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Old Feb 09, 2014, 08:33 PM
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Load share pin for parallel wiring info on this supply would be too cool...if I cant find it I will just experiment..there are only 4 pins left after resistor or jumper is placed so it cant be too hard to find..lol
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Old Feb 09, 2014, 10:24 PM
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Originally Posted by jerseyboy View Post
Load share pin for parallel wiring info on this supply would be too cool...if I cant find it I will just experiment..there are only 4 pins left after resistor or jumper is placed so it cant be too hard to find..lol
Try searching....then asking if nothing is found in this thread. Be sure to identify the PS you have, as this thread covers many:
http://www.rcgroups.com/forums/showthread.php?t=1005309
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Old Feb 11, 2014, 08:43 AM
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Just a heads up. Still using this psu with a simple jumper rather than resistor without any issues. I use it for both my rc charging and my 3d printer.
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Old Feb 19, 2014, 05:44 PM
nom
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Hey Sky Captain, care to share that diagram?
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Old Feb 19, 2014, 09:11 PM
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It's actually very simple. Just put a jumper from pin 4 (green) and 8 (red) to slow the fan down. For some reason my HP power supply had pins 6 and 9 soldered together.
I bought a jumper at my local Micro Center. That way they wouldn't be soldered together in case I made a mistake.
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Old Feb 20, 2014, 11:45 AM
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CNC cut power supply rack containing four 12V 75A/100A DPS-1200FB server power supplies.

Slots in rack securely hold PSs while offering significant air circulation for cooling.
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Old Feb 21, 2014, 12:24 PM
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Will they handle series chaining like that to get 48v at 100amp?
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Old Feb 21, 2014, 05:19 PM
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Will they handle series chaining like that to get 48v at 100amp?
The real issue for many of us (in the USA), is AC mains power circuit limitations. Typical 120V circuits are rated for 15A, as are standard 120V outlets/plugs.

Using 220/240V AC mains power allows drawing enough current to provide full 2000W output from an iCharger 4010Duo. This charger draws 2200+W from these supplies at full charging capacity.

Full charge power for a 4010Duo at 48V input at about 50A. Half of the rated maximum output for these PSs running on 220/240V input power. I have little interest in attempting to drive these supplies to maximum rated output current.

I use a rack containing three PSs for a 1000W output iCharger 3010B. This model doesn't support 48V input.
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Old Mar 23, 2014, 07:46 PM
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Four slot power supply rack CNC design template available on-line at :

http://www.instructables.com/id/CNC-...or-RC-Charger/

This design secures four DPS-1200FB supplies with end mounted DC output binding posts in an easy to use configuration. Rack allows air circulation for cooling and easy temp probe access to each PS.
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Old Jul 21, 2014, 01:01 PM
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....eBay Links Updated In First Post
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Old Jul 23, 2014, 01:18 PM
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Mine is still running just fine with just the jumper and no resistor fyi.
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Old Jul 25, 2014, 11:27 AM
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Was anyone able to find the parallel load sharing pins on the DPS1200?
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Old Sep 23, 2014, 05:49 PM
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Ok so i have read through tons of pages about the dps-1200fb power supplies and saw lots of into about running them in series but no one replies to people asking about running them in parallel. No one says which pin is the load sharing pin and when the pins from however many psus are hooked up how do you link them together?? Pos to pos and neg to neg?? I only want to hook 2 up in parallel but i dont want to max out one psu while the second only has a couple hundred wats being used when i can split the usage over both evenly so if someone can post some info please do so cause im at a loss.
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Old Sep 26, 2014, 05:20 PM
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Originally Posted by DemoMan2502 View Post
Was anyone able to find the parallel load sharing pins on the DPS1200?
Ok since no one wants to share this info i decided to risk my psus to figure it out and it seems like i found it. I think its pin #34 and when connected the voltages match up and the load looks to be shared. I tried with both connected to a surge protector and that was connected to a meter on the wall which showed about 200w which is what i put on the psus and when i took one off the power strip and powered one on the meter read 200w about but when i hooked the other one up to the meter and also powered the second one on without it being on the meter the meter read 100w so the other half is on the second psu. Sounds about right to me and it looks like everything is good so far. I will try with a higher load soon and if ne thing goes wrong i will update this post but with the test load it seemed fine.
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