Ltech LT-DMX-6803 Manuel utilisateur

LT- DMX-6803 DMX512 Decoder User’s Manual Page 1 of 14

LT-DMX-6803

DMX512 DECODER

User’s Manual

(Kindly read through this manual carefully before use)

LT- DMX-6803 DMX512 Decoder User’s Manual Page 2 of 14

Forward

Thanks for choosing LT-DMX-6803 Decoder. Before installation and use, we

strongly recommend you to read through this manual carefully to avoid

unnecessary damage or extra cost.

，After-sales Service

From the day you purchase our products within a year, if being used properly in

accordance with the instruction, and quality problems occur, we provide free

repair or replacement services except the following cases:

1. Any defects caused by wrong operations..

2. Any damages caused by unauthorized removal, maintenance, modifying

circuit, incorrect connections and replacing chips.

3. Any damages due to transportation, vibration etc after the purchase.

4. Any damages caused by earthquake, fire, lightning strike, pollution and

abnormal voltage.

5. Any damages caused by negligence, inappropriate storing at high

temperature and humidity environment or near harmful chemicals.

6. Product has been updated.

Safety Warnings

To ensure a perfect product and safe using, pls do follow the instructions

and tips.

1. Please don’t install this decoder in lightening, intense magnetic and

high-voltage fields.

2. To reduce the risk of component damage and fire caused by short circuit,

make sure correct connection

3. Always be sure to mount this unit in an area that will allow proper ventilation

to ensure a fitting temperature.

4. Check if the voltage and power adapter suit the decoder & if anode or

cathode definition is the same as the controller’s.

5. Don’t connect cables with power on, make sure a correct connection and no

short circuit checked with instrument before power on.

6. Please don’t repair without permission if problems occur.

For update information, kindly please consult with your supplier.

LT- DMX-6803 DMX512 Decoder User’s Manual Page 3 of 14

Product Brief

LT-DMX-6803 DMX512 decoder is dedicated to run LED pixel lights with chip

LPD-6803 ，with the help of DMX decoder’s data conversion, all led pixel lights

with Chip LPD6803, Chip LPD-6803 outputs 3 CC channels, with built-in grey

scale processor, compatible with 32/256 grey scales, the data cable includes

only two cords, convenient for design and installation of LED lights. Chip 6803 is

widely used among LED pixel light, LED dreamy wall, LED pixel screen, SMD

strip, hi-power flood light and led wall washer etc.

Ⅰ. Specifications:

Working voltage DC5V～DC24V

Input signal DMX512/1990

Output signal LPD6803 specific protocol

DMX channel 360 Ch/unit

Output grey step Max 256 steps

DMX512 connector：standard 3-pin connector

Product dimension L125×W52×H40mm

Casing size L135×W70×H50mm

Weight(GW) 0.3kg

Ⅱ. Configuration Diagram:

DMX Input Terminal

LT- DMX-6803 DMX512 Decoder User’s Manual Page 4 of 14

6803 Data output terminal

Terminal definition：

Terminal Function

DC+ DC- DC5-24V power input

DATA Data cord

CLK Clock cord

NC No connection

GND Ground cord

Warning: the power cable can’t connect the data port, otherwise it will damage the

decoder!

Ⅲ. Address Setting

This decoder can decode 96 DMX addresses, adopted Dip switch to set the

address, the Dip switches from 1 to 9 are a kind of binary value coding switches,

the 1st bit is LSC, the 9th bit MSC, can set 511 addresses totally.

DMX512 initial address code is equal to the total amount of the Dip switches’

numbers from 1 to 9, press Dip switch downward (ON: at position “1”), you can

get the number of its position, if press upward (at position “0”), the value of its

position is 0.

Only when the DIP switch FUN(10)＝OFF(at position “0”), DMX512 signal is

accepted

LT- DMX-6803 DMX512 Decoder User’s Manual Page 5 of 14

Example 1: Set to 37

Set the 6th, 3rd, 1st bit of the DIP switch downward to “1”, others

to “0”(Figure 1), the total sum from 1 to 9 is 32+4+1, so the

DMX512 initial address code is 37.

Figure 1

Example 2:

Set DMX512 original address code as 385: Set the 9th, 8th, 1st bit of

the DIP switch downward to “1”, the rest to “0”(as Figure 2),

the total sum from 1 to 9 is 256+128+1, so the DMX512 original

address code is 385.

Figure 2

LT- DMX-6803 DMX512 Decoder User’s Manual Page 6 of 14

Ⅳ. Instructions on the testing function

The 10th DIP switch is FUN, acting as the function key.

FUN＝OFF works to receive DMX512 signals.

FUN＝ON works to test decoders as Figure 3:

SWITCH1－9 OFF：BLACK

SWITCH1 IS ON：RED

SWITCH2 IS ON: GREEN

SWITCH3 IS ON: BLUE

SWITCH4 IS ON: YELLOW

SWITCH5 IS ON: PURPLE

SWITCH6 IS ON: CYAN

SWITCH7 IS ON: WHITE

SWITCH8 IS ON: 7 CLOLOR JUMPING (8 speed steps)

SWITCH9 IS ON: 7 COLOR SMOOTH (8 speed steps)

Figure 3

See Figure 4, if multi dip switches are on, the function is subject to the last switch.

Figure 4

LT- DMX-6803 DMX512 Decoder User’s Manual Page 7 of 14

Ⅴ. Conjunction Diagram (LED lights are all with LPD6803 driving chips)

1．Connects with LED pixel lights：

2．Connects to LED Hi-power wall washer：

Acoording to DMX512 protocol, in order to ensure a steady data transmission,

you should add a metalster(Metal Thin Film resistor，90-120Ω1/4 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

LT- DMX-6803 DMX512 Decoder User’s Manual Page 8 of 14

DMX Address Setting Table

DIP SWITCH DMX ADDR DIP SWITCH DMX ADDR DIP SWITCH DMX ADDR

123456789 NUMBER 123456789 NUMBER 123456789 NUMBER

100000000 001 001110000 028 111011000 055

010000000 002 101110000 029 000111000 056

110000000 003 011110000 030 100111000 057

001000000 004 111110000 031 010111000 058

101000000 005 000001000 032 110111000 059

011000000 006 100001000 033 001111000 060

111000000 007 010001000 034 101111000 061

000100000 008 110001000 035 011111000 062

100100000 009 001001000 036 111111000 063

010100000 010 101001000 037 000000100 064

110100000 011 011001000 038 100000100 065

001100000 012 111001000 039 010000100 066

101100000 013 000101000 040 110000100 067

011100000 014 100101000 041 001000100 068

111100000 015 010101000 042 101000100 069

000010000 016 110101000 043 011000100 070

100010000 017 001101000 044 111000100 071

010010000 018 101101000 045 000100100 072

110010000 019 011101000 046 100100100 073

001010000 020 111101000 047 010100100 074

101010000 021 000011000 048 110100100 075

011010000 022 100011000 049 001100100 076

111010000 023 010011000 050 101100100 077

000110000 024 110011000 051 011100100 078

100110000 025 001011000 052 111100100 079

010110000 026 101011000 053 000010100 080

110110000 027 011011000 054 100010100 081

LT- DMX-6803 DMX512 Decoder User’s Manual Page 9 of 14

DMX Address Setting Table

DIP SWITCH DMX ADDR DIP SWITCH DMX ADDR DIP SWITCH DMX ADDR

123456789 NUMBER 123456789 NUMBER 123456789 NUMBER

010010100 082 101101100 109 000100010 136

110010100 083 011101100 110 100100010 137

001010100 084 111101100 111 010100010 138

101010100 085 000011100 112 110100010 139

011010100 086 100011100 113 001100010 140

111010100 087 010011100 114 101100010 141

000110100 088 110011100 115 011100010 142

100110100 089 001011100 116 111100010 143

010110100 090 101011100 117 000010010 144

110110100 091 011011100 118 100010010 145

001110100 092 111011100 119 010010010 146

101110100 093 000111100 120 110010010 147

011110100 094 100111100 121 001010010 148

111110100 095 010111100 122 101010010 149

000001100 096 110111100 123 011010010 150

100001100 097 001111100 124 111010010 151

010001100 098 101111100 125 000110010 152

110001100 099 011111100 126 100110010 153

001001100 100 111111100 127 010110010 154

101001100 101 000000010 128 110110010 155

011001100 102 100000010 129 001110010 156

111001100 103 010000010 130 101110010 157

000101100 104 110000010 131 011110010 158

100101100 105 001000010 132 111110010 159

010101100 106 101000010 133 000001010 160

110101100 107 011000010 134 100001010 161

001101100 108 111000010 135 010001010 162

LT- DMX-6803 DMX512 Decoder User’s Manual Page 10 of 14

DMX Address Setting Table

DIP SWITCH DMX ADDR DIP SWITCH DMX ADDR DIP SWITCH DMX ADDR

123456789 NUMBER 123456789 NUMBER 123456789 NUMBER

110001010 163 011111010 190 100110110 217

001001010 164 111111010 191 010110110 218

101001010 165 000000110 192 110110110 219

011001010 166 100000110 193 001110110 220

111001010 167 010000110 194 101110110 221

000101010 168 110000110 195 011110110 222

100101010 169 001000110 196 111110110 223

010101010 170 101000110 197 000001110 224

110101010 171 011000110 198 100001110 225

001101010 172 111000110 199 010001110 226

101101010 173 000100110 200 110001110 227

011101010 174 100100110 201 001001110 228

111101010 175 010100110 202 101001110 229

000011010 176 110100110 203 011001110 230

100011010 177 001100110 204 111001110 231

010011010 178 101100110 205 000101110 232

110011010 179 011100110 206 100101110 233

001011010 180 111100110 207 010101110 234

101011010 181 000010110 208 110101110 235

011011010 182 100010110 209 001101110 236

111011010 183 010010110 210 101101110 237

000111010 184 110010110 211 011101110 238

100111010 185 001010110 212 111101110 239

010111010 186 101010110 213 000011110 240

110111010 187 011010110 214 100011110 241

001111010 188 111010110 215 010011110 242

101111010 189 000110110 216 110011110 243

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