[rgdcncmachines]

This is my DC link cables

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[rgdcncmachines]

May be is wrong cable

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[rgdcncmachines]

The problem its only in the last SVM for 4th axys


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[guhl]

no, your wires are ok
but as I see, there is not ready state on second drive ("-"), but on another "0" - ready
if your drive is under abnormal condition it usually shows the alarm number, in your case must be "2" or "5"
I faced with similar problem when one of my drives showed "-", while other drives showed "0". but my CNC showed "improper VRDY off", I replaced this drive and din't figure out what happened with it so far.

[rgdcncmachines]

So

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[guhl]

I think we should dismantle your drive

[rgdcncmachines]

Ok do u have some manual???

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[guhl]

all manuals are present on internet
we need just head, hands and tools

[rgdcncmachines]

;

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[guhl]

I forgot to ask
was that drive at this machine from the begining or you tried to upgrade your machine with 4-th axis?
I mean may be some trouble with parameters?

[rgdcncmachines]

I do an upgrade to 4th axis in my VMC. I have all cables and motor connected . I did changes in my 8000's parameters and 900's

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[guhl]

8000s, those which are get dowloaded from servo eprom?
what about FSSB settings 19xx?

[rgdcncmachines]

I dont take those parameters !!! Only 8000 and 900s

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[guhl]

http://www.cnccenter.com/pdfs/1546.pdf
catch the link to appropriate manual
if you faced with difficulties I'm ready to take a part in your project, but through PM, so as this work will take some time

[rgdcncmachines]

Thanks my friend let me see this attch.

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[rgdcncmachines]

My SVM is not FSSB interface

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[guhl]

sorry, I'm wrong
you are right
ok
could you swap control cables with neighbour drive

[guhl]

these manuals can help you

[rgdcncmachines]

Yes i did and the same alarm 444 DGN bit#6 LV

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[guhl]

with which axis have you swapped the cables?
the fault had to move to another axis, i.e. now it must be on another axis 414 or 424 or 434, but not 444