Ltech LT-DMX-6803 Manual de usuario

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

LT-DMX-6803

DMX512 DECODER

User’s Manual

(Please read this manual carefully before use)

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

，Forward，

Thanks for choosing our LT-DMX-6803 Decoder. Before installation and

usage, we strongly recommend you to read through this manual carefully.

，After-Sales，

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 inappropriate power supply or abnormal

voltage.

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

circuit, incorrect connections and replacing chips.

4. Any damages due to transportation, breaking, flooding water after the

purchase.

5. Any damages caused by earthquake, fire, flood, lightning strike etc force

majeure of natural disasters.

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

temperature and humidity environment or near harmful chemicals.

7. Product has been updated.

，Safety warnings ，

1. Please don’t install this controller 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 controller (please select

DC5-24V power supply with constant voltage)

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 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.

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:

Input voltage

DC5V～DC24V

Input signal

DMX512/1990

Output signal

LPD6803/D705 data protocol

Decoder channel s

360/512 dmx channels

Grey Scale

256 levels

DMX512 socket:

Standard ×LR-3 connector

Dimension

L125×W52×H40mm

Package Size

L135×W70×H50mm

Weight (G.W)

300g

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

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

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.

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

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

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)

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

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

Ⅴ. Connects with LED pixel lights：

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

Ⅵ.Conjunction Diagram (LED lights are all with LPD6803/D705 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，90-120Ω 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

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

Appendix：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

Appendix：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

Appendix：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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