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chinese CNC software spindle control

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Anonymous
chinese CNC software spindle control 2016-01-16 00:22:22 Post No. 930635
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chinese CNC software spindle control Anonymous 2016-01-16 00:22:22 Post No. 930635 [Report]
got a chinese 3040 CNC machine and am trying to enable spindle control from software. the vfd board is very chinese and very not documented. the parallel port board has no connection to the pwm output, and the vfd has no connections for pwm, but does have an AVI connector. am i correct in assuming that pwm can drive the AVI with no intermediary conditioning, or will i have to put the pwm through a low pass filter to convert it to a true analog signal before connecting to the vfd?

pic related, it's the control box face for the jdfd-s5 that drives the spindle.
>>
Anonymous 2016-01-16 00:24:57 Post No.930639
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Anonymous 2016-01-16 00:24:57 Post No.930639 [Report]
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>>930635
some more info. here's the connect block for the vfd.
>>
Anonymous 2016-01-16 00:26:34 Post No.930641
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Anonymous 2016-01-16 00:26:34 Post No.930641 [Report]
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>>930639
it's missing some opto-isolators, but most are there. might have to look more closely at that, as i think that the missing isolators are for the limits.
>>
Anonymous 2016-01-17 03:30:25 Post No.931176
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Anonymous 2016-01-17 03:30:25 Post No.931176 [Report]
Been thinking about buying one. I have seen several things on here about some of the boards being shit.
I found this UK site that ships to the US. If I do buy one, I think I may end up buying boards from these folks.
These can be run off a lap top also.
http://www.planet-cnc.com/index.php?page=home
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Thread images: 3
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