > > > > > 7I89 = 8 encoder inputs or 7 encoder inputs and 1
> RS-422/RS-485
> > > > > serial
> > > > > > > port
> > > > > > > >
> > > > > > > > Peter Wallace
> > > > > > > > Mesa Electronics
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > _______________________________________________
> > > > > > > > Emc-users mailing list
> > > > > > > > [email protected]
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> > > > > > > >
> > > > > > >
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> > > > > > >
> > > > > >
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