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Part Cooling Fan: How to Connect???

Posted by chiques

chiques

Part Cooling Fan: How to Connect???
December 30, 2018 12:57AM

Registered: 5 years ago
Posts: 18

I'm using a Ramps 1.4 board with Marlin 1.1.9. I have a 12V fan mounted on my extruder. Which port do I connect this fan to so the firmware can control it? Also, what variable controls it?

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MKSA

Re: Part Cooling Fan: How to Connect???
December 30, 2018 01:05AM

Registered: 6 years ago
Posts: 1,007

How about reading the doc then eventually ask in the proper place ?

"A comical prototype doesn't mean a dumb idea is possible" (Thunderf00t)

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chiques

Re: Part Cooling Fan: How to Connect???
December 30, 2018 01:09AM

Registered: 5 years ago
Posts: 18

Quote
MKSA
How about reading the doc then eventually ask in the proper place ?

I did and this sounds like a personal attack:

Quote
Personal Attacks In order to maintain a positive atmosphere, no personal attacks or insults will be tolerated. While discussions may become heated, it is not an excuse to resort to attacks or insults. Moderators and or Admins will remove and warn users at their discretion.

I'll be glad to post in the appropriate forum if you simply corrected me.

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Dust

Re: Part Cooling Fan: How to Connect???
December 30, 2018 01:10AM

Admin
Registered: 13 years ago
Posts: 7,000

D9 is the normal port for the fan.

Its controlled with M106/M107

This is normally auto generated in your slicer.

This should not be confused with the hot end cooling fan, this should always be on on a ramps (as there is no mosfet for it, you would need to add one)

Ramps section of forum: [reprap.org]
Ramps documentation: [reprap.org]

Edited 1 time(s). Last edit at 12/30/2018 01:14AM by Dust.

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chiques

Re: Part Cooling Fan: How to Connect???
December 30, 2018 01:12AM

Registered: 5 years ago
Posts: 18

Quote
Dust
D9 is the normal port for the fan.

Its controlled with M106/M107

This is normally auto generated in your slicer.

This should not be confused with the hot end cooling fan, this should always be on on a ramps (as there is no mosfet for it, you would need to add one)

OK, this makes sense since those ports are 12V. I was a bit confused since that port is labeled "Heat 2 , 9" on the PCB.

Thank you.