PWLED.COM BLOG

led strips,led spots,led bulb,led tube light,led panel

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LED DMX Decoder,3 Channel,4A

The 12VDC RGB LED DMX Decoder can run on stand alone mode or under DMX control. It receives standard DMX-512 digital control signals and converts to PWM (pulse width modulation) signals for driving LEDs. Connect to any DMX digital console to achieve dimming and and various color changing patterns.

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Product Specifications

Applications:  Neccessary conversions of DMX to PWM signals for driving LEDs
Function: Control 3 channel 12VDC LED products or any one RGB LED Light Bar or Strip using DMX console or standalone mode with onboard DIP switches
Operating Voltage:   12~24 Volts DC (use only 12VDC power with 12VDC LEDs)
Connection Mode:   Common Anode (+)
Output:  Three CMOS output RGB
Maximum Load Current:   4 Amps/channel (12 Amps total)
Output Power:  144 Watts
Overall Size:  (L)166 X (W)67 X (H)41 mm
Control Method:  DMX512 RJ45 / DMX512 3-pin XLR / Standalone DIP switches
Standalone Modes: 9 total (7 static and 2 dynamic) see desc. below
Operating Temperature: -25~60°C

Control Functions

1.) Standalone mode is activated when FUN(10)=ON, the following functions can be set using address codes DIP switch

Coding Switch Function
switch 1-9=OFF OFF
Switch 1=ON Red
Switch 2=ON Green
Switch 3=ON Blue
Switch 4=ON Yellow
Switch 5=ON Purple
Switch 6=ON Cyan
Switch 7=ON White
Switch 8=ON Seven Color Change Instant (speed function activated – see coding below)
Switch 9=ON Seven Color Change Fading (speed function activated – see coding below)
Coding Switch Speed Function (When 8 or 9=ON and 10=ON)
Switch 1-7=OFF Slowest Color Change Mode
Switch 1=ON 1 Step Faster
Switch 2=ON 2 Steps Faster
….. …..
Switch 7=ON Fastest Color Change Mode

2.) DMX signal can be received when FUN(10)=OFF, along with using either the DMX512 RJ45 input/output interface or the DMX512 3-pin XLR input/output interface

Typical Wiring Schematic

 

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110V/220V led strip VS 12V/24V led strip lights

LED strip is very hot all over the world. It mains included high voltage led strip and low voltage led strip:

1) 110V or 220V LED strip(High voltage strip)

2) 12V or 24V led strip

smd-3528-neon-lamp-multicolour    images

 

What is the difference?

1, Input voltage

High voltage led strip can be plug in wall socket directly, low voltage need 120v/220v to 12v/24 voltage converter.

2, cutting

High voltage led strip cut by every one meter or 0.5 meter, low voltage led strip cut by every led or 3 leds.

3, installation

High voltage led strip just use mounting clips and screws, low voltage led strip use double side tape, mounting clips and screws.

4, safety

Low voltage led strip is more safe. It can be touch when powered on, as to high voltage led strip, people must powered off when you want to touch.

5, running length

Running length is high voltage advantage, they can run 100M Max. continue, but low voltage just can run 5M or 10M max.

6, waterproof

All high voltage led strip is waterproof, but low voltage have IP22,IP65 and IP68 waterproof rate difference.

7, control

For RGB led strip, high voltage it is hard to control the color change, but low voltage will be easy more by general controller, DMX system, DALI system, amplifier controller, etc…..

8, brightness

Because high voltage led strip’s silicon protection cover, the lumen will be discounted.

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Calculate the suitable transformer for RGB LED Strip

The power supply you need will depend on the TYPE of the LED flex strip light you are using for your project. The correct power supply needed for your LED lighting project is easy to calculate.

Step 1 Which LED strip light brand will you use?

The first step is to choose which flexible LED strip light you are going to use for your project.

Step 2- What length of LED strip light do you need ?

The power source needed depends on the length that you cut the LED strip. Let’s use the 150 LED RGB strip light as an example: Each meter uses 7.2 watts. Add the amount of lenght together, multiply by 7.2, and you have the wattage used. You should add 20% more room in the power supply so take the wattage, and divide by .8 to get the power supply needed.

Example. 8 meter of RGB LED strip light. 8 X 7.2 watts = 57.6 total watts used. 57.6/.8= 72 watts. You need a power supply that will handle 72 watts.

RGB strip

 

Our website of the led strip:http://www.pwled.com/e_product.php?showlei=&Leiid=83

 

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Price different between the LED lights

In recent years,the led market is very fast developing.However, the price of all kinds of LED lights are have some distance,and the quality is different too.

Now the led light is nearly has the same market as the energy saving lamp.And more and more customers will buy LED light more than the energy saving lamp.LED is new technology,compared with energy saving lamp,the light is better,more power and longer lifespan. For example,the brightness of a  20-watt LED lights will better than 40-watt energy-saving lamps,and power consumption can save more than half.

Each led company will have different led brand chips for selling,and also there is a big difference in price between different products.For example,the price of the 5W LED spotlight, the ranging from 2USD to 8 USD, some even up to more than 13USD.Why there is some big different?The reason is quality,material,the light effect and life span are different.When you compared the led spots,you will feel the expensive one will much heavy,the led driver is not the same too,you also can see the different on the appearance.And the light of the expensive spot will much soft and with good lighting.About the cheap spot,you will find the light dim after a half year using.

But now almost all the led suppliers said the lifespan of the led lights are 30000-50000hours,but when do the guarantee is only 1-3years.The lifespan of LED lighting seems to be a “concept” for the customers.It is hard for the customers to choose a good led product.But pls trust us,we will be your reliable led partner.

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2400K and 2700K flexible LED strip

Recently,most of our customers like the 2400K or 2700K led strips very much.Because the color will be much warmer ^_^

We are the led strip factory,so the cost of our flexible led strip is very good.We have waterproof led strip,IP65 led strip,IP68 led strip,colored strips and and nonwaterproof strip.Do you also like the 2700K strip and the 2400K strip?

2700K led strip

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LED Panel–new led products in the market

The installation of LED panel

21323232

 

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The idea of the led panel is very simple. We light up the edge of light transmitting acrylic which carries the light into the panel.

Very good for office use and shopping center use.

 

Energy saved up to 50%. high brightness,even lighting output

4000-4500K(Natural white)
5500-6500K (Cold white)
RGB COLOR OPTIONAL OR CUSTOMIZED

323223

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Hot sell led spots—5W GU10

Here we want to recommend a hot sale 5W GU10 spot to you.

smd spot gu10                     LG Packing

 

This spot is with big angle:90deg.It is very good for lighting.We sell this 5W GU10 in big quantity.It is our best selling led GU10.The price is very good too.We can do it in dimmable GU10,the price is the same as nondimmable 5W GU10.Good packing for selling,we sure your customers will like it very much.We still can do in MR16 5W spot,E27 5W led spot.There must be the one suitable for you very much.

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PWLED-RGB systems

White light can be produced by mixing differently colored light, the most common method is to use red, green and blue (RGB).
Hence the method is called multi-colored white LEDs (sometimes referred to as RGB LEDs). Because its mechanism is involved
with electro-optical devices to control the blending and diffusion of different colors, this approach is little used to produce white
lighting. Nevertheless this method is particularly interesting in many applications because of the flexibilityof mixing different colors,
[55] and, in principle,this mechanism also has higher quantum efficiency in producing white.

There are several types of multi-colored white LEDs: di-, tri-, and tetrachromatic white LEDs. Several key factors that play among these different approaches include color stability, color rendering capability, and luminous efficacy. Often higher efficiency will mean lower color rendering, presenting a trade off between the luminous efficiency and color rendering. For example, the dichromatic white LEDs have the best luminous efficacy (120 lm/W), but the lowest color rendering capability. Conversely, although tetrachromatic white LEDs have excellent color rendering capability, they often have poor luminous efficiency. Trichromatic white LEDs are in between, having both good luminous efficacy (>70 lm/W) and fair color rendering capability.

What multi-color LEDs offer is not merely another solution of producing white light, but is a whole new technique of producing light of different colors. In principle, most perceivable colors can be produced by mixing different amounts of three primary colors, and this makes it possible to produce precise dynamic color control as well. As more effort is devoted to investigating this technique, multi-color LEDs should have profound influence on the fundamental method which we use to produce and control light color. However, before this type of LED can truly play a role on the market, several technical problems need to be solved. These certainly include that this type of LED’s emission power decays exponentially with increasing temperature,[56] resulting in a substantial change in color stability. Such problems are not acceptable for industrial usage. Therefore, many new package designs aimed at solving this problem have been proposed and their results are now being reproduced by researchers and scientists.

-www.pwled.com