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  #11  
Old 09-04-20, 06:56 PM
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Quote:
Originally Posted by tgrech View Post
Should you set the minimum power to 12V? Is it not reducing both duty cycle and voltage if not? Not too familiar with that software.

Also does that "speed control" setting offer closed-loop loop functionality using the tach?
I tried that and it put the fans at 100%, think that's just to set a ratio between fan and controller.

Not sure what you meant by the speed control, however, if I set it anything other than PWM the fans go to 100%. Would imagine this is because they are PWM fans.

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  #12  
Old 09-04-20, 07:09 PM
Warchild Warchild is offline
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Two places to configure this.

1. As you have done

2. In Controllers (make sure controller is also 100%)

Here is mine. So if your contrller is not at full power. It doesnt matter how much you set it too in the fan setup, it would be the full 100% PWM



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  #13  
Old 09-04-20, 07:15 PM
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Quote:
Originally Posted by Warchild View Post
Two places to configure this.

1. As you have done

2. In Controllers (make sure controller is also 100%)

Here is mine. So if your contrller is not at full power. It doesnt matter how much you set it too in the fan setup, it would be the full 100% PWM
I actually have these fans set-up on a curve using the controller.



But even if I use a single point controller the % I set the fan at doesn't seem to correlate with the RPM.

So at 85% my 2000rpm fans are only running at 1300rpm.

If I change the power to 100% as you suggest the fan runs at 100% regardless of PWM setting.
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  #14  
Old 09-04-20, 08:23 PM
Warchild Warchild is offline
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Try using same controller parameters I do and check your RPMs then.

I have a tolerance of about 10% which is a little on the high side, but not as bad as yours. e.g. 100% = 2400 for me

50% im reading 1150 +/- 10%
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  #15  
Old 09-04-20, 09:12 PM
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Quote:
Originally Posted by Warchild View Post
Try using same controller parameters I do and check your RPMs then.

I have a tolerance of about 10% which is a little on the high side, but not as bad as yours. e.g. 100% = 2400 for me

50% im reading 1150 +/- 10%
Where do you mean? If I enter 100% under the controller menu it runs the fans at 100%.
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  #16  
Old 09-04-20, 09:22 PM
Warchild Warchild is offline
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Add a new preset value controller with power at 100%, then map your fans to that one instead of your curve controller
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  #17  
Old 09-04-20, 09:28 PM
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Quote:
Originally Posted by Warchild View Post
Add a new preset value controller with power at 100%, then map your fans to that one instead of your curve controller
That just runs the fan at 100%. Or whatever the max value of the fan I set to under the "Fans" section. It doesn't correct the % discrepancy unfortunately.
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  #18  
Old 09-04-20, 09:44 PM
Warchild Warchild is offline
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Quote:
Originally Posted by trawetSluaP View Post
That just runs the fan at 100%. Or whatever the max value of the fan I set to under the "Fans" section. It doesn't correct the % discrepancy unfortunately.
What fans are they? I am not having your issue.
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