DC5V-24V DMX512 Constant Voltage Decoder BC-803
The decoder is designed via advanced microchip technology to convert the universal standard DMX512/1990 signal into most advanced PWM (pulse-width-modulation) digital driving signal, it allows the user to choose 1~3 output channel, 256-level brightness control, max 512 output channels. This compact decoder connects to the light console, analog device and various Led terminal products such as RGB Led lamps, RGB Led tubes, building lamps, LED wall washers or lighting and other compatible devices allowing its user to create endless possibilities of light shows.
Feature function:
1. Input standard DMX512 protocol，Address can be set by the DIP.
2. Automatically adapt input voltage DC5V-24V.
3. 3 output channels, 256 scales each, RGB driving control.
4. 10 self-changing modes, 8-speed levels.
5. Max output 5A*3CH.
6. Power loss memory function.
Two different versions
3 DMX ADD Version:
The 1st address controls LEDs on CH1,0-255 steps of brightness.
The 2nd address controls LEDs on CH2,0-255 steps of brightness.
The 3rd address controls LEDs on CH3,0-255 steps of brightness.
4 DMX ADD Version:
The 1st address controls LEDs on CH1, 0-255 steps of brightness.
The 2nd address controls LEDs on CH2, 0-255 steps of brightness.
The 3rd address controls LEDs on CH3, 0-255 steps of brightness.
0-127 of the 4th address controls the brightness, 128-255 for strobing
Standards and Certifications
Specifications Download 
Model: BC-803
Input voltage: DC5V-24V
Max load current: 5A/CH×3
Output Power:75W(5V)/180W/360W(12V/24V)
Output Scale level: 256 levels
Input signal: DMX512/1990
Output signal: 3 constant voltage PWM
Output DMX Channel: 3Chs or 4Chs (4th CH is shutter strobe)
DMX512 socket: Standard XLR-3R,RJ45 port
Dimension: L125×W52×H40(mm)
Package Size: L140×W77×H47(mm)
Weight (G.W): 320g
NOTE: According to DMX512 protocol, in order to ensure a steady data transmission, you should add a metalster(Metal Thin Film resistor，90-120Ω 1/4 W )at the end of each layout of DMX data cable(between Foot 2 and Foot 3, Data + and Data -), please also refer to your DMX console manual to select a correct resistor.
Operating instructions
1) Decoder address setting
This decoder occupies 3 addresses, adopted Dip switch to set the address, the Dip switches from 1 to 9 are a kind of binary value coding switches used to set DMX512 initial address code, the correlative bits is the 1-9 bits of the DIP switch, the 1st bit is LSC, the 9th bit MSC , 512 addresses totally.
DMX512 initial address code is equal to the total amount of the Dip switches’ number from 1 to 9, press Dip switch downward (ON: at position “1”), user can get the number of its position, if pressing upward (at position “0”), the number of its position is 0. Accept DMX512 signal only when the DIP switch FUN＝OFF (at position “0”)
Kindly Reminder
1.Power Source Selection
Power source must be DC constant voltage type of power supply. Due to the efficient output in some power supplies are only 80% of total, so please select at least 20% higher output power supply than the consumption of LED lights.
Safety warnings
Please don’t install this controller in lightening, intense magnetic and high-voltage fields.
1.To reduce the risk of component damage and fire caused by short circuit, make sure correct connection.
2.Always be sure to mount this unit in an area that will allow proper ventilation to ensure a fitting temperature.
3.Check if the voltage and power adapter suit the controller
(please select DC12-24V power supply with constant voltage)
4.Don’t connect cables with power on; make sure a correct connection and no short circuit checked with instrument before power on.
5.Please don’t open controller cover and operate if problems occur.
The manual is only suitable for this model; any update is subject to change without prior notice.
These images were taken with Canon EOS 5D Mark IV and the studio light source is provided by Ra 98's full spectrum LED strip to realistically reproduce the colors of the item itself. All copyrights are created by the superlightingled team, please feel free to browse and download if you are a registered user!
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