Issue with pwm fan output
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Hi Jens
Yes you can replace the PMV40UN2 mosfet but since you are not using fan 2 then 1 line of gcode will allow you to use fan2 in place of fan 0, this is probably a lot easier than replacing the mosfet.
If you de solder fan 2 mosfet and use that to replace fan 0 it is fine to leave the fan2 location empty.
Cheers
Tony
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Thanks for a fast answer Tony (dident see it at first)
add F2 to the tool 0 and im back in business
Im so impressed with the duet board
i killed my MSK Sbase last week i got this a few days ago and i just love it
will never go back -
Thanks again Tony
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Hello again
i have received the PMV40UN2 (i think. my have nr 72 on top the original have 64)
i have only a normal solder set so it was a pain to get it in place and i may have damage it
i only get 14v on a 24v system and its 14v alwaysdid i damage the PMV40UN2 or is it wrong version
or something else i need to knowThis is the one i got
http://www.ebay.com/itm/172590108195?_trksid=p2060353.m2749.l2648&ssPageName=STRK%3AMEBIDX%3AITThank you
Regards
Jens -
That's the right mosfet. Small MOSFETs are quite easily damaged by static charge until they have been connected in place.
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ok i have one more i will test that one
Thanks for the help -
haha they are relay small
i got 3 of them and two of them jumped away in the installing processi also think i damaged the solder pads when removing the first one
so its extra hard to get it in placei need to order 3 more and make a last try
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I don't advise trying to remove those mosfets without hot air desoldering equipment, because you need to heat all 3 pads at once.
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well im learning by doing
i did damage the 2 lower pads they are goneso i guess i have to live with it ?
or can i connect them to something else ?this makes my magnet project a bit harder
no i only have 2 fan ports and them are needed to the fans
also the heater ports is all out
can i use a external board/mosfet to control the magnet on/off(24v)
or do i need to get a Duet2/5 board ?a hot air gun is on top of my shopping list now
Thanks for the help
Regards
Jens -
If you are looking for an SMD hot air reworking station, the 852D+ isn't bad for a budget unit.
If you look at the Duet WiFi schematic (see https://duet3d.com/wiki/Source_Files for links) then you can see which components the fan mosfet is connected to. You could glue the new mosfet dead bug style to the board and then use wires to connect it.
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thank dc42
been looking at the drawings and this looks correct to me
see pic
https://www.dropbox.com/s/5hx8kb6vppcssvw/likethis2.jpg?dl=0Please let me know what you think
Thank you
regards
Jens -
That looks correct to me too.
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Thank you !
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It works yeah!
thanks for the helpit's not pretty but it works
https://www.dropbox.com/s/zljrxege31854qq/2017-04-26%2018.55.36.jpg?dl=0Thanks again for the help