--- In DynoMotion@yahoogroups.com, Tom Kerekes <tk@...> wrote:
>
> Hi Bob,
>
> We added an option to mux the first 4 Step/Dir generators from JP7 to JP4
> (I/O22-25) and JP5 (I/O32-35).
>
> Note that because I/O 16-23 and  26-33 have pull down termination resistors
> "open collector" mode is unavailable.  3.3V LVTTL mode must be used on Step/Dir
> Generators #0 and #2.   So now with Kanalog present all 8 Step/Dir generators
> can now be used but only 6 in "open collector" mode. 
>
> The new test DSP firmware is available here.  Copy it to your
> <install>\DSP_KFLOP directory and FLASH New Version from the Configurations
> screen.  The Firmware will report as test Version V4.24s
>
> http://www.dynomotion.com/Software/MuxStepGens/DSPKFLOP.out
>
> Bit6 (Hex 0x40) of the FPGA Step Pulse Length register is used to mux the 4 Step
> Generator outputs to the alternate pins.  The C Statement below must be executed
> before enabling the axis to mux the pins and to automatically set the
> appropriate pins as outputs.   The 32 keeps the pulse length at 2us.
>
> main()
> {
>     FPGA(STEP_PULSE_LENGTH_ADD) = 0x40 + 32;
> }
>
> Please let us know if this works for you.
>
> Regards
> TK
>
>
>
>
>
>
> ________________________________
> From: "b.burig@..." <b.burig@...>
> To: DynoMotion@yahoogroups.com
> Sent: Wed, February 9, 2011 5:40:57 AM
> Subject: [DynoMotion] Re: KFLOP + KANALOG FOR STEPPERS
>
>  
> I do need 6 axis of stepper. My analog loops are temp and humidity control so I
> can do with only 2 analog. If I use 4 stepper axes from JP5, where can I get the
> other 2 stepper axes.
>
> Thanks,
> Bob
>
> --- In DynoMotion@yahoogroups.com, Tom Kerekes <tk@> wrote:
> >
> > Hi Bob,
> >
> > Yes there are some problems using Step/Dir drives with Kanalog as Kanalog
> > connects to JP5 and JP7.  Normally Kanalog is used with Analog Servos.
> >
> > You can disconnect JP5 from Kanalog and use it for 4 Step/Dir outputs.  You
> >will
> >
> > lose Kanalog's second set of 4 encoder inputs, but everything else on Kanalog
>
> > will function normally.
> >
> > The Step/Dir hardware generators are wired to fixed pins.  They can't be
> > reassigned to other pins such as I/O 160-167.
> >
> > How many Axes do you really need?  6 Step/Dir + 4 Analog would be 10 which is
>
> > more than the 8 supported by KFLOP.
> >
> > The Steps/Rev are determined by the drive and motor you use.
> >
> > Regards
> > TK
> >
> >
> >  
> >
> >
> >
> > ________________________________
> > From: "b.burig@" <b.burig@>
> > To: DynoMotion@yahoogroups.com
> > Sent: Tue, February 8, 2011 1:29:18 PM
> > Subject: [DynoMotion] KFLOP + KANALOG FOR STEPPERS
> >
> >  
> > I have a working 6 axis stepper motion control system set up with
> >C-programming.
> >
> > I wanted to add 4 analog PID loops so I bought the KANALOG board which fits
> > nicely with the KFLOP board.
> > Unfortunately, I had used JP7 for X,Y,Z,& A axes (step and dir), and JP5 for B
> >&
> >
> > C axes (step and dir), which cannot be used with KANALOG add-on.
> > I can reassign I/Os and of course rewire, but there must be an easier way. I
> >can
> >
> > handle pull-ups or pull-downs.
> > I see I/O 160-167 for X,Y,Z,& A axes (step and dir), but I need 2 more axes.
> > Where is the documentation that shows where I/O 160-167 pin-out.
> > I have used I/O 18-29 for various functions.
> >
> > How can I change from 4000 steps per rev to another ratio.
> > Thanks,
> > Bob
> >
>