Tiny Computer with Printer port

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27 Jun 2013 02:42 - 27 Jun 2013 15:53 #36109 by BigJohnT
If you want to copy this to a new post, I'll make a sticky from it and lock it.

Thanks
JT


Now done thanks John
Last edit: 27 Jun 2013 15:53 by ArcEye.

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27 Jun 2013 19:35 #36130 by tenaja
The o/p removed the link, and the pc has been removed from their web site. The only place I could find it was robotshop or something like that. After all that work, is there going to be a sustainable source?

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27 Jun 2013 20:11 #36136 by tkamsker
Privjet ;)-
My cnc "dealer" did import them directly to austria/Europe
I am working on an VFD Toolchanger configuration fpr 3 or 4 axis Milling machines
And we will then order batches
so i can ask him when he is ordering the next batch if you need / want to
thomas

No i am fighting with spindle orientation ;)-

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27 Jun 2013 20:18 #36137 by ArcEye

The o/p removed the link, and the pc has been removed from their web site. The only place I could find it was robotshop or something like that. After all that work, is there going to be a sustainable source?


RoBoard who make it, are a robotics company.
I found it for sale on a UK site and a US site, both of which show stock available, so presume availability for the time being.

www.roboard.com/ncbox-189.html

secure.robotshop.com/roboard-ncbox-189-c...ne-controller-2.html

robosavvy.com/store/product_info.php/products_id/3848

Quite honestly the disk image was more to save me time than anything.
Much easier to provide a package that just works, than try to talk an endless stream of people of varying degrees of Linux knowledge, through a complicated build process.

regards
The following user(s) said Thank You: tkamsker, midworld08

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10 Jul 2013 01:44 #36463 by tkamsker
help me please with my confusion on the ncbox
(Update of status i have one cf with a manual compiled ok kernel and run linuxcnc 2.5.2 fine i had a parport config where i can also conrtol the vfd because of spindel orientation i have bought 8gb cf cards and used your binary package to be compatible ,..
that worked fine as well now i want to use GPIO
i did load down the code and compiled it in it should work
so now my confusion
1) the picture shows 2 times 8 pins
2) your text on tab 3 says you have the gpio as 3 times 8 pins

i tried the example nice but where is the pin ? i understand the masking but not where is which pin ?

so my question
would it be possible to use the "LPT" board "normal" like an lpt board
and on top configure the gpio board as 3 times 8 pins or like the picture says 2 times 8 pins

if i know which pin i can go to the machine and see if spindle orientation "likes" me ;)-
thx
thomas
The following user(s) said Thank You: ArcEye

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10 Jul 2013 14:59 #36486 by ArcEye
Hi Thomas

You will be glad to know it is quite simple, you have been looking at a picture labelled NCBOX-PWM

The picture for the GPIO ports never uploaded for some reason, I think the picture size limit was lower then

So here it is



The ports can be set in BIOS but I seem to remember thay are all IN pins by default

regards
Attachments:

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10 Jul 2013 15:01 #36487 by ArcEye

have bought 8gb cf cards and used your binary package to be compatible ,..
that worked fine


Thanks for trying it and reporting back, I know it works for me, but needed someone else to confirm

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10 Jul 2013 15:46 #36492 by tkamsker
Ahhhhh
Verry nice thx for the picture ,..
i made yesterday pin 7 to respond
so i was afraid to use try & error for that pins now i am verry happy ,..

Question should i try something for the "audience"
my next steps will be
1) Spindle orientation ( i have an Voltage divider on an 24V conactless switch which i put in one of the pins
2.) Toolchanger carousel
2.1) 2 Relais (24V) for left right and turn on
2.2) 2 24V conactless switches for index and posistion of the turret
2.3) 2 endswitches for Carousel is back or is in front
2.4) 1 Solenoid valve (which will be an 24V Relais ;)- for test to push Carousel in front position if not powered carousel goes in back position
3.) 2 Relais for the spindle operation
4.) 2 Switches to check spindle position

the rest of the pins i will use for Buttons ;)-

so on fr i will work on Spindle orientation
meanwhile i read a lot to see if i use classicladder or write an component for toolchanger

thomas
Which means if anyone want to use that small NCBOX i can try some stuff if needed
in the end of the project
one of the box will go on my turning lathe -> yes i want thread with it ;)-
and the 2nd box will go to the mill with ATC
thomas

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14 Jul 2013 01:47 #36625 by tkamsker
Hi, Mr Lucrene_lu
I do have your Board now um and running
I managed to use LPT for the normal Stepper configuration VFD and so on,..
I also managed tu use 2 Times 8 Pins of the gpio´s but now i am got stuck

I prepared an Electronic (which is where i am not 100% firm i am mecanic and software developer ,... )
where i use an Inducttive NPN Switch It is an IF71002 ( www.produktinfo.conrad.com/datenblaetter...NKG_I_US_100_DPS.pdf )
It works with 24V like i use the Power for your Board
then i build an Voltage divieder to get the voltage down below 5 V (between 3 and 4.5)
So then i found out that your pin "wants" minus pole to get activated ,..
I tried to reverse that with an BC547 Tranistor but i spend the whole day to day it doesnt work.

So i would love to use my Voltage divider .

Question 1 )
Is there a chance somewhere in the bios for instace (which i searched) to tell the board please use + as logical 1 not minus ?

Then my electronic should work immediatlely

Question 2)
Do i have to buy an PNP Switch instead ?

Question 3)
You developed the board probably you have an recomendation how to tacle that problem
thx
thomas

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14 Jul 2013 16:05 #36638 by ArcEye
Hi

Pending any reply from Anthony, have you thought of just using the 24v from the inductive proximity switch, to switch a 5v signal of the correct polarity, rather than directly connect.

Found this circuit too
www.cosel.co.jp/en/data/pdf/reverse_polarity.pdf

I'm sure Andy, Jon or PCW will have loads of other ways to do it.

regards

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