--- In DynoMotion@yahoogroups.com, Tom Kerekes <tk@...> wrote:
>
> Hi Gregg,
>  
> The Config/Flash screen is described here:
>  
> http://www.dynomotion.com/Help/ConfigurationScreen/ConfigurationScreen.htm
>  
> Within the KMotion and KFlop we find it is usually better to keep things in raw
> units such as encoder counts, DAC counts, etc...  It helps one understand the
> true range and resolution limits of the hardware better.  It is possible to
> scale things to Engineering Units with input and output gains and such, but I
> wouldn't recommend it.  It is usually simpler to leave those set at 1.0 (or
> sometimes -1.0).  A higher level application like Mach3 or KMotionCNC will
> then handle the conversion from engineering to hardware units. 
>  
> See below:
>  
>
>
>
> ________________________________
> From: funncarsmi <funncars@...>
> To: DynoMotion@yahoogroups.com
> Sent: Mon, October 18, 2010 8:19:34 AM
> Subject: [DynoMotion] Kanalog configuration page
>
>  
> I'm trying to play with the board in the comfort of my home with sample inputs
> that can't blow the boards, before standing in front of a CNC mill with inputs
> that can damage the board.
>
> The configuration screen has be 90% baffled. I've read the using Kanalog and
> looked at the example Configuration, but I do not see any notes detailing what
> the purpose each of these settings is.
> If each channel only has one item connected how do I have an input AND an
> output?
>
>
> I believe you have a KFlop+Kanalog.  For this the input will be an encoder and
> the output will be the DAC
>
> "Microstepper amplitude" ...but there are no engineering units input this in
> volts? SI units? metric units? pulses per rev? Ratio? Percentage?
>
> This doesn't apply to you.  It is only used when sinusoidally moving a stepper
> motor (ie with SnapAmp - not Step/Dir).  Units are ADC current counts.
>  
> I guess it could be many other things too. "Max following error" ...again no
> engineering units - is this a percentage or an engineering unit? "
> This is important for you.  Units are encoder counts.  If the absolute
> difference between the commanded and measured Encoder Positions are greater than
> this value the axis will be disabled. 
>
>  
>  
> Inv Dist per Cycle" ...is there a document that gives me the unabbreviated name
> for this? and what is this purpose? I'm guessing this number is either 1 or -1.
> "Lead compensation" again no engineering units ...is this as a percent or in
> engineering units? I'm assuming this is to compensate for following errors, but
> how this number would affect it is unclear.
>
>
> Neither apply to you.  See the documentation.
>
> I've sold encoders and connected more than a few motors and encoders I'm used to
> seeing # of pulses per rev, full scale scaling in voltage, etc. I work with
> metric and SI unitsThe lack of engineering units really throws me. I realize
> this one screen is used for everything, is there a document that better explains
> this page?
>
>
> See the link above or push the "Help" button on the page.
>
> Stepping into someone else's abbreviations, terminology and expectations is
> always difficult. I don't know when you expect percentage, volts or engineering
> units. I'm sure this is wont be too difficult once I know what entries these are
> expecting and the purpose of each field.
>
> Our controllers are very flexible so it can make the configuration difficult.
> Regards
> TK
>
> -Gregg
>

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