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Messages - nobby

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51
General Mach Discussion / whats with the mini vfd's currently for sale?
« on: September 21, 2015, 03:58:36 PM »
are they the same internal giblets as the earlier things simply packaged tighter?

I think I am wanting a water cooled .8kw spindle = 65mm 4 bearing
 and mini vfd
vfd's state .75kw and not .8kw

is that correct?

I don't want more than 1hp and that's what it is...
says its 2 amps?

next jump at say 1.5kw is 2 hp and pulls 7 amps

http://www.ebay.co.uk/itm/MINI-0-8KW-ER11-WATER-COOLED-SPINDLE-MOTOR-0-8KW-INVERTER-DRIVE-VFD-FOR-CNC-/271881269449?hash=item3f4d62f0c9

just want to be able to switch it on and it be quieter than my mains fed router.





52
General Mach Discussion / pulse output capabilities ess
« on: August 26, 2015, 03:08:15 PM »
http://warp9td.com/index.php/products

erm the Ethernet version says cw and ccw - the usb version says no

do them servo drive doofers want cw and ccw pulse output signalling

anyplops, I have 'finally' bought some sevo motors that match my drives - Panasonic minas a4 @ 200w
maddt1207 and the matching motors

so am I correct in thinking I am buying an ess for mach 4

just been having a read up, my mach 3 is working on windows 10

does that mean mach 4 and ess will work too.
LASTLY
I buy the ess for mach 4 - what else do I need, does the ess plug into something else and then to the drives
thank you

53
Hello please, I have had it working, I have cut something today.
whats the interrupt all about?

54
anyway, the x axis limit switch used to work, now it does still switch, turns the led on and off on the breakout board - usb leafbox 200 hz xulifeng  thing

but it doesn't bounce back = stays in the emergency stop mode if you like on homing, I then have to switch it all off and pull the axis away from the switch to get going again.

do I adjust the switch mechanically - or is there a setting I can alter

I did have to set the kernel speed to 45000hz to get ot going, as its didn't like 25000 - just wiggled about a bit.

any suggestions? - move the switch forwards?

thanks



55
might I be so bold as to ask for
1. a picture of said item
2. price of said item
3. spec of said item
4. link to download page of plug-in of said item

56
https://industrial.panasonic.com/ww/i_e/25000/minas_a4_e/minas_a4_e.pdf


ok so page 98............
yokogowa electric?
usb feed from computer at 5v
5v power supply for pulse train  out put - that to me means step and direction?
cw + from plc/breakout boardto pin 4
cw minus to pin 3
ccw plus to pin 6
ccw - to pin 5
- 5v opto isolated from 24 v
------------------------------------
then using a 24 volt power supply, into a 24 volt breakout board go
e stop pin 7
alarm
limit switches

is it that simple?

24 v power supply to breakout board

57
Hello Again Mr. Hood,
I has just dawned on me why there isn't so much servo talk here on machsupport - Is it simply due to servo systems being 220volt, and in the \u\sa its 110v - so If you like its 'LIKE' them 'LIKE running 3 phase 415?

hmmm, no wonder there is very little info to glean,
Thank yoiu

p.s. its information 'like' do I need to run limit switching with a servo system that has positioning encoders?
do 'most' of them have programmable limits - simply set the table size if you like, similar to sheetcam.




58
yay,
those who wait...........
http://www.ebay.co.uk/itm/111549207664?_trksid=p2059210.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
blam, that is almost £53 quid each -delivered!!!

prAy tell Mr .Hood I have the choise of purchasing the motors with two differing encoders
P- incremental pulse counts = 2500P/r  resolution 10000 - wires 5
or
S Absolute -pulse counts =  17 bit - resolution 131072 - wires 7

do I simply get the higher resolutoin. -do I need to be running mach4 with a ethernet 100mbps connection
are there any network mach 3 break out baords with gigabit network 1000 whatsname speed

59
Mach4 General Discussion / so the ess and 4 work?
« on: January 02, 2015, 07:05:32 PM »
great,
what is foxing me is there doesn't seem to be a pin out step and dir +/- diagram for the ess, does that mean I simply 'have' to use

http://www.aquickcnc.com/store/3-axis-unipolar-cnc-controller/

does that also mean that the limit switches are on the controller and not the ess, so its impossible without, not knocking it am just unfamiliar with it

I 'suppose' I do like the fact that its all together on the one board with a single power input for motors

are the chips similar to a tb6600?

does it want a 5v feed and the motor feed @ 36v

are the connectors to the right for limit switches

why then is it not bundled with the ess?

I don't need spindle controll or anything bar limits

are they making a single output 36 volt 10 amp psu - ar a psu that has both 5v and 36 v capability

hmmm

I have loads of server  5v psu's - the little ones, and loads of fans 5v

so I suppose all you need is the ess, that driver board a little 5v power unit and a 36v 10 psu in the box = box can be ereal small = like that.




also whilst on, I take it a cat5 cable simply can't supply the 5v for it and the limit switches?


60
aha, think i have it
the  encoder feed from the motors to the drive is 24 volts - thats the confusing part?
step and direction pulse train is always 5 volts
driver sends upto 90 volts to the drive side of the motors.

break out board wants 24 volts to stabilise limit switches - spindle control - e-stop, this is opto isolated sheilded  away from the 5v
usb feed from the pc to the input on the drive, thus making it a cleaner signal? so you don't get any noise from the limits - e-stop - spindle interfering with the stepp and direction for the drive .............ahhhhhhhhhhh

so i need 3 motors - some wire, 3 drivers, one of them bobs, a 24v psu.
3 motor mounts with a 70mm pcd, some couplers 11mm to 1/4''
bolton
why am I doing this?
can I send you a drawing and you mill me some mountings £ price please

I am thinking I can 'almost' have a laminated 3 times 15mm plate alloy affair = 45mm motor mount



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