REALSTYLES
Member
Looking good I wish I used reflectors instead of lenses
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REALSTYLES DIY CXB3590 TUTORIAL
- Thread starter REALSTYLES
- Start date
neverforget4/20
Member
Hey bro,
I also run 72v., cxb3590 @700mA (3500k,cd bin). I havent been using lenses or reflectors. Im researching and considering adding reflectors.
What height from canopy are your cobs? Did you try running the rig without reflectors?
Thank you
Nice, Sinberto. It looks like you are going to have plenty of light for the area and it will be very efficient too.
I think you are going to like the way that much LED light is going to grow your plants.
I agree. I never liked lenses but they do protect the COBs. Now that Jerry has reflectors for $0.80 per reflector, you can buy a bunch of reflectors and gradually replace your lenses over time without breaking the bank. The reflectors concentrate the light and provide some protection to the COBs without reducing the amount of light transmitted.
I run some 72v, cxb3590 (3000k) @ 1200mA and others at 500mA.
Obviously the ones run at 1200mA are brighter and run hotter.
I plan to run two 72v, cxb3590 @ 1050mA/driver and four 36v, cxb3590 @ 1050mA/driver. I picked up six Meanwell HLG-120H-C105A drivers at a good price a while back. I have the COBs. It is just getting around to building the lights, but there is no hurry, since I have already have more than enough lights to light my little area.
I can always dial the drivers down to 700mA since the drivers are dimmable.
I have read where Realstyles dims his drivers down to 350MA during the summer in order to reduce heat and increase efficiency.
I think it is better to buy a driver that has higher amps than you need and dim it down to where you want to be because you can always dim it down but if you are at maximum, you cannot ramp it up.
There may be times when you want to sacrifice a bit of efficiency in order to get the maximum light to the plants, say when the buds are just starting to stack.
Ttystikk
Member
I don't have reflectors, but I'm running two otherwise identical modules with 4 CXB3590 @50W, one with lenses and the other bare. So far I'm much happier with the response to the unit with lenses.
neverforget4/20
Member
How much clearance are you providing T? Are lensed and unlensed at the same height?
I sometimes put the magnetic lenses on 80 watt vero cobs but i leave 50 w 3590s bare. What responses have you observed with youplants?
Thanks man
https://www.icmag.com/ic/showpost.php?p=7300931&postcount=686
i explained this over here in my thread recently
you can also use the 0-10v dimming with a 10k pot then you would rig it in paralel to your fan driver
feel free to drop in
I think I am understanding the concept quite well now. Once you read something a lot of times it tends to stick lol.
My question is, I currently have (4) four CXB-3590 6500K 36V to a single HLG-185H-C1400B and was trying to figure out how I could rig this 10K pot to my fan circuit.
I also have (4) four 140mm fans I intend to run off a 9V 1A PSU to cool the 5.88" x 40" bar. My plan is to dim the COB's along with the fans at the same rate.
Also, I am looking to get the 240H-C1750B so each of the COB's can get to 62W for a couple of weeks during flower. Would I need a different size POT for this larger driver?
Thank you for your help -you've been essential to me taking the plunge with COBs.
-DZ
Roasty McToasty
Member
I just finished a 4 cob 3590 setup with 1750B driver. I used a 100k pot and all is well. Thats a nice current for 4 cxb3590's. Good luck.
Peace, Roast.
Check the amperage required on your fan as I know the 120x38's generally run higher than 120x25's, you might be pushing that PSU a bit. Rando 120x25 fan I have here is .28a, while 120x38 server grade fan is 1.6a (screaming loud Delta fan). But also keep in mind that the fan rating is probably 12v on the label, subtract 25% from their amp rating for your 9v.
Unless your fans are so loud they annoy you, I'd almost advise against worrying about controlling their speed. I like keeping things as cool as possible, safer for all the electronics but that's me and more personal preference.
Thanks for the tip on the 100K Pot. I'm going to wire in a 10K resistor for the low limiter and 14A fuse just in case one of these drivers decides to show its Chinese colors.
The fans I'm using are:
Rosewill RAWB-131456 - 140mm They are rated at 2.64W a piece @ 0.22A for 12V
So looks like I'll be running them at 0.165A/ea or .66A total for the 4 fans in parallel @ 9V. You're right though and now that I've given it sufficient thought, I won't even bother with putting them on a controller.. I haven't started wiring up everything yet but will be able to this upcoming week.
The idea is to have 5.88 x 40 bar sporting 4 CXB3590's with dual T5 HO tubes. That way I can supplement with different spectrum T5's or even add in some UVB for late flowering.
Thanks again for all the help guys!!
-DZ
AvidLerner
Member
How much under powered at the full 700ma? About 50% right?
And which is better to use: the Meanwell HLG-185H-C700A or the Meanwell HLG-185H-C700B? What's the difference?
Is it possibly better for each cob to have its own driver?
http://m.alibaba.com/product/434631183/Constant-Current-Dimmable-LED-Driver-50W.html?s=p
I know that may be a silly question but I'm a newb at electricity. I also know it might be more of a pain to dim each led individually. Or am I onto something? Lol
(Was thinking about taking a class so that this would like making banana bread for me.{I.e. simple}, because I know very little about elec.)
Do you have a Link to where you got those cobs, or a link to reputable website with a decent deal on 8 of them?
Are these the right cobs or do I need cxb's?
http://www.digikey.com/scripts/DkSearch/dksus.dll?Detail&itemSeq=175021535&uq=635711447140870646What do they have if any, for UV? And If I wanted to add in 2-4 LEDs of UV how would I go about that?
What are the stats on the fan, so I can get an equivalent if that specific one is hard for me to find.?
And it was hard for me to see in the vid, where did the fan get wired into?
And please as many links as possible because my rough estimates add up to about $1000 and I might be forgetting some stuff..
Sorry for the question blast but I'm legitimately doing this ASAP. Please take your time with these questions I know there is a lot there.lol
Thanks again for everything bro! Mad respect!
I'm gonna go through and give you rep on every single post...lol
Why is this down to 3 stars?
One last question if I were to start with one of these and then design a 1000 watter,(theoretically) would none of these work?:http://www.bravoelectro.com/series-...sbtLvxA5hal4xsNY06jFQFunkCV9vw1cSbBoC40jw_wcB
I could still throw a dimmer in there somewhere right?
A-internal dimmer B-external dimmer with 100k pot. try Digi-key for the COB's good price and quality. ->http://www.digikey.com/product-search/en?keywords=cxa3590
LED driver ->http://www.ebay.com/itm/390696103437?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649
Ac/DC power supply/Driver ->http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_2189290_-1
-5.88" profile, 23" length heatsink -> heatsinksusa.com
cooling Fan ->http://www.amazon.com/Thermaltake-P...=UTF8&qid=1418843832&sr=1-5&keywords=20mm+fan
get a ac/dc power supply for the fan from ebay.
Use self taping screw for the build make your life easier too. Hope this helps.
Each COB can be wired to an independent driver. I am mounting two CXA3590 36V 150W, 3500k - warm white, for 300W with two HLG-185H-C1050A drivers at $57/ea and two led drivers at $8/ea.
good luck
Do a bit more reading to understand what you're building then build to what you need instead of starting with, "I need 150w". Once you understand the process of using/wiring COBs it becomes much easier to design for what YOU need instead of someone trying to spoon feed a build to you. I think this is the essence of DIY projects, you get to learn the HOW in what it is you're building.
Plus someone can say, "Buy X, Y, Z parts" and without understanding why you're using those parts, you could cause damage to those things you just paid good money for.
Doubtful this was the 'answer' you want but I think an answer if you want to be successful. Lookup wiring in series/parallel, understand the relation between voltage, wattage and amperage and learn some basics for electronics. Then you not only come out with a nice, new LED panel but you've also pushed your own knowledge further along. I'll say this, I didn't save money by going DIY over some mass produced LED unit but I do feel I got more for my money.
Plus someone can say, "Buy X, Y, Z parts" and without understanding why you're using those parts, you could cause damage to those things you just paid good money for.
Doubtful this was the 'answer' you want but I think an answer if you want to be successful. Lookup wiring in series/parallel, understand the relation between voltage, wattage and amperage and learn some basics for electronics. Then you not only come out with a nice, new LED panel but you've also pushed your own knowledge further along. I'll say this, I didn't save money by going DIY over some mass produced LED unit but I do feel I got more for my money.
thebasehead
New member
Micro CXB3590 ?
Micro CXB3590 ?
Hi guys
I'm kind of new here
Been growing for 3 years with the old 65W version of the Hans panel
( http://www.bonsaihero.com/index.php/ledgrow-led-panel-70-w )
its nice and i get 60 grams + - from it but....
I would like to replace it with something better
I grow in a very small "tent " under a table
The size is W12-L20-H40 (inches) . or W30-L50-H100(centimeters)
I love the idea of running the CXB3590 at low power to get low temperatures
I was thinking of running 2 CXB's
What driver would you recommend ?
if i want to run them at 700ma
Or .....am i exaggerating ?
And should go for one CXB in that small space ?
What driver would you get in that case ?
Thanks
Micro CXB3590 ?
Hi guys
I'm kind of new here
Been growing for 3 years with the old 65W version of the Hans panel
( http://www.bonsaihero.com/index.php/ledgrow-led-panel-70-w )
its nice and i get 60 grams + - from it but....
I would like to replace it with something better
I grow in a very small "tent " under a table
The size is W12-L20-H40 (inches) . or W30-L50-H100(centimeters)
I love the idea of running the CXB3590 at low power to get low temperatures
I was thinking of running 2 CXB's
What driver would you recommend ?
if i want to run them at 700ma
Or .....am i exaggerating ?
And should go for one CXB in that small space ?
What driver would you get in that case ?
Thanks
AvidLerner
Member
2 -CXA3590 36V, 5000K, cost $120 from Diggi-Key. Two 50W drivers from here - >http://www.ebay.com/itm/10W-20W-30W...909d257&pid=100005&rk=3&rkt=6&sd=261889756872 and a 12" x 5.88 chunk of extruded aluminum heat sink, a few tols, some, wire and chip lok holders, a little drilling and you are good to go. peace.
AvidLerner
Member
HLG-120H-C1050 for 2 CXB3590, 72V COB's
AvidLerner
Member
