AXBB-E with YL620

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AXBB-E with YL620

Postby asuratman » Fri Jul 29, 2022 1:59 pm

Please help !
I have installed YL620 VFD on my AXBB-E. All axis's, mist pump and cooling pump work OK.

I have wired :
AXBB-E VFD
AO1 --- V11
5V0 --- GND , 5V0 power out
O2 --- FWD
24V0 --- XGND

24V0 is connected to 5V0 , power inputs
I have remove jumper on AXBB-E to work 10V.

on UCCNC spindle setting :
PWM 400 hz, 0-100%
spindle velocity 1-24000 rpm
M3 pin #2 port #1
M7 pin #3 port #1
spindle PWM--> analog channel #1

I have entered some parameter VFD YL620 (not all), then I run my machine.
I can make on/off spindle motor through UCCNC, and control freq from VFD knob. I can adjust spindle motor speed by turning the knob on VFD. I can not control speed using S command from UCCNC. So that when I write S3000 on MDI, no changes on motor speed.

How to control spindle velocity with S command or UCCNC, I miss something in UCCNC or I need some more parameter VFD ? What are they ?
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Re: AXBB-E with YL620

Postby ger21 » Fri Jul 29, 2022 3:02 pm

Usually a VFD setting or jumper, to switch from manual control to external control. Sorry, not familiar with that VFD.
Gerry
UCCNC 2022 Screenset - http://www.thecncwoodworker.com/2022.html
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Re: AXBB-E with YL620

Postby asuratman » Fri Jul 29, 2022 3:45 pm

I have remove the jumper on board to make 10V.
Attachments
axbbe jumper.jpg
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Re: AXBB-E with YL620

Postby ger21 » Fri Jul 29, 2022 4:40 pm

Look in the manual for P07.08.
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Re: AXBB-E with YL620

Postby Dazp1976 » Fri Jul 29, 2022 6:21 pm

ger21 wrote:Look in the manual for P07.08.



Yep.
Says:
P00.01 set to 1. (external start/stop)
P07.08 set to 3. (external analog control speed)
Then:
P03.10 - P03.13. (set up the minimum/maximum analog speed values)
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Re: AXBB-E with YL620

Postby asuratman » Sat Jul 30, 2022 3:36 am

Thanks ger and dazp,
I have typed in P07.08 set to 3 and P03.10 - P03.13.
I type in MDI gcode s5000, s20000, etc, it works. But its freq max 200 on VFD panel, in this case I need to check jumper 0-10V, is that right ?
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Re: AXBB-E with YL620

Postby asuratman » Sat Jul 30, 2022 4:10 am

I put back jumper on axbb-e board, now max freq 390 on vfd panel.I think OK for now. I will try to find slowly why freq not right smack on 400 hz. I made mistake to remove the jumper. So VFD and spindle work OK ... thanks ... Monday will try to cut wood ...
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Re: AXBB-E with YL620

Postby Dazp1976 » Sat Jul 30, 2022 11:12 am

asuratman wrote:I put back jumper on axbb-e board, now max freq 390 on vfd panel.I think OK for now. I will try to find slowly why freq not right smack on 400 hz. I made mistake to remove the jumper. So VFD and spindle work OK ... thanks ... Monday will try to cut wood ...


So that seemed to work then in terms of the vfd, correct?.
If still not getting the 'full' rpm (but v' close) then:
You need a voltmeter to check you are getting the full 10v from AXBB-E.
Then that will give something to work from when questioning on how to get full rpm.

There may be 'gain' adjustments the more advanced members could point you to.
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Re: AXBB-E with YL620

Postby asuratman » Sat Jul 30, 2022 11:58 am

Correct, the vfd works OK now. I read max 389 hz on VFD panel, it means 389x60 = 23340 rpm. I can use S code in MDI, rpm on spindle motor to follow. When I measured AO1 to 5V0 is not full 10V, I do not have digital volmeter to read exact number. I will check for full 10v, I read in zone or somewhere in here to compensate to 10v.
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