LTECH DMX-SPI Signal Decoder LT-DMX-1809 User Manual
- June 6, 2024
- LTECH
Table of Contents
LT-DMX-1809 DMX-SPI Signal Decoder
LT-DMX-1809 converts the universal standard DMX512 signal into SPI(TTL) digital signal to drive LEDs with compatible driving IC, it could control every channel of the LED lights, realize 0~100% dimming or edit all sorts of changing effects.
DMX-SPI decoders are widely used in LED flashing word string light, LED dot light, SMD strip, LED digital tubes, LED wall light, LED pixel screen, Hi- power spotlight, flood light, etc.
Product Parameter:
| Input Signal: | DMX512 | Dimming Range: | 0~100% |
|---|---|---|---|
| Input Voltage: | 5~24Vdc | Working Temperature: | -30℃~65℃ |
| Output Signal: | SPI | Dimensions: | L125×W64×H40(mm) |
| Decoding Channels: | 512 Channels/Unit | Package Size: | L135×W70×H50(mm) |
| DMX512 Socket: | 3-pin XLR, Green Terminal | Weight (G.W.): | 300g |
Compatible with WS2811/WS2812/WS2812B,
UCS1903/UCS1909/UCS1912/UCS2903/UCS2909/UCS2912 TM1803/ TM1804/TM1809/1812/
GS8206(BGR)/SM16703
driving IC.
Note: grey level from best or worst depending on the IC types, it is
nothing with the LT-DMX-1809 decoder performance.
Configuration Diagram:
Output Port Definition:
| No. | port | Function | |
|---|---|---|---|
| 1 | Power Supply | ||
| Input Port | DC+ | 5-24Vdc LED power supply input |
DC-
2| Output Port
Connect LED| DC+| LED power supply output anode
DATA| Data cable
CLK| Clock cable IN/Al
GND| Ground cable IDC-)
Dip Switch Operation:
4.1 How to set DMX address via dip switch:
FUN=OFF (the 10th dip switch=OFF ) DMX Mode
The Decoder enters into DMX control mode automatically when receiving the DMX signal. Like figure upward: FUN=OFF is high speed(upward), FUN=ON is low speed (downward)
- The driving chip of this decoder has options for high and low speed(800K/400K), please choose the suitable speed according to the design of your LED lights, in most cases, it is high speed.
- DMX address value = the total value of (1-9), to get the place value when in “on” position, otherwise will be 0.
4.2 Self-testing Mode:
When no DMX signal, Self-testing Mode
| Dip Switch, | 1-9=off | 1 =on | 2=on | 3=on | 4=on | 5=on | 6=on | 7=on | 8=on | 9=on |
|---|
Self-test
Function| Static
Black| Static
Red| Static
Green| Static
Blue| Static
Yellow| Static
Purple| Static
Cyan| Static
White| 7 Colors
Jumping| 7 Colors
Smooth
For changing effects (Dip Switch 8 9=ON):/ DIP switch 1-7 is used to realize 7-speed levels. (7=ON, the fastest level)
[Attn] When several dip switches are ON, subjected to the highest switch value. As the figure above shows, the effect will be 7 colors smooth at a 7-speed level.
Wiring Diagram:
5.1 LED pixel strip wiring diagram.
A. Conventional connection method.
B. Special connection method – light fixtures and controller using different operating voltages.
5.2 DMX wiring diagram.
- An amplifier is needed when more than 32 decoders are connected, signal amplification should not be more than 5 times continuously.
Attention:
6.1 The product shall be installed and serviced by a qualified person.
6.2 This product is non-waterproof. Please avoid the sun and rain. When
installed outdoors please ensure it is mounted in a waterproof enclosure.
6.3 Good heat dissipation will prolong the working life of the controller.
Please ensure good ventilation.
6.4 Please check if the output voltage of the LED power supply used comply
with the working voltage of the product.
6.5 Please ensure that adequate sized cable is used from the controller to the
LED lights to carry the current. Please also ensure that the cable is secured
tightly in the connector.
6.6 Ensure all wire connections and polarities are correct before applying
power to avoid any damages to the LED lights.
6.7 If a fault occurs, please return the product to your supplier. Do not
attempt to fix this product by yourself.
Warranty Agreement:
7.1 We provide lifelong technical assistance with this product:
-
A 5-year warranty is given from the date of purchase. The warranty is for free repair or replacement if covers manufacturing faults only.
-
For faults beyond the 5-year warranty, we reserve the right to charge for time and parts.
7.2 Warranty exclusions below: -
Any man-made damages caused from improper operation, or connecting to excess voltage and overloading.
-
The product appears to have excessive physical damage.
-
Damage due to natural disasters and force majeure.
-
warranty label, fragile label, and unique barcode label have been damaged.
-
The product has been replaced by a brand new product.
7.3 Repair or replacement as provided under this warranty is the exclusive remedy to the customer. We shall not be liable for any incidental or consequential damages for breach of any stipulation in this warranty.
7.4 Any amendment or adjustment to this warranty must be approved in writing by our company only.
★This manual only applies to this model. We reserve the right to make changes without prior notice.
LT-DMX-1809 DMX-SPI Signal Decoder
Update Time: 2020.05.22_A3