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Messages - ashish

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1
Hi All,
Here is the idea for making ur very own USB enabled multifunctional keyboard with Analouge I/P.
It got 24 Digital input and 6 Analouge I/P. And its really cheap.......................$10 for all.....................If a cnc can be DIY then why not the other interfaces.
Now its up to Artsoft how much they can support this open source device by releasing the plugin.
May be they just let it hide in the dust.

Don't really know its up to u guys ........................let the open source help the hobbiest to grow.


regards

2
General Mach Discussion / Re: servo selection.......
« on: October 03, 2008, 10:41:19 AM »
Think the only analogue inputs at the moment is ModBUS, hover the PoKeys should hopefully have them shortly. Art is working on a plugin to take adavantage of MPG inputs and Analogue Inputs.


There's and open source diy available.................... http://1010.co.uk/avrhid.htm l..........................if this goin to work with mach, don't u think we can have ProPad kind of stuff added to our Mach.
For plugin ......its up to Artsoft how much they can support n how many users want it customised.

Should we get this on FEATURE REQUESTS

Thanks for confirming ster/dir issue.........let me hard-wire them this weekend

3
General Mach Discussion / Re: Unidex 511 Motion Controller
« on: October 03, 2008, 04:32:49 AM »
Flyer says yes it does accepts native G-code

4
General Mach Discussion / Re: servo selection.......
« on: October 03, 2008, 04:18:49 AM »
Hood,

Can we use HID device or Joystic Port with Mach3 ....for analouge input signals. Or we just have MODBUS for external devices.

5
General Mach Discussion / Re: servo selection.......
« on: October 03, 2008, 04:12:09 AM »
here is the details i found in the manual

6
General Mach Discussion / Re: servo selection.......
« on: October 03, 2008, 04:09:57 AM »
ashish

I have various means of doing that, first thing is my Step/Dir inputs to the drive are 5v and I would imagine the Yaskawas would be the same, so no need for anything there. The rest of the I/O on the drive is either through a PLC or things like limits are through relays to the PC.

Hood


Just through the manual again n found that they have two options for driving the position pulse.
a) line driver.........it uses 24vdc power from drive itself n a current limiting resistor.
b) Open collector ............its external supply n different resistance value for optocoupler.


I guess B is for 5Vdc signal. Should i go for it.

7
General Mach Discussion / Re: servo selection.......
« on: October 02, 2008, 09:16:26 AM »
can i ask u what kind of isolator u have used between servo's and lpt port.
coz yashkawa servo accept's 24vdc npn logic.

8
General Mach Discussion / ..
« on: October 02, 2008, 07:01:08 AM »
Not sure what you are meaning by "Well yashkawa servo accepts 200kps maximum."

That means 200,000 pulses per second is the pulse rate which servo can accept for the position velocity.
200,000 pulse per second = 3000rpm

9
General Mach Discussion / Re: servo selection.......
« on: October 02, 2008, 03:35:30 AM »
Hood
0.000625mm is more than enough but let me check what a siemens 810 is capable of.
What CAM and CAD software u r using.
I got Solid Works 2005..............but looking for freeware or open source CAM package.
I want to use gear box with tool indexer......................that would be last mod for the machine but its better to get all things in budget before.

10
General Mach Discussion / Re: servo selection.......
« on: October 02, 2008, 02:48:37 AM »
what about using mach in closed loop. Along with the 1:10 gearbox  (bonfiglioli gearbox)
I guess it will improves the performance.

Well yashkawa servo accepts 200kps maximum.

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