On Sat, 24 May 2014, a k wrote:

> Date: Sat, 24 May 2014 16:24:04 -0700
> From: a k <pccncmach...@gmail.com>
> Reply-To: "Enhanced Machine Controller (EMC)"
>     <emc-users@lists.sourceforge.net>
> To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net>
> Subject: Re: [Emc-users] emc2--2.5
> 
> Hi
> i found that that scale is different.
> in emc2  2.2 theory was
> encoder pulses - in my case 8192 -- and that is per quadracha -- so
> x4--=32768
> than ball screw about 5 pitch per 1"
> so times 5 and that get to around 163840 for scale.
> with 163840 i getting error.
> i increase that number to 1063840 and i can jog in 0.001 increment and
> consequently instead 0.001 machine moves 0.007
> my question is - encoder with 8192 pulse is too old and i need servomotor
> where encoder output 10 times more pulse or get gear reducer head with
> ration 1to 50 etc?
>
> i want to be sure that my ac servo motor (with 8192 pulse) tuneable at all
> with emc2 -2.5 ?
>
>


I think its unlikely that input scale (encoder scale) changed and much more 
likely that the PID numbers are different so will require different tuning


>
>
>
> On Sat, May 24, 2014 at 11:15 AM, <tcninj...@gmail.com> wrote:
>
>> I can guarantee that the scaling is different between m5i20 and hostmot .
>> I replace a computer a while back and updated from 2.3 to 2.5. and made no
>> changes to the machine and tried to use my existing pid numbers with no
>> luck. After retuning the numbers were not even close.
>>
>> Terry
>>
>> On May 23, 2014, at 5:12 PM, "Peter C. Wallace" <p...@mesanet.com> wrote:
>>
>>> On Fri, 23 May 2014, a k wrote:
>>>
>>>> Date: Fri, 23 May 2014 14:45:06 -0700
>>>> From: a k <pccncmach...@gmail.com>
>>>> Reply-To: "Enhanced Machine Controller (EMC)"
>>>>    <emc-users@lists.sourceforge.net>
>>>> To: "Enhanced Machine Controller (EMC)" <
>> emc-users@lists.sourceforge.net>
>>>> Subject: Re: [Emc-users] emc2--2.5
>>>>
>>>> i did run emc2.2 live cd and put ini file back
>>>> it work for 2 min and start give join following error0.
>>>> what is difference between joint following error 0 from joint following
>>>> error 1 and joint following error 2
>>>>
>>>> thanks
>>>> aram
>>>
>>> Most likely
>>>
>>> joint folowing error 0 is an error on X
>>> joint folowing error 1 is an error on Y
>>> joint folowing error 2 is an error on Z
>>>
>>> I am not at all sure that the PID scaling or even polarity are identical
>> on
>>> m5i20 and Hostmot2.
>>>
>>> Also not sure if the encoder direction is the same. So first I would
>> verify
>>> that the encoder direction and scaling are correct and if not fix them
>> first.
>>> Then I would widen the ferror limits and check if the drives run away
>> when
>>> enabled. If so the PWM scale needs to be reversed.
>>>
>>>
>>>>
>>>>
>>>> On Fri, May 23, 2014 at 11:37 AM, a k <pccncmach...@gmail.com> wrote:
>>>>
>>>>> hi
>>>>> interesting part is that yesterday  when i start computer it give error
>>>>> that i post here. cnc window did not want to open and error was there.
>>>>> today same computer - everything same - start - open cnc widow with no
>>>>> problem.
>>>>> i even turn motor to see if encoder will move - yes and all encoders
>>  are
>>>>> connected right - figures in axis do change.
>>>>> only when i power machine on i getting ---joint 2 following error ----
>>>>> looks like tuning problem but i put all ini file back.
>>>>> and those ---joint 2 following error ---- activated instantly  after
>> power
>>>>> on machine --F2--
>>>>>
>>>>> why situation change overnight? by them self?
>>>>> and ---joint 2 following error ---- not just tuning problem but
>> something
>>>>> else.
>>>>> How i can do that --their EEPROM
>>>>> data updated to the current---?
>>>>>
>>>>> i am not complaining. thank you for all help. maybe it consumer reflex
>> -
>>>>> when thing is working it switch happiness On/Off.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Fri, May 23, 2014 at 5:54 AM, Peter C. Wallace <p...@mesanet.com>
>> wrote:
>>>>>
>>>>>> On Fri, 23 May 2014, a k wrote:
>>>>>>
>>>>>>> Date: Fri, 23 May 2014 04:16:59 -0700
>>>>>>> From: a k <pccncmach...@gmail.com>
>>>>>>> Reply-To: "Enhanced Machine Controller (EMC)"
>>>>>>>    <emc-users@lists.sourceforge.net>
>>>>>>> To: "Enhanced Machine Controller (EMC)" <
>>>>>> emc-users@lists.sourceforge.net>
>>>>>>> Subject: Re: [Emc-users] emc2--2.5
>>>>>>>
>>>>>>> hi
>>>>>>> i think that the situation where i am now - controller that does not
>>>>>> work-
>>>>>>> is good answer to question why i avoid to update to new releases of
>>>>>> emc2.
>>>>>>>
>>>>>>>
>>>>>>> why data for 5i20 was change during evaluation from 2.25 to 2.5? -it
>> was
>>>>>>> working on emc2 2.25 just keep it same.
>>>>>>>
>>>>>>> so my board 5i20 is useless now - garbage?
>>>>>>> i have 2 of them!
>>>>>>
>>>>>> The 5I20 is unchanged and you can go back to 2.2.5 easily if you
>> saved you
>>>>>> 2.2.5 installation
>>>>>>
>>>>>> The 5I20s that you have are old enough that they may need to have
>> their
>>>>>> EEPROM
>>>>>> data updated to the current to be able to rum Hostmot2 firmware, but
>> this
>>>>>> is
>>>>>> not clear because At one point you showed an error that indicated a
>> card
>>>>>> access problem (FPGA reset issue) but then you said that you were
>> able to
>>>>>> launch linuxCNC
>>>>>>
>>>>>> What is the curret situation with running linuxcnc 2.5?
>>>>>>
>>>>>>
>>>>>> Q
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Thu, May 22, 2014 at 2:23 PM, a k <pccncmach...@gmail.com> wrote:
>>>>>>>
>>>>>>>> what should i do now?
>>>>>>>> there was reason that i like emc2.2
>>>>>>>>
>>>>>>>>
>>>>>>>> On Thu, May 22, 2014 at 12:15 PM, Peter C. Wallace <p...@mesanet.com
>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> On Thu, 22 May 2014, a k wrote:
>>>>>>>>>
>>>>>>>>>> Date: Thu, 22 May 2014 11:32:08 -0700
>>>>>>>>>> From: a k <pccncmach...@gmail.com>
>>>>>>>>>> Reply-To: "Enhanced Machine Controller (EMC)"
>>>>>>>>>>    <emc-users@lists.sourceforge.net>
>>>>>>>>>> To: "Enhanced Machine Controller (EMC)" <
>>>>>>>>> emc-users@lists.sourceforge.net>
>>>>>>>>>> Subject: Re: [Emc-users] emc2--2.5
>>>>>>>>>>
>>>>>>>>>> i think i know
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Thu, May 22, 2014 at 11:29 AM, a k <pccncmach...@gmail.com>
>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>>> who is PCW?
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Thu, May 22, 2014 at 11:18 AM, andy pugh <bodge...@gmail.com>
>>>>>>>>> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> On 22 May 2014 19:06, a k <pccncmach...@gmail.com> wrote:
>>>>>>>>>>>>> [11380.125103]  hm2_5i20.0: firmware: requesting
>>>>>> hm2/5i20/SVST8_4.BIT
>>>>>>>>>>>>> [11380.127460] hm2_5i20.0: FPGA did not reset: /INIT = 1, DONE
>> = 1
>>>>>>>>>>>>
>>>>>>>>>>>> OK, so you seem to have a config updated for the new driver,
>> which
>>>>>> is
>>>>>>>>>>>> a good start.
>>>>>>>>>>>> I think we might need PCW to explain the problem above.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Not sure (especialliy if linuxCNC does load with drivers disabled)
>>>>>>>>>
>>>>>>>>> that error by itself may indicate very old EEPROM data on the 5I20
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> --
>>>>>>>>>>>> atp
>>>>>>>>>>>> If you can't fix it, you don't own it.
>>>>>>>>>>>> http://www.ifixit.com/Manifesto
>>>>>>
>> ------------------------------------------------------------------------------
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>>>>>>>>>> Get unparalleled scalability from the best Selenium testing
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>>>>>>>>> available
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>>>>>>>>>> _______________________________________________
>>>>>>>>>> Emc-users mailing list
>>>>>>>>>> Emc-users@lists.sourceforge.net
>>>>>>>>>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>>>>>>>>
>>>>>>>>> Peter Wallace
>>>>>>>>> Mesa Electronics
>>>>>>>>>
>>>>>>>>> (\__/)
>>>>>>>>> (='.'=) This is Bunny. Copy and paste bunny into your
>>>>>>>>> (")_(") signature to help him gain world domination.
>>>>>>
>> ------------------------------------------------------------------------------
>>>>>>>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For
>> FREE
>>>>>>>>> Instantly run your Selenium tests across 300+ browser/OS combos.
>>>>>>>>> Get unparalleled scalability from the best Selenium testing
>> platform
>>>>>>>>> available
>>>>>>>>> Simple to use. Nothing to install. Get started now for free."
>>>>>>>>> http://p.sf.net/sfu/SauceLabs
>>>>>>>>> _______________________________________________
>>>>>>>>> Emc-users mailing list
>>>>>>>>> Emc-users@lists.sourceforge.net
>>>>>>>>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>>>>>
>> ------------------------------------------------------------------------------
>>>>>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For
>> FREE
>>>>>>> Instantly run your Selenium tests across 300+ browser/OS combos.
>>>>>>> Get unparalleled scalability from the best Selenium testing platform
>>>>>> available
>>>>>>> Simple to use. Nothing to install. Get started now for free."
>>>>>>> http://p.sf.net/sfu/SauceLabs
>>>>>>> _______________________________________________
>>>>>>> Emc-users mailing list
>>>>>>> Emc-users@lists.sourceforge.net
>>>>>>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>>>>>
>>>>>> Peter Wallace
>>>>>> Mesa Electronics
>>>>>>
>>>>>> (\__/)
>>>>>> (='.'=) This is Bunny. Copy and paste bunny into your
>>>>>> (")_(") signature to help him gain world domination.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>> ------------------------------------------------------------------------------
>>>>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>>>>>> Instantly run your Selenium tests across 300+ browser/OS combos.
>>>>>> Get unparalleled scalability from the best Selenium testing platform
>>>>>> available
>>>>>> Simple to use. Nothing to install. Get started now for free."
>>>>>> http://p.sf.net/sfu/SauceLabs
>>>>>> _______________________________________________
>>>>>> Emc-users mailing list
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>>>>>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>>>
>> ------------------------------------------------------------------------------
>>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>>>> Instantly run your Selenium tests across 300+ browser/OS combos.
>>>> Get unparalleled scalability from the best Selenium testing platform
>> available
>>>> Simple to use. Nothing to install. Get started now for free."
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>>>> _______________________________________________
>>>> Emc-users mailing list
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>>>
>>> Peter Wallace
>>> Mesa Electronics
>>>
>>> (\__/)
>>> (='.'=) This is Bunny. Copy and paste bunny into your
>>> (")_(") signature to help him gain world domination.
>>>
>>>
>>>
>> ------------------------------------------------------------------------------
>>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>>> Instantly run your Selenium tests across 300+ browser/OS combos.
>>> Get unparalleled scalability from the best Selenium testing platform
>> available
>>> Simple to use. Nothing to install. Get started now for free."
>>> http://p.sf.net/sfu/SauceLabs
>>> _______________________________________________
>>> Emc-users mailing list
>>> Emc-users@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
>>
>> ------------------------------------------------------------------------------
>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>> Instantly run your Selenium tests across 300+ browser/OS combos.
>> Get unparalleled scalability from the best Selenium testing platform
>> available
>> Simple to use. Nothing to install. Get started now for free."
>> http://p.sf.net/sfu/SauceLabs
>> _______________________________________________
>> Emc-users mailing list
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>> https://lists.sourceforge.net/lists/listinfo/emc-users
>>
> ------------------------------------------------------------------------------
> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
> Instantly run your Selenium tests across 300+ browser/OS combos.
> Get unparalleled scalability from the best Selenium testing platform available
> Simple to use. Nothing to install. Get started now for free."
> http://p.sf.net/sfu/SauceLabs
> _______________________________________________
> Emc-users mailing list
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> https://lists.sourceforge.net/lists/listinfo/emc-users
>

Peter Wallace
Mesa Electronics

(\__/)
(='.'=) This is Bunny. Copy and paste bunny into your
(")_(") signature to help him gain world domination.


------------------------------------------------------------------------------
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Instantly run your Selenium tests across 300+ browser/OS combos.
Get unparalleled scalability from the best Selenium testing platform available
Simple to use. Nothing to install. Get started now for free."
http://p.sf.net/sfu/SauceLabs
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