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Push/Pull Fan Configuration w/FC Touch Controller - Question - Page 5

post #41 of 46
That hub uses PWM to control 3-pin fans, probably by pulsing your fans like a Lamptron does.. Neat idea but....PWM forces you to control your fans based on your CPU or GPU temps.
Not the best way to control your rad fans.
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post #42 of 46
Thread Starter 
Quote:
Originally Posted by PepeLapiu View Post

That hub uses PWM to control 3-pin fans, probably by pulsing your fans like a Lamptron does.. Neat idea but....PWM forces you to control your fans based on your CPU or GPU temps.
Not the best way to control your rad fans.

Yeah, I figured that, but I wanted to see what it looked like.. Thanks for the heads up Pepe!
post #43 of 46
Here's another alternative you might want to consider.

The NZXT Grid is a 30watt rated 10 port 3-pin fan hub. It has no capacitor or anything like that, like the modmytoys PCB does, BUT it does also have the tach (rpm) signal active to all 10 ports instead of just one. No idea why so many of these hubs do that, but that was really easy to fix, and that made it ideal imho for use with a fan controller. Rather than reinvent the wheel, here's my post from the NZXT grid thread ...
Quote:
Originally Posted by Unicr0nhunter View Post

Sorry for the necro post, but I've been googling and am not seeing this anywhere.

Is the rpm (tach) signal wire split to all 10 ports in this NZXT hub?

If it is then this is basically useless to use with most fan controllers because the rpm speed inputs from all of the fans will corrupt the signal and the fan speed will not be correctly reported to the controller. Even cheap 3-pin fan splitter cables will only have all three wires going to one of the fan plugs, and just the 12v and ground to the rest.

If, as it should be, only one of the 3-pin outputs has the rpm signal wire, then which port is it? Unless you are going to connect fans to all 10 ports this is need-to-know info, but looking at it and the manual I'm not seeing it anywhere.

I bought two of these thinking they would be useful, but now I'm having second thoughts. I definitely don't want to have to cut the rpm signal wire on all the fans but one just to be able to use this hub with my fan controller.

EDIT:

I found my multimeter and found out for sure that all 3 inputs are output to all 3 pins on all 10 of the ports. sozo.gif

That's a HUGE FAIL on NZXT's part imho, but what could be done about it ... thinking.gif

Soooo, I took the two screws out and removed the PCB from its cover and took a small pair of wire cutters and snipped the rpm prong from all but one of the 10 output ports. biggrin.gif

NZXT Grid RPM Signal Mod

Here's an 'after' pic of one of my Grid's with 6 fans from my 360 monsta attached to it ...

NZXT Grid 10 port hub & drain port

Also worth mentioning, as you can see from the images above, the NZXT Grid has two white LEDs that light up the three small slits on its cover. It gives it a pretty nice look even if it is something that's most likely going to be mounted out of view. The cover also helps keep any unused port's prongs out of the way from accidentally shorting anything out.
Edited by Unicr0nhunter - 3/11/14 at 7:45am
post #44 of 46
Thread Starter 
That does look nice an clean... I've already ordered those other ones though.. darnit.. Well, I'll make it work. I can just put the PCBs in a hidden away spot. I should be fine. Thanks for the info though!! Always something to aspire to, I guess... c)
post #45 of 46
Yeah, it does look far better than other alternatives.
I wish I had known about that NZXT Grid before.
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Dark Vader
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post #46 of 46
Looks just like the Phanteks aftermarket one..... any day now, shud see it on their site
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911 Carrera
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Intel w/ EK Supremacy Cooling Block - Clean P... Asus Maximus VI Formula 2 x Asus GTX 780 DCII w/ EK Full Cover Blocks a... Mushkin Red Line Ridgeback 2 x 8GB DDR302400 10... 
Hard DriveHard DriveOptical DriveCooling
2 x SAMSUNG 840 Pro Series MZ-7PD256BW 2.5" 256GB (2 x Seagate ST2000DX001 2TB 7200 RPM 64MB Cach... Asus BW-12B1ST/BLK/G/AS Blue Ray Writer 1 x Alphacool NexXxoS XT45-420 + 1 x Alphacool ... 
CoolingCoolingCoolingCooling
1 x Swiftech 35x2 w/ Heatsink and NB Fan EK -MultiOption RES X3 250 White Acetal Reservoir 5 x PH-F140SP_BK_BLED + 5 x PH-F140SP_BK E22 Rigid 10/12 Acrylic Tubing and Bitspower Ma... 
CoolingOSMonitorKeyboard
2 x Reeven Six Eyes Fan Controller Windows 7 64 Bit Professional OEM ASUS VG248QE Black 23" 144 Hz Monitor Logitech G19s 920-004985 
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