Setting up Dual PowerLab 8x2 - HeliFreak
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Old 12-19-2016, 02:06 AM   #1 (permalink)
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Default Setting up Dual PowerLab 8x2

I just received a new DPL 8 and I have a question on initial set up.

In the "power supply" set up screen you need to enter max PSU amps that the charger will draw.

The default was 40A for CH1 and 25A for CH2

I'm running a single Meanwell RSP 2000-24 which is appx 60A @ 110v AC

I know I can't max out the PSU & DPL on my 110v 15A house circuit but probably won't come close anyway since I don't usually charge fast at home.

Therefore, I'm not sure if I should set max at 25A on each channel or does the DPL divide the figure automatically so I would just enter 50A on both channels?

I will primarily be charging pairs of 6s 5000mAh packs (mounted on a battery tray) separately with one pack on each channel. I will probably be charging 5-10A on each channel so 20A total (max).
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Old 12-19-2016, 06:43 AM   #2 (permalink)
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I believe the two sides of a Dual Powerlab are completely independent, so there is no way of one side knowing how hard the other side is working and what the total draw is between them.
Also, I think the max AMPs you can set per channel on the charger is 40A? Not certain on that though.

When the BUMP controller first came out, there was talk that one of the future features would be load balancing any chargers it was connected to. It can already display the total power being used by all connected chargers. I don't think the ability to actually limit the charge rate between the chargers on the fly to the output capacity of your power supply is there yet though.......

RevoKelly? Any timeline on when this feature might be available?
Thanks.

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Old 12-19-2016, 07:02 AM   #3 (permalink)
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If it help.....I have a meanwell 2000-48 with a D PL8, so yes the PS is the limiting factor. I also have the bump controller in the setup.

I set mine to 40 amps each side.....so I can use either side to my max setup, if i need lot of battery I just load one side read my amps pull and then figure out how much I can pull from the other side.....normally not a problem.

I could used a bigger box with another PS but then I would also need another generator at the field.....so way too much weight to lift around...
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Old 12-19-2016, 09:27 AM   #4 (permalink)
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Quote:
Originally Posted by KevinB View Post
I believe the two sides of a Dual Powerlab are completely independent, so there is no way of one side knowing how hard the other side is working and what the total draw is between them.
Also, I think the max AMPs you can set per channel on the charger is 40A? Not certain on that though.

When the BUMP controller first came out, there was talk that one of the future features would be load balancing any chargers it was connected to. It can already display the total power being used by all connected chargers. I don't think the ability to actually limit the charge rate between the chargers on the fly to the output capacity of your power supply is there yet though.......

RevoKelly? Any timeline on when this feature might be available?
Thanks.

KevinB
Thats correct - current behavior is still a per-charger amps limit, so you'll want either the power supply settings in the Bump to divide the power across chargers, or you'll need to manually keep any eye on how much power you are using to ensure you don't overload your supply. For example, the BumpCharger cases use a 75A supply to power a pair of PLs, so the power supply settings in the Bump is set to 37A max amps (per-charger) to prevent overloading. This does artificially limit the output a bit (compared to 40A for DPL8), but it avoids you needing to manually keep an eye on it.

Having the Bump automatically control power supply load across all connected chargers (and their power supplies) is scheduled for spring 2017 timeframe - basically next in queue after the Apple/Windows CCS app.
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Old 12-19-2016, 12:13 PM   #5 (permalink)
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Quote:
Originally Posted by RevoKelly View Post
Having the Bump automatically control power supply load across all connected chargers (and their power supplies) is scheduled for spring 2017 timeframe - basically next in queue after the Apple/Windows CCS app.
That will be sweat....
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Old 12-19-2016, 12:36 PM   #6 (permalink)
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Awesome! Thanks Kelly.

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Old 12-19-2016, 06:47 PM   #7 (permalink)
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Thanks guys.

I will set each side to 25 or 28A and look forward to the Bump Automatic Load Control.
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