1809 LED DMX SPI Decoder, Compatible with TM1803, TM1804, TM1809, TM1812, WS2811
Input voltage: DC5V～DC24V
Input signal: DMX512
Output signal: compatible with the driving IC such as TM1803, TM1804, TM1809, TM1812, UCS1903, UCS1909, UCS1912, UCS2903, UCS2909, UCS2912, WS2811
Decoder channels: 512 DMX CH/unit
Grey Scale: 256 levels/CH (8bit/CH)
DMX512 socket: XLR-3, Green terminal
Dimming range: 0~100%
working temperature: -30℃～65℃
Weight (G.W): 300g
This decoder can convert universal DMX512 signal into SPI signal, suitable for LED lights based on TM1803, TM1804, TM1809, TM1812, UCS1903, UCS1909, UCS1912, UCS2903, UCS2909, UCS2912, WS2811 driving IC.
How to set DMX address via dip switch:
When FUN=OFF, Decoder is DMX controlling mode, When FUN=ON, Decoder is self-test mode
1. Set DMX512 original address
TM1804, TM1809 and TM1812IC can choose high or low speed when used in LED design circuit. TM1803 only can choose low speed. Designed in low speed will get high PWM frequency and designed in high speed can control more LED lights. The high or low speed choosing of the decoder needs to match the light’s design gears. Otherwise the LED light can not work. The general LED lights are designed in lowspeed mainly.
1.This decoder adopts Dip switch to set the address. The Dip switches from 1 to 9 are a kind of binary value coding switches which used for setting DMX512 initial address code, The 1st is the lowest one, The 9th is the highest one. Can set 511 addresses totally.
2.DMX512 initial address is the total amount of the Dip switch 1-9, down dip switch to “ON” position, User can get its place value, Up dip switch to “OFF” position, Its place value is 0.
2. Testing function:
LED Lights conjunction diagram:
Note: When use DMX512 protocol, In order to ensure the accuracy and stability on signal transmission. Need to weld a minitype metal film terminal resistor with 90~120Ω 1/4 W between 2 and 3 base (signal positive and signal negative) of each channel DMX signal cable’s most end according to DMX512 protocol specification. The volume of the impedance should refer to the manual of DMX dimming console you are using.
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